./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-races/race-1_1-join.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/ldv-races/race-1_1-join.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 3cd35ce33d4b035fe378e7f17ce504e953f9db6a ......................................................................................................................................................................................... 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/ldv-races/race-1_1-join.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 3cd35ce33d4b035fe378e7f17ce504e953f9db6a ........................................................................................................................................................................................... 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 01:04:46,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:04:46,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:04:46,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:04:46,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:04:46,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:04:46,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:04:46,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:04:46,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:04:46,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:04:46,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:04:46,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:04:46,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:04:46,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:04:46,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:04:46,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:04:46,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:04:46,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:04:46,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:04:46,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:04:46,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:04:46,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:04:46,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:04:46,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:04:46,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:04:46,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:04:46,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:04:46,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:04:46,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:04:46,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:04:46,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:04:46,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:04:46,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:04:46,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:04:46,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:04:46,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:04:46,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:04:46,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:04:46,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:04:46,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:04:46,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:04:46,765 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:04:46,801 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:04:46,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:04:46,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:04:46,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:04:46,803 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:04:46,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:04:46,806 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:04:46,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:04:46,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:04:46,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:04:46,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:04:46,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:04:46,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:04:46,809 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:04:46,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:04:46,810 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:04:46,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:04:46,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:04:46,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:04:46,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:04:46,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:04:46,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:04:46,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:04:46,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:04:46,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:04:46,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:04:46,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:04:46,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:04:46,818 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 -> 3cd35ce33d4b035fe378e7f17ce504e953f9db6a [2019-11-28 01:04:47,135 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:04:47,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:04:47,158 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:04:47,160 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:04:47,160 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:04:47,161 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-1_1-join.i [2019-11-28 01:04:47,230 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/059c3d916/3b9533762c484f339607af47a3f57a41/FLAGfe01af832 [2019-11-28 01:04:47,856 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:04:47,856 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_1-join.i [2019-11-28 01:04:47,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/059c3d916/3b9533762c484f339607af47a3f57a41/FLAGfe01af832 [2019-11-28 01:04:48,068 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/059c3d916/3b9533762c484f339607af47a3f57a41 [2019-11-28 01:04:48,071 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:04:48,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:04:48,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:48,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:04:48,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:04:48,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:48" (1/1) ... [2019-11-28 01:04:48,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16abc7cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:48, skipping insertion in model container [2019-11-28 01:04:48,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:48" (1/1) ... [2019-11-28 01:04:48,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:04:48,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:04:48,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:48,927 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:04:49,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:49,481 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:04:49,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:49 WrapperNode [2019-11-28 01:04:49,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:49,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:49,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:04:49,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:04:49,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:49" (1/1) ... [2019-11-28 01:04:49,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:49" (1/1) ... [2019-11-28 01:04:49,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:49,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:04:49,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:04:49,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:04:49,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:49" (1/1) ... [2019-11-28 01:04:49,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:49" (1/1) ... [2019-11-28 01:04:49,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:49" (1/1) ... [2019-11-28 01:04:49,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:49" (1/1) ... [2019-11-28 01:04:49,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:49" (1/1) ... [2019-11-28 01:04:49,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:49" (1/1) ... [2019-11-28 01:04:49,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:49" (1/1) ... [2019-11-28 01:04:49,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:04:49,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:04:49,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:04:49,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:04:49,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:49" (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 01:04:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:04:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 01:04:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 01:04:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 01:04:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:04:49,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:04:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:04:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-11-28 01:04:49,717 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-11-28 01:04:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:04:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 01:04:49,719 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 01:04:50,365 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:04:50,371 INFO L168 Benchmark]: Toolchain (without parser) took 2297.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 948.1 MB in the beginning and 944.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 139.4 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:50,372 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:04:50,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1409.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 948.1 MB in the beginning and 989.1 MB in the end (delta: -40.9 MB). Peak memory consumption was 105.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:50,374 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.00 ms. Allocated memory is still 1.2 GB. Free memory is still 989.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:04:50,375 INFO L168 Benchmark]: Boogie Preprocessor took 72.30 ms. Allocated memory is still 1.2 GB. Free memory is still 989.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:04:50,376 INFO L168 Benchmark]: RCFGBuilder took 722.79 ms. Allocated memory is still 1.2 GB. Free memory was 989.1 MB in the beginning and 944.0 MB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:50,379 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 1409.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 948.1 MB in the beginning and 989.1 MB in the end (delta: -40.9 MB). Peak memory consumption was 105.