./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe006_power.oepc.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/safe006_power.oepc.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 186caadcfd747c4f9b8350b46269024032544fb5 ........................................................................................................................................................................................... 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/safe006_power.oepc.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 186caadcfd747c4f9b8350b46269024032544fb5 ............................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:01:12,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:01:12,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:01:12,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:01:12,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:01:12,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:01:12,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:01:12,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:01:12,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:01:12,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:01:12,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:01:12,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:01:12,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:01:12,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:01:12,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:01:12,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:01:12,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:01:12,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:01:12,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:01:12,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:01:12,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:01:12,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:01:12,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:01:12,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:01:12,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:01:12,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:01:12,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:01:12,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:01:12,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:01:12,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:01:12,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:01:12,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:01:12,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:01:12,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:01:12,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:01:12,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:01:12,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:01:12,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:01:12,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:01:12,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:01:12,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:01:12,804 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:01:12,839 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:01:12,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:01:12,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:01:12,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:01:12,841 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:01:12,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:01:12,845 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:01:12,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:01:12,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:01:12,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:01:12,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:01:12,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:01:12,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:01:12,846 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:01:12,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:01:12,847 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:01:12,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:01:12,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:01:12,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:01:12,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:01:12,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:01:12,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:01:12,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:01:12,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:01:12,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:01:12,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:01:12,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:01:12,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:01:12,850 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 -> 186caadcfd747c4f9b8350b46269024032544fb5 [2019-11-28 01:01:13,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:01:13,179 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:01:13,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:01:13,184 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:01:13,184 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:01:13,185 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe006_power.oepc.i [2019-11-28 01:01:13,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e0c76147/c04b1aed67764628a00c032cf5223804/FLAG9344b0554 [2019-11-28 01:01:13,838 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:01:13,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe006_power.oepc.i [2019-11-28 01:01:13,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e0c76147/c04b1aed67764628a00c032cf5223804/FLAG9344b0554 [2019-11-28 01:01:14,105 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e0c76147/c04b1aed67764628a00c032cf5223804 [2019-11-28 01:01:14,109 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:01:14,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:01:14,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:14,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:01:14,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:01:14,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:14" (1/1) ... [2019-11-28 01:01:14,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@564c4a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:14, skipping insertion in model container [2019-11-28 01:01:14,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:14" (1/1) ... [2019-11-28 01:01:14,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:01:14,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:01:14,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:14,716 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:01:14,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:14,967 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:01:14,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:14 WrapperNode [2019-11-28 01:01:14,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:14,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:14,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:01:14,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:01:14,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:14" (1/1) ... [2019-11-28 01:01:15,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:14" (1/1) ... [2019-11-28 01:01:15,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:15,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:01:15,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:01:15,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:01:15,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:14" (1/1) ... [2019-11-28 01:01:15,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:14" (1/1) ... [2019-11-28 01:01:15,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:14" (1/1) ... [2019-11-28 01:01:15,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:14" (1/1) ... [2019-11-28 01:01:15,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:14" (1/1) ... [2019-11-28 01:01:15,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:14" (1/1) ... [2019-11-28 01:01:15,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:14" (1/1) ... [2019-11-28 01:01:15,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:01:15,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:01:15,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:01:15,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:01:15,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:14" (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 01:01:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 01:01:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:01:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:01:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:01:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:01:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:01:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:01:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:01:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:01:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 01:01:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:01:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:01:15,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:01:15,205 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 01:01:16,098 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:01:16,104 INFO L168 Benchmark]: Toolchain (without parser) took 1992.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -70.9 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:16,105 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:01:16,106 INFO L168 Benchmark]: CACSL2BoogieTranslator took 856.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -136.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:16,107 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:16,108 INFO L168 Benchmark]: Boogie Preprocessor took 57.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:01:16,109 INFO L168 Benchmark]: RCFGBuilder took 987.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:16,112 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 856.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -136.