./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix008_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/mix008_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 ef8825e9f44d7e4cf38643584b53b3f6bc2eb3fe ............................................................................................................................................................................................. 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/mix008_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 ef8825e9f44d7e4cf38643584b53b3f6bc2eb3fe ............................................................................................................................................................................................... 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 00:54:06,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:54:06,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:54:06,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:54:06,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:54:06,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:54:06,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:54:06,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:54:06,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:54:06,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:54:06,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:54:06,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:54:06,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:54:06,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:54:06,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:54:06,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:54:06,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:54:06,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:54:06,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:54:06,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:54:06,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:54:06,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:54:06,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:54:06,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:54:06,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:54:06,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:54:06,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:54:06,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:54:06,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:54:06,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:54:06,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:54:06,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:54:06,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:54:06,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:54:06,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:54:06,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:54:06,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:54:06,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:54:06,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:54:06,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:54:06,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:54:06,707 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:54:06,727 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:54:06,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:54:06,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:54:06,730 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:54:06,730 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:54:06,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:54:06,730 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:54:06,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:54:06,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:54:06,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:54:06,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:54:06,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:54:06,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:54:06,732 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:54:06,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:54:06,733 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:54:06,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:54:06,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:54:06,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:54:06,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:54:06,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:54:06,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:54:06,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:54:06,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:54:06,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:54:06,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:54:06,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:54:06,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:54:06,737 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 -> ef8825e9f44d7e4cf38643584b53b3f6bc2eb3fe [2019-11-28 00:54:07,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:54:07,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:54:07,056 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:54:07,057 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:54:07,057 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:54:07,058 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix008_power.opt.i [2019-11-28 00:54:07,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc01ea28a/2d8c81639a2c4584baef489189f777a4/FLAGfe29aa05d [2019-11-28 00:54:07,604 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:54:07,605 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix008_power.opt.i [2019-11-28 00:54:07,621 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc01ea28a/2d8c81639a2c4584baef489189f777a4/FLAGfe29aa05d [2019-11-28 00:54:07,898 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc01ea28a/2d8c81639a2c4584baef489189f777a4 [2019-11-28 00:54:07,902 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:54:07,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:54:07,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:54:07,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:54:07,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:54:07,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:07" (1/1) ... [2019-11-28 00:54:07,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4371465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:07, skipping insertion in model container [2019-11-28 00:54:07,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:07" (1/1) ... [2019-11-28 00:54:07,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:54:07,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:54:08,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:54:08,469 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:54:08,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:54:08,640 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:54:08,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:08 WrapperNode [2019-11-28 00:54:08,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:54:08,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:54:08,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:54:08,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:54:08,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:08" (1/1) ... [2019-11-28 00:54:08,674 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:08" (1/1) ... [2019-11-28 00:54:08,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:54:08,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:54:08,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:54:08,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:54:08,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:08" (1/1) ... [2019-11-28 00:54:08,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:08" (1/1) ... [2019-11-28 00:54:08,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:08" (1/1) ... [2019-11-28 00:54:08,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:08" (1/1) ... [2019-11-28 00:54:08,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:08" (1/1) ... [2019-11-28 00:54:08,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:08" (1/1) ... [2019-11-28 00:54:08,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:08" (1/1) ... [2019-11-28 00:54:08,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:54:08,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:54:08,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:54:08,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:54:08,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:08" (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 00:54:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:54:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:54:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:54:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:54:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:54:08,920 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:54:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:54:08,921 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:54:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:54:08,921 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:54:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 00:54:08,922 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 00:54:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:54:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:54:08,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:54:08,924 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 00:54:09,983 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:54:09,990 INFO L168 Benchmark]: Toolchain (without parser) took 2085.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 949.6 MB in the beginning and 1.0 GB in the end (delta: -93.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:09,991 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:54:09,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:09,993 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:09,994 INFO L168 Benchmark]: Boogie Preprocessor took 95.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:54:09,995 INFO L168 Benchmark]: RCFGBuilder took 1149.