/export/starexec/sandbox/solver/bin/starexec_run_default /export/starexec/sandbox/benchmark/theBenchmark.c /export/starexec/sandbox/output/output_files -------------------------------------------------------------------------------- This is Ultimate 0.1.23-873feed-m [2018-07-13 07:31:28,236 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-13 07:31:28,238 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-13 07:31:28,249 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-13 07:31:28,249 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-13 07:31:28,250 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-13 07:31:28,251 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-13 07:31:28,253 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-13 07:31:28,254 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-13 07:31:28,255 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-13 07:31:28,256 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-13 07:31:28,256 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-13 07:31:28,257 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-13 07:31:28,258 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-13 07:31:28,259 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-13 07:31:28,259 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-13 07:31:28,260 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-13 07:31:28,262 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-13 07:31:28,264 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-13 07:31:28,265 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-13 07:31:28,266 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-13 07:31:28,268 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-13 07:31:28,270 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-13 07:31:28,275 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-13 07:31:28,275 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-13 07:31:28,276 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-13 07:31:28,277 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-13 07:31:28,277 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2018-07-13 07:31:28,291 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-13 07:31:28,292 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-13 07:31:28,293 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-13 07:31:28,293 INFO L133 SettingsManager]: * Rewrite not-equals=true [2018-07-13 07:31:28,293 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-13 07:31:28,293 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2018-07-13 07:31:28,293 INFO L133 SettingsManager]: * Use SBE=true [2018-07-13 07:31:28,294 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-07-13 07:31:28,294 INFO L133 SettingsManager]: * Use old map elimination=false [2018-07-13 07:31:28,294 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-07-13 07:31:28,294 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2018-07-13 07:31:28,294 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-07-13 07:31:28,295 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-07-13 07:31:28,295 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2018-07-13 07:31:28,295 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2018-07-13 07:31:28,295 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-13 07:31:28,295 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-07-13 07:31:28,295 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-13 07:31:28,296 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-13 07:31:28,296 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-07-13 07:31:28,296 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2018-07-13 07:31:28,296 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-13 07:31:28,296 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-13 07:31:28,297 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-07-13 07:31:28,297 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2018-07-13 07:31:28,297 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-13 07:31:28,297 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-13 07:31:28,297 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-13 07:31:28,297 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-13 07:31:28,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-13 07:31:28,337 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-13 07:31:28,341 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-07-13 07:31:28,342 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-13 07:31:28,343 INFO L276 PluginConnector]: CDTParser initialized [2018-07-13 07:31:28,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2018-07-13 07:31:28,671 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_y0nuYk/tmp/0699636ff02148afafef9e60aa6d2753/FLAG92021af96 !SESSION 2018-07-13 07:31:26.044 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_144 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp/BenchExec_run_y0nuYk/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.cdt.core 1 0 2018-07-13 07:31:28.697 !MESSAGE Indexed 'FLAG92021af96' (0 sources, 0 headers) in 0.002 sec: 0 declarations; 0 references; 0 unresolved inclusions; 0 syntax errors; 0 unresolved names (0%) [2018-07-13 07:31:28,795 INFO L276 CDTParser]: Found 1 translation units. [2018-07-13 07:31:28,795 INFO L158 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2018-07-13 07:31:28,802 INFO L324 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run_y0nuYk/tmp/0699636ff02148afafef9e60aa6d2753/FLAG92021af96 [2018-07-13 07:31:28,834 INFO L332 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run_y0nuYk/tmp/0699636ff02148afafef9e60aa6d2753 [2018-07-13 07:31:28,845 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-13 07:31:28,846 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2018-07-13 07:31:28,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-13 07:31:28,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-13 07:31:28,854 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-13 07:31:28,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 07:31:28" (1/1) ... [2018-07-13 