./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe027_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/safe027_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 bc09de43df0acbdf8f18a78cd6eb5acc605e205e ............................................................................................................................................................................................... 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/safe027_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 bc09de43df0acbdf8f18a78cd6eb5acc605e205e ................................................................................................................................................................................................. 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 01:03:17,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:03:17,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:03:17,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:03:17,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:03:17,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:03:17,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:03:17,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:03:17,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:03:17,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:03:17,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:03:17,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:03:17,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:03:17,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:03:17,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:03:17,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:03:17,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:03:17,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:03:17,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:03:17,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:03:17,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:03:17,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:03:17,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:03:17,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:03:17,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:03:17,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:03:17,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:03:17,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:03:17,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:03:17,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:03:17,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:03:17,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:03:17,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:03:17,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:03:17,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:03:17,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:03:17,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:03:17,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:03:17,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:03:17,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:03:17,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:03:17,886 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:03:17,904 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:03:17,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:03:17,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:03:17,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:03:17,906 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:03:17,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:03:17,906 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:03:17,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:03:17,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:03:17,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:03:17,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:03:17,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:03:17,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:03:17,908 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:03:17,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:03:17,908 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:03:17,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:03:17,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:03:17,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:03:17,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:03:17,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:03:17,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:03:17,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:03:17,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:03:17,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:03:17,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:03:17,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:03:17,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:03:17,911 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 -> bc09de43df0acbdf8f18a78cd6eb5acc605e205e [2019-11-28 01:03:18,200 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:03:18,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:03:18,224 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:03:18,226 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:03:18,226 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:03:18,228 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i [2019-11-28 01:03:18,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f5aba81e/c48d199530ba45c4b6fcad3dccddada1/FLAGc202acc7e [2019-11-28 01:03:18,831 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:03:18,832 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i [2019-11-28 01:03:18,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f5aba81e/c48d199530ba45c4b6fcad3dccddada1/FLAGc202acc7