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:09,999 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 736.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.31 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 95.74 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 1149.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.0 MB). Peak memory consumption was 59.0 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 00:54:11,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:54:11,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:54:11,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:54:11,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:54:11,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:54:11,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:54:11,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:54:11,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:54:11,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:54:11,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:54:11,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:54:11,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:54:11,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:54:11,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:54:11,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:54:11,956 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:54:11,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:54:11,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:54:11,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:54:11,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:54:11,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:54:11,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:54:11,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:54:11,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:54:11,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:54:11,983 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:54:11,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:54:11,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:54:11,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:54:11,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:54:11,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:54:11,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:54:11,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:54:11,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:54:11,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:54:11,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:54:11,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:54:11,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:54:11,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:54:11,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:54:11,995 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:54:12,031 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:54:12,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:54:12,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:54:12,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:54:12,036 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:54:12,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:54:12,037 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:54:12,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:54:12,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:54:12,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:54:12,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:54:12,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:54:12,038 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:54:12,038 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:54:12,038 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:54:12,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:54:12,039 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:54:12,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:54:12,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:54:12,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:54:12,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:54:12,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:54:12,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:54:12,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:54:12,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:54:12,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:54:12,042 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:54:12,042 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:54:12,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:54:12,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:54:12,043 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 -> ef8825e9f44d7e4cf38643584b53b3f6bc2eb3fe [2019-11-28 00:54:12,389 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:54:12,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:54:12,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:54:12,409 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:54:12,409 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:54:12,410 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix008_power.opt.i [2019-11-28 00:54:12,468 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b5f2b34/b4511a85c38e475abe19d977fe4859ed/FLAG2442bc258 [2019-11-28 00:54:12,987 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:54:12,992 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix008_power.opt.i [2019-11-28 00:54:13,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b5f2b34/b4511a85c38e475abe19d977fe4859ed/FLAG2442bc258 [2019-11-28 00:54:13,258 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b5f2b34/b4511a85c38e475abe19d977fe4859ed [2019-11-28 00:54:13,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:54:13,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:54:13,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:54:13,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:54:13,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:54:13,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:13" (1/1) ... [2019-11-28 00:54:13,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a48a79f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:13, skipping insertion in model container [2019-11-28 00:54:13,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:13" (1/1) ... [2019-11-28 00:54:13,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:54:13,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:54:13,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:54:13,929 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:54:14,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:54:14,091 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:54:14,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:14 WrapperNode [2019-11-28 00:54:14,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:54:14,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:54:14,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:54:14,093 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:54:14,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:14" (1/1) ... [2019-11-28 00:54:14,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:14" (1/1) ... [2019-11-28 00:54:14,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:54:14,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:54:14,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:54:14,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:54:14,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:14" (1/1) ... [2019-11-28 00:54:14,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:14" (1/1) ... [2019-11-28 00:54:14,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:14" (1/1) ... [2019-11-28 00:54:14,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:14" (1/1) ... [2019-11-28 00:54:14,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:14" (1/1) ... [2019-11-28 00:54:14,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:14" (1/1) ... [2019-11-28 00:54:14,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:14" (1/1) ... [2019-11-28 00:54:14,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:54:14,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:54:14,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:54:14,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:54:14,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:14" (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 00:54:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:54:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:54:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:54:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:54:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:54:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:54:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:54:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:54:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:54:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:54:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 00:54:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 00:54:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:54:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:54:14,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:54:14,297 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 00:54:15,222 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 00:54:15,228 INFO L168 Benchmark]: Toolchain (without parser) took 1964.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -85.2 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:15,229 INFO L168 Benchmark]: CDTParser took 0.26 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 00:54:15,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 829.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:15,231 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.10 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 00:54:15,232 INFO L168 Benchmark]: Boogie Preprocessor took 46.16 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 00:54:15,233 INFO L168 Benchmark]: RCFGBuilder took 993.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:15,237 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 829.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 993.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...