07:31:28,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f45ea9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:31:28, skipping insertion in model container [2018-07-13 07:31:28,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 07:31:28" (1/1) ... [2018-07-13 07:31:28,999 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-13 07:31:29,028 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-13 07:31:29,042 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-13 07:31:29,045 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-13 07:31:29,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:31:29 WrapperNode [2018-07-13 07:31:29,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-13 07:31:29,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-13 07:31:29,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-13 07:31:29,057 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-13 07:31:29,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:31:29" (1/1) ... [2018-07-13 07:31:29,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:31:29" (1/1) ... [2018-07-13 07:31:29,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-13 07:31:29,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-13 07:31:29,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-13 07:31:29,087 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-13 07:31:29,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:31:29" (1/1) ... [2018-07-13 07:31:29,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:31:29" (1/1) ... [2018-07-13 07:31:29,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:31:29" (1/1) ... [2018-07-13 07:31:29,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:31:29" (1/1) ... [2018-07-13 07:31:29,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:31:29" (1/1) ... [2018-07-13 07:31:29,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:31:29" (1/1) ... [2018-07-13 07:31:29,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:31:29" (1/1) ... [2018-07-13 07:31:29,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-13 07:31:29,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-13 07:31:29,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-13 07:31:29,106 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-13 07:31:29,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:31:29" (1/1) ... No working directory specified, using /export/starexec/sandbox/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) [2018-07-13 07:31:29,194 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.createProcess(Executor.java:110) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.(Executor.java:86) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.(Scriptor.java:74) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SolverBuilder.createExternalSolver(SolverBuilder.java:137) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SolverBuilder.buildScript(SolverBuilder.java:170) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.SolverBuilder.buildAndInitializeSolver(SolverBuilder.java:261) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.constructAndInitializeSolver(CfgBuilder.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.(CfgBuilder.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.io.IOException: Stream closed at java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:433) at java.io.OutputStream.write(OutputStream.java:116) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:297) at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141) at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229) at java.io.BufferedWriter.flush(BufferedWriter.java:254) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:120) ... 23 more [2018-07-13 07:31:29,199 INFO L168 Benchmark]: Toolchain (without parser) took 353.66 ms. Allocated memory was 649.6 MB in the beginning and 662.2 MB in the end (delta: 12.6 MB). Free memory was 571.1 MB in the beginning and 624.9 MB in the end (delta: -53.8 MB). Peak memory consumption was 33.9 MB. Max. memory is 50.3 GB. [2018-07-13 07:31:29,201 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 649.6 MB. Free memory is still 600.9 MB. There was no memory consumed. Max. memory is 50.3 GB. Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2018-07-13 07:31:29,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.96 ms. Allocated memory is still 649.6 MB. Free memory was 571.1 MB in the beginning and 561.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. [2018-07-13 07:31:29,203 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.47 ms. Allocated memory is still 649.6 MB. Free memory was 561.7 MB in the beginning and 560.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2018-07-13 07:31:29,204 INFO L168 Benchmark]: Boogie Preprocessor took 18.03 ms. Allocated memory is still 649.6 MB. Free memory was 560.3 MB in the beginning and 559.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2018-07-13 07:31:29,205 INFO L168 Benchmark]: RCFGBuilder took 92.68 ms. Allocated memory was 649.6 MB in the beginning and 662.2 MB in the end (delta: 12.6 MB). Free memory was 559.0 MB in the beginning and 624.9 MB in the end (delta: -65.9 MB). Peak memory consumption was 21.8 MB. Max. memory is 50.3 GB. [2018-07-13 07:31:29,208 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 649.6 MB. Free memory is still 600.9 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 208.96 ms. Allocated memory is still 649.6 MB. Free memory was 571.1 MB in the beginning and 561.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 30.47 ms. Allocated memory is still 649.6 MB. Free memory was 561.7 MB in the beginning and 560.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.03 ms. Allocated memory is still 649.6 MB. Free memory was 560.3 MB in the beginning and 559.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 92.68 ms. Allocated memory was 649.6 MB in the beginning and 662.2 MB in the end (delta: 12.6 MB). Free memory was 559.0 MB in the beginning and 624.9 MB in the end (delta: -65.9 MB). Peak memory consumption was 21.8 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. !ENTRY org.eclipse.core.resources 2 10035 2018-07-13 07:31:29.233 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check