./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix036_power.opt.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-wmm/mix036_power.opt.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 aaadaa430afe319284ad2cc35ebb4ad15d10acd1 ............................................................................................................................................................................................. 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-wmm/mix036_power.opt.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 aaadaa430afe319284ad2cc35ebb4ad15d10acd1 ............................................................................................................................................................................................... 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 00:57:00,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:57:00,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:57:00,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:57:00,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:57:00,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:57:00,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:57:00,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:57:00,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:57:00,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:57:00,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:57:00,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:57:00,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:57:00,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:57:00,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:57:00,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:57:00,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:57:00,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:57:00,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:57:00,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:57:00,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:57:00,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:57:00,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:57:00,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:57:00,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:57:00,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:57:00,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:57:00,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:57:00,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:57:00,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:57:00,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:57:00,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:57:00,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:57:00,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:57:00,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:57:00,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:57:00,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:57:00,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:57:00,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:57:00,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:57:00,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:57:00,684 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:57:00,712 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:57:00,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:57:00,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:57:00,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:57:00,718 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:57:00,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:57:00,721 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:57:00,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:57:00,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:57:00,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:57:00,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:57:00,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:57:00,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:57:00,723 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:57:00,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:57:00,724 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:57:00,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:57:00,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:57:00,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:57:00,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:57:00,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:57:00,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:57:00,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:57:00,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:57:00,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:57:00,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:57:00,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:57:00,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:57:00,727 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 -> aaadaa430afe319284ad2cc35ebb4ad15d10acd1 [2019-11-28 00:57:01,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:57:01,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:57:01,055 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:57:01,057 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:57:01,058 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:57:01,060 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix036_power.opt.i [2019-11-28 00:57:01,137 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236d1f672/9bef52b091d7431dbe79815347bb188e/FLAG02157d3fc [2019-11-28 00:57:01,768 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:57:01,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix036_power.opt.i [2019-11-28 00:57:01,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236d1f672/9bef52b091d7431dbe79815347bb188e/FLAG02157d3fc [2019-11-28 00:57:01,995 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236d1f672/9bef52b091d7431dbe79815347bb188e [2019-11-28 00:57:01,999 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:57:02,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:57:02,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:02,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:57:02,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:57:02,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:01" (1/1) ... [2019-11-28 00:57:02,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58705288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:02, skipping insertion in model container [2019-11-28 00:57:02,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:01" (1/1) ... [2019-11-28 00:57:02,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:57:02,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:57:02,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:02,646 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:57:02,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:02,793 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:57:02,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:02 WrapperNode [2019-11-28 00:57:02,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:02,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:02,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:57:02,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:57:02,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:02" (1/1) ... [2019-11-28 00:57:02,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:02" (1/1) ... [2019-11-28 00:57:02,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:02,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:57:02,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:57:02,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:57:02,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:02" (1/1) ... [2019-11-28 00:57:02,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:02" (1/1) ... [2019-11-28 00:57:02,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:02" (1/1) ... [2019-11-28 00:57:02,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:02" (1/1) ... [2019-11-28 00:57:02,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:02" (1/1) ... [2019-11-28 00:57:02,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:02" (1/1) ... [2019-11-28 00:57:02,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:02" (1/1) ... [2019-11-28 00:57:02,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:57:02,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:57:02,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:57:02,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:57:02,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:02" (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 00:57:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:57:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:57:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:57:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:57:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:57:02,969 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:57:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:57:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:57:02,970 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:57:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:57:02,971 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 00:57:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 00:57:02,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:57:02,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:57:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:57:02,974 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 00:57:03,805 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:57:03,812 INFO L168 Benchmark]: Toolchain (without parser) took 1810.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -103.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:03,812 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:57:03,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -166.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:03,815 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:03,815 INFO L168 Benchmark]: Boogie Preprocessor took 45.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:57:03,817 INFO L168 Benchmark]: RCFGBuilder took 903.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.9 MB). Peak memory consumption was 50.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:03,820 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 793.