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.02 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 57.48 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 987.93 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: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:01:18,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:01:18,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:01:18,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:01:18,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:01:18,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:01:18,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:01:18,043 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:01:18,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:01:18,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:01:18,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:01:18,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:01:18,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:01:18,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:01:18,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:01:18,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:01:18,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:01:18,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:01:18,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:01:18,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:01:18,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:01:18,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:01:18,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:01:18,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:01:18,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:01:18,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:01:18,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:01:18,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:01:18,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:01:18,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:01:18,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:01:18,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:01:18,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:01:18,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:01:18,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:01:18,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:01:18,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:01:18,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:01:18,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:01:18,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:01:18,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:01:18,104 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:01:18,137 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:01:18,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:01:18,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:01:18,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:01:18,140 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:01:18,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:01:18,141 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:01:18,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:01:18,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:01:18,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:01:18,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:01:18,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:01:18,144 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:01:18,144 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:01:18,145 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:01:18,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:01:18,145 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:01:18,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:01:18,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:01:18,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:01:18,146 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:01:18,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:01:18,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:01:18,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:01:18,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:01:18,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:01:18,148 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:01:18,148 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:01:18,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:01:18,149 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:01:18,149 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 -> 186caadcfd747c4f9b8350b46269024032544fb5 [2019-11-28 01:01:18,498 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:01:18,512 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:01:18,515 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:01:18,516 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:01:18,516 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:01:18,517 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe006_power.oepc.i [2019-11-28 01:01:18,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1da67ac3/d77b1cdafebc43b8aedd87782a8cab98/FLAG141365eb0 [2019-11-28 01:01:19,139 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:01:19,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe006_power.oepc.i [2019-11-28 01:01:19,154 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1da67ac3/d77b1cdafebc43b8aedd87782a8cab98/FLAG141365eb0 [2019-11-28 01:01:19,448 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1da67ac3/d77b1cdafebc43b8aedd87782a8cab98 [2019-11-28 01:01:19,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:01:19,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:01:19,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:19,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:01:19,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:01:19,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:19" (1/1) ... [2019-11-28 01:01:19,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e18d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:19, skipping insertion in model container [2019-11-28 01:01:19,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:19" (1/1) ... [2019-11-28 01:01:19,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:01:19,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:01:20,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:20,137 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:01:20,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:20,308 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:01:20,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:20 WrapperNode [2019-11-28 01:01:20,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:20,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:20,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:01:20,309 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:01:20,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:20" (1/1) ... [2019-11-28 01:01:20,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:20" (1/1) ... [2019-11-28 01:01:20,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:20,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:01:20,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:01:20,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:01:20,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:20" (1/1) ... [2019-11-28 01:01:20,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:20" (1/1) ... [2019-11-28 01:01:20,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:20" (1/1) ... [2019-11-28 01:01:20,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:20" (1/1) ... [2019-11-28 01:01:20,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:20" (1/1) ... [2019-11-28 01:01:20,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:20" (1/1) ... [2019-11-28 01:01:20,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:20" (1/1) ... [2019-11-28 01:01:20,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:01:20,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:01:20,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:01:20,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:01:20,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:01:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 01:01:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:01:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:01:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:01:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:01:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 01:01:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:01:20,485 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:01:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:01:20,485 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:01:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:01:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:01:20,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:01:20,488 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 01:01:21,297 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:01:21,307 INFO L168 Benchmark]: Toolchain (without parser) took 1852.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -60.1 MB). Peak memory consumption was 56.9 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:21,309 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:01:21,311 INFO L168 Benchmark]: CACSL2BoogieTranslator took 854.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -126.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:21,312 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.68 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:21,313 INFO L168 Benchmark]: Boogie Preprocessor took 44.26 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 01:01:21,316 INFO L168 Benchmark]: RCFGBuilder took 888.85 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: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:21,322 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 854.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -126.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 888.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...