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.00 ms. Allocated memory is still 1.2 GB. Free memory is still 989.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 72.30 ms. Allocated memory is still 1.2 GB. Free memory is still 989.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 722.79 ms. Allocated memory is still 1.2 GB. Free memory was 989.1 MB in the beginning and 944.0 MB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 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 01:04:52,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:04:52,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:04:52,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:04:52,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:04:52,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:04:52,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:04:52,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:04:52,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:04:52,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:04:52,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:04:52,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:04:52,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:04:52,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:04:52,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:04:52,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:04:52,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:04:52,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:04:52,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:04:52,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:04:52,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:04:52,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:04:52,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:04:52,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:04:52,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:04:52,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:04:52,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:04:52,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:04:52,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:04:52,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:04:52,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:04:52,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:04:52,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:04:52,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:04:52,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:04:52,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:04:52,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:04:52,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:04:52,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:04:52,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:04:52,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:04:52,502 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:04:52,522 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:04:52,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:04:52,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:04:52,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:04:52,527 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:04:52,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:04:52,528 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:04:52,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:04:52,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:04:52,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:04:52,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:04:52,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:04:52,531 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:04:52,531 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:04:52,531 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:04:52,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:04:52,532 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:04:52,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:04:52,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:04:52,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:04:52,533 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:04:52,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:04:52,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:04:52,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:04:52,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:04:52,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:04:52,535 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:04:52,535 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:04:52,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:04:52,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:04:52,536 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 -> 3cd35ce33d4b035fe378e7f17ce504e953f9db6a [2019-11-28 01:04:52,829 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:04:52,846 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:04:52,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:04:52,853 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:04:52,853 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:04:52,855 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-1_1-join.i [2019-11-28 01:04:52,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b22902e9/5a5ab8a83f4e42d5b38028034cec6743/FLAG7f7110a00 [2019-11-28 01:04:53,611 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:04:53,612 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_1-join.i [2019-11-28 01:04:53,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b22902e9/5a5ab8a83f4e42d5b38028034cec6743/FLAG7f7110a00 [2019-11-28 01:04:53,837 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b22902e9/5a5ab8a83f4e42d5b38028034cec6743 [2019-11-28 01:04:53,841 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:04:53,842 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:04:53,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:53,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:04:53,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:04:53,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:53" (1/1) ... [2019-11-28 01:04:53,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a89df04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:53, skipping insertion in model container [2019-11-28 01:04:53,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:53" (1/1) ... [2019-11-28 01:04:53,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:04:53,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:04:54,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:54,751 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:04:54,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:55,355 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:04:55,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:55 WrapperNode [2019-11-28 01:04:55,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:55,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:55,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:04:55,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:04:55,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:55" (1/1) ... [2019-11-28 01:04:55,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:55" (1/1) ... [2019-11-28 01:04:55,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:55,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:04:55,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:04:55,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:04:55,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:55" (1/1) ... [2019-11-28 01:04:55,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:55" (1/1) ... [2019-11-28 01:04:55,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:55" (1/1) ... [2019-11-28 01:04:55,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:55" (1/1) ... [2019-11-28 01:04:55,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:55" (1/1) ... [2019-11-28 01:04:55,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:55" (1/1) ... [2019-11-28 01:04:55,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:55" (1/1) ... [2019-11-28 01:04:55,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:04:55,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:04:55,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:04:55,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:04:55,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:55" (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 01:04:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:04:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 01:04:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 01:04:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 01:04:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:04:55,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:04:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 01:04:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:04:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:04:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-11-28 01:04:55,641 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-11-28 01:04:55,643 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 01:04:56,372 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:04:56,379 INFO L168 Benchmark]: Toolchain (without parser) took 2535.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 955.0 MB in the beginning and 955.7 MB in the end (delta: -695.5 kB). Peak memory consumption was 151.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:56,380 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:04:56,381 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1514.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -51.6 MB). Peak memory consumption was 111.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:56,382 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1000.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:56,383 INFO L168 Benchmark]: Boogie Preprocessor took 93.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1000.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:04:56,384 INFO L168 Benchmark]: RCFGBuilder took 816.02 ms. Allocated memory is still 1.2 GB. Free memory was 1000.0 MB in the beginning and 955.7 MB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:56,388 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 1514.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -51.6 MB). Peak memory consumption was 111.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 107.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1000.0 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 93.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1000.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 816.02 ms. Allocated memory is still 1.2 GB. Free memory was 1000.0 MB in the beginning and 955.7 MB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 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...