./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/triangular-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/triangular-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 364d2e82c4effeb8ecaceffcae090ef10763971d ......................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/triangular-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 364d2e82c4effeb8ecaceffcae090ef10763971d ........................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:52:27,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:52:27,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:52:27,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:52:27,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:52:27,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:52:27,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:52:27,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:52:27,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:52:27,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:52:27,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:52:27,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:52:27,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:52:27,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:52:27,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:52:27,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:52:27,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:52:27,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:52:27,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:52:27,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:52:27,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:52:27,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:52:27,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:52:27,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:52:27,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:52:27,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:52:27,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:52:27,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:52:27,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:52:27,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:52:27,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:52:27,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:52:27,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:52:27,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:52:27,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:52:27,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:52:27,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:52:27,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:52:27,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:52:27,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:52:27,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:52:27,469 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:52:27,505 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:52:27,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:52:27,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:52:27,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:52:27,509 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:52:27,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:52:27,510 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:52:27,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:52:27,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:52:27,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:52:27,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:52:27,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:52:27,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:52:27,513 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:52:27,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:52:27,514 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:52:27,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:52:27,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:52:27,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:52:27,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:52:27,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:52:27,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:52:27,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:52:27,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:52:27,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:52:27,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:52:27,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:52:27,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:52:27,518 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 364d2e82c4effeb8ecaceffcae090ef10763971d [2019-11-28 00:52:27,804 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:52:27,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:52:27,831 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:52:27,832 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:52:27,833 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:52:27,835 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/triangular-1.i [2019-11-28 00:52:27,903 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/803634068/d489fcee5471408b8ac0e3bd267be3dd/FLAG438d0e118 [2019-11-28 00:52:28,422 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:52:28,423 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/triangular-1.i [2019-11-28 00:52:28,440 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/803634068/d489fcee5471408b8ac0e3bd267be3dd/FLAG438d0e118 [2019-11-28 00:52:28,744 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/803634068/d489fcee5471408b8ac0e3bd267be3dd [2019-11-28 00:52:28,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:52:28,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:52:28,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:28,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:52:28,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:52:28,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:28" (1/1) ... [2019-11-28 00:52:28,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e77c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:28, skipping insertion in model container [2019-11-28 00:52:28,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:28" (1/1) ... [2019-11-28 00:52:28,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:52:28,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:52:29,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:29,301 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:52:29,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:29,448 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:52:29,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:29 WrapperNode [2019-11-28 00:52:29,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:29,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:29,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:52:29,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:52:29,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:29" (1/1) ... [2019-11-28 00:52:29,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:29" (1/1) ... [2019-11-28 00:52:29,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:29,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:52:29,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:52:29,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:52:29,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:29" (1/1) ... [2019-11-28 00:52:29,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:29" (1/1) ... [2019-11-28 00:52:29,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:29" (1/1) ... [2019-11-28 00:52:29,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:29" (1/1) ... [2019-11-28 00:52:29,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:29" (1/1) ... [2019-11-28 00:52:29,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:29" (1/1) ... [2019-11-28 00:52:29,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:29" (1/1) ... [2019-11-28 00:52:29,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:52:29,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:52:29,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:52:29,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:52:29,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:52:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2019-11-28 00:52:29,593 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2019-11-28 00:52:29,593 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2019-11-28 00:52:29,593 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2019-11-28 00:52:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:52:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:52:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:52:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:52:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:52:29,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:52:29,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:52:29,596 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 00:52:29,902 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:52:29,910 INFO L168 Benchmark]: Toolchain (without parser) took 1157.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -114.1 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:29,911 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:52:29,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:29,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:29,913 INFO L168 Benchmark]: Boogie Preprocessor took 35.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:52:29,914 INFO L168 Benchmark]: RCFGBuilder took 372.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:29,921 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 698.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 372.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:52:31,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:52:31,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:52:31,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:52:31,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:52:31,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:52:31,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:52:31,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:52:31,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:52:31,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:52:31,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:52:31,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:52:31,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:52:31,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:52:31,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:52:31,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:52:31,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:52:31,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:52:31,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:52:31,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:52:31,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:52:31,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:52:31,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:52:31,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:52:31,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:52:31,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:52:31,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:52:31,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:52:31,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:52:31,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:52:31,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:52:31,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:52:31,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:52:31,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:52:31,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:52:31,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:52:31,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:52:31,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:52:31,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:52:31,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:52:31,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:52:31,936 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:52:31,974 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:52:31,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:52:31,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:52:31,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:52:31,979 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:52:31,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:52:31,980 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:52:31,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:52:31,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:52:31,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:52:31,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:52:31,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:52:31,984 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:52:31,984 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:52:31,984 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:52:31,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:52:31,985 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:52:31,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:52:31,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:52:31,986 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:52:31,986 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:52:31,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:52:31,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:52:31,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:52:31,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:52:31,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:52:31,989 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:52:31,989 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:52:31,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:52:31,990 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:52:31,990 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 364d2e82c4effeb8ecaceffcae090ef10763971d [2019-11-28 00:52:32,298 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:52:32,319 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:52:32,323 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:52:32,325 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:52:32,326 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:52:32,327 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/triangular-1.i [2019-11-28 00:52:32,390 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fa71941c/e41b04cb70e2483ebff0e96eb1dda43c/FLAGa006dce9a [2019-11-28 00:52:32,872 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:52:32,873 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/triangular-1.i [2019-11-28 00:52:32,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fa71941c/e41b04cb70e2483ebff0e96eb1dda43c/FLAGa006dce9a [2019-11-28 00:52:33,227 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fa71941c/e41b04cb70e2483ebff0e96eb1dda43c [2019-11-28 00:52:33,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:52:33,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:52:33,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:33,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:52:33,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:52:33,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:33" (1/1) ... [2019-11-28 00:52:33,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ccbaef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:33, skipping insertion in model container [2019-11-28 00:52:33,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:33" (1/1) ... [2019-11-28 00:52:33,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:52:33,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:52:33,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:33,773 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:52:33,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:33,923 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:52:33,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:33 WrapperNode [2019-11-28 00:52:33,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:33,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:33,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:52:33,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:52:33,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:33" (1/1) ... [2019-11-28 00:52:33,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:33" (1/1) ... [2019-11-28 00:52:33,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:33,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:52:33,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:52:33,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:52:33,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:33" (1/1) ... [2019-11-28 00:52:33,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:33" (1/1) ... [2019-11-28 00:52:33,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:33" (1/1) ... [2019-11-28 00:52:33,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:33" (1/1) ... [2019-11-28 00:52:33,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:33" (1/1) ... [2019-11-28 00:52:34,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:33" (1/1) ... [2019-11-28 00:52:34,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:33" (1/1) ... [2019-11-28 00:52:34,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:52:34,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:52:34,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:52:34,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:52:34,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:52:34,061 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2019-11-28 00:52:34,061 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2019-11-28 00:52:34,061 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2019-11-28 00:52:34,061 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2019-11-28 00:52:34,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:52:34,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:52:34,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:52:34,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:52:34,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:52:34,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:52:34,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:52:34,064 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 00:52:34,405 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:52:34,410 INFO L168 Benchmark]: Toolchain (without parser) took 1177.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -119.0 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:34,411 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:52:34,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -143.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:34,413 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:52:34,413 INFO L168 Benchmark]: Boogie Preprocessor took 32.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:52:34,414 INFO L168 Benchmark]: RCFGBuilder took 399.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:34,417 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 692.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -143.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 399.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...