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -166.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.84 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 45.25 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 903.27 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: 50.9 MB). Peak memory consumption was 50.9 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 00:57:05,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:57:05,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:57:05,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:57:05,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:57:05,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:57:05,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:57:05,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:57:05,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:57:05,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:57:05,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:57:05,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:57:05,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:57:05,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:57:05,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:57:05,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:57:05,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:57:05,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:57:05,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:57:05,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:57:05,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:57:05,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:57:05,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:57:05,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:57:05,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:57:05,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:57:05,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:57:05,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:57:05,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:57:05,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:57:05,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:57:05,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:57:05,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:57:05,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:57:05,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:57:05,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:57:05,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:57:05,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:57:05,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:57:05,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:57:05,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:57:05,936 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:57:05,959 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:57:05,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:57:05,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:57:05,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:57:05,966 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:57:05,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:57:05,966 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:57:05,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:57:05,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:57:05,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:57:05,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:57:05,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:57:05,968 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:57:05,968 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:57:05,969 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:57:05,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:57:05,969 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:57:05,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:57:05,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:57:05,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:57:05,970 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:57:05,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:57:05,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:57:05,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:57:05,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:57:05,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:57:05,972 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:57:05,972 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:57:05,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:57:05,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:57:05,972 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 -> aaadaa430afe319284ad2cc35ebb4ad15d10acd1 [2019-11-28 00:57:06,320 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:57:06,340 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:57:06,343 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:57:06,345 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:57:06,345 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:57:06,346 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix036_power.opt.i [2019-11-28 00:57:06,411 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4053b964/1392ce423e9a4d55910ce3ec7abe6386/FLAG8c58f82ad [2019-11-28 00:57:06,962 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:57:06,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix036_power.opt.i [2019-11-28 00:57:06,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4053b964/1392ce423e9a4d55910ce3ec7abe6386/FLAG8c58f82ad [2019-11-28 00:57:07,236 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4053b964/1392ce423e9a4d55910ce3ec7abe6386 [2019-11-28 00:57:07,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:57:07,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:57:07,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:07,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:57:07,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:57:07,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:07" (1/1) ... [2019-11-28 00:57:07,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f61f9f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:07, skipping insertion in model container [2019-11-28 00:57:07,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:07" (1/1) ... [2019-11-28 00:57:07,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:57:07,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:57:07,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:07,834 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:57:07,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:08,027 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:57:08,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:08 WrapperNode [2019-11-28 00:57:08,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:08,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:08,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:57:08,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:57:08,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:08" (1/1) ... [2019-11-28 00:57:08,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:08" (1/1) ... [2019-11-28 00:57:08,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:08,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:57:08,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:57:08,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:57:08,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:08" (1/1) ... [2019-11-28 00:57:08,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:08" (1/1) ... [2019-11-28 00:57:08,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:08" (1/1) ... [2019-11-28 00:57:08,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:08" (1/1) ... [2019-11-28 00:57:08,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:08" (1/1) ... [2019-11-28 00:57:08,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:08" (1/1) ... [2019-11-28 00:57:08,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:08" (1/1) ... [2019-11-28 00:57:08,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:57:08,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:57:08,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:57:08,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:57:08,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:08" (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 00:57:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:57:08,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:57:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:57:08,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:57:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:57:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:57:08,223 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:57:08,223 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:57:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:57:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:57:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 00:57:08,224 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 00:57:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:57:08,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:57:08,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:57:08,226 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 00:57:08,979 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 00:57:08,985 INFO L168 Benchmark]: Toolchain (without parser) took 1742.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 959.0 MB in the beginning and 1.0 GB in the end (delta: -62.8 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:08,986 INFO L168 Benchmark]: CDTParser took 0.17 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 00:57:08,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 786.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -126.7 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:08,988 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:08,989 INFO L168 Benchmark]: Boogie Preprocessor took 42.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:57:08,990 INFO L168 Benchmark]: RCFGBuilder took 835.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:08,994 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 786.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -126.7 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 835.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...