/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 07:21:12,435 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-13 07:21:12,437 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-13 07:21:12,449 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-13 07:21:12,449 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-13 07:21:12,450 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-13 07:21:12,451 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-13 07:21:12,452 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-13 07:21:12,454 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-13 07:21:12,455 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-13 07:21:12,455 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-13 07:21:12,456 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-13 07:21:12,457 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-13 07:21:12,457 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-13 07:21:12,458 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-13 07:21:12,459 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-13 07:21:12,460 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-13 07:21:12,461 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-13 07:21:12,463 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-13 07:21:12,464 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-13 07:21:12,465 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-13 07:21:12,466 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-13 07:21:12,469 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-13 07:21:12,474 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-13 07:21:12,474 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-13 07:21:12,475 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-13 07:21:12,476 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-13 07:21:12,476 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2018-07-13 07:21:12,490 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-13 07:21:12,491 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-13 07:21:12,492 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-13 07:21:12,492 INFO L133 SettingsManager]: * Rewrite not-equals=true [2018-07-13 07:21:12,492 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-13 07:21:12,492 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2018-07-13 07:21:12,493 INFO L133 SettingsManager]: * Use SBE=true [2018-07-13 07:21:12,493 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-07-13 07:21:12,493 INFO L133 SettingsManager]: * Use old map elimination=false [2018-07-13 07:21:12,493 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-07-13 07:21:12,494 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2018-07-13 07:21:12,494 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-07-13 07:21:12,494 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-07-13 07:21:12,494 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2018-07-13 07:21:12,494 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2018-07-13 07:21:12,495 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-13 07:21:12,495 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-07-13 07:21:12,495 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-13 07:21:12,495 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-13 07:21:12,495 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-07-13 07:21:12,496 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2018-07-13 07:21:12,496 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-13 07:21:12,496 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-13 07:21:12,496 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-07-13 07:21:12,496 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2018-07-13 07:21:12,497 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-13 07:21:12,497 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-13 07:21:12,497 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-13 07:21:12,497 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-13 07:21:12,524 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-13 07:21:12,538 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-13 07:21:12,542 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-07-13 07:21:12,543 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-13 07:21:12,544 INFO L276 PluginConnector]: CDTParser initialized [2018-07-13 07:21:12,545 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c !SESSION 2018-07-13 07:21:10.202 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_144 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp/BenchExec_run__Mf1Gh/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.cdt.core 1 0 2018-07-13 07:21:12.859 !MESSAGE Indexed 'FLAG16b390c4f' (0 sources, 0 headers) in 0.003 sec: 0 declarations; 0 references; 0 unresolved inclusions; 0 syntax errors; 0 unresolved names (0%) [2018-07-13 07:21:12,884 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run__Mf1Gh/tmp/2613ab47990d4f189f6857206d82441b/FLAG16b390c4f [2018-07-13 07:21:13,104 INFO L276 CDTParser]: Found 1 translation units. [2018-07-13 07:21:13,105 INFO L158 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2018-07-13 07:21:13,125 INFO L324 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/BenchExec_run__Mf1Gh/tmp/2613ab47990d4f189f6857206d82441b/FLAG16b390c4f [2018-07-13 07:21:13,158 INFO L332 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/BenchExec_run__Mf1Gh/tmp/2613ab47990d4f189f6857206d82441b [2018-07-13 07:21:13,169 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-13 07:21:13,170 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2018-07-13 07:21:13,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-13 07:21:13,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-13 07:21:13,178 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-13 07:21:13,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 07:21:13" (1/1) ... [2018-07-13 07:21:13,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d088b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:21:13, skipping insertion in model container [2018-07-13 07:21:13,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 07:21:13" (1/1) ... [2018-07-13 07:21:13,370 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-13 07:21:13,481 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-13 07:21:13,573 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-13 07:21:13,626 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-13 07:21:13,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:21:13 WrapperNode [2018-07-13 07:21:13,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-13 07:21:13,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-13 07:21:13,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-13 07:21:13,735 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-13 07:21:13,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:21:13" (1/1) ... [2018-07-13 07:21:13,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:21:13" (1/1) ... [2018-07-13 07:21:13,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-13 07:21:13,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-13 07:21:13,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-13 07:21:13,817 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-13 07:21:13,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:21:13" (1/1) ... [2018-07-13 07:21:13,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:21:13" (1/1) ... [2018-07-13 07:21:13,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:21:13" (1/1) ... [2018-07-13 07:21:13,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:21:13" (1/1) ... [2018-07-13 07:21:13,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:21:13" (1/1) ... [2018-07-13 07:21:13,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:21:13" (1/1) ... [2018-07-13 07:21:13,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:21:13" (1/1) ... [2018-07-13 07:21:13,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-13 07:21:13,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-13 07:21:13,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-13 07:21:13,899 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-13 07:21:13,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:21:13" (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) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2018-07-13 07:21:13,934 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 07:21:13,938 INFO L168 Benchmark]: Toolchain (without parser) took 768.59 ms. Allocated memory was 649.6 MB in the beginning and 697.3 MB in the end (delta: 47.7 MB). Free memory was 563.0 MB in the beginning and 586.1 MB in the end (delta: -23.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 50.3 GB. [2018-07-13 07:21:13,940 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 649.6 MB. Free memory is still 586.6 MB. There was no memory consumed. Max. memory is 50.3 GB. [2018-07-13 07:21:13,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 562.56 ms. Allocated memory was 649.6 MB in the beginning and 697.3 MB in the end (delta: 47.7 MB). Free memory was 563.0 MB in the beginning and 609.9 MB in the end (delta: -46.9 MB). Peak memory consumption was 46.0 MB. Max. memory is 50.3 GB. [2018-07-13 07:21:13,941 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.38 ms. Allocated memory is still 697.3 MB. Free memory was 609.9 MB in the beginning and 601.9 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. [2018-07-13 07:21:13,942 INFO L168 Benchmark]: Boogie Preprocessor took 81.11 ms. Allocated memory is still 697.3 MB. Free memory was 601.9 MB in the beginning and 593.7 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. [2018-07-13 07:21:13,943 INFO L168 Benchmark]: RCFGBuilder took 38.66 ms. Allocated memory is still 697.3 MB. Free memory was 593.7 MB in the beginning and 586.1 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 50.3 GB. [2018-07-13 07:21:13,946 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 649.6 MB. Free memory is still 586.6 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 562.56 ms. Allocated memory was 649.6 MB in the beginning and 697.3 MB in the end (delta: 47.7 MB). Free memory was 563.0 MB in the beginning and 609.9 MB in the end (delta: -46.9 MB). Peak memory consumption was 46.0 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 82.38 ms. Allocated memory is still 697.3 MB. Free memory was 609.9 MB in the beginning and 601.9 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 81.11 ms. Allocated memory is still 697.3 MB. Free memory was 601.9 MB in the beginning and 593.7 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 50.3 GB. * RCFGBuilder took 38.66 ms. Allocated memory is still 697.3 MB. Free memory was 593.7 MB in the beginning and 586.1 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 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 07:21:13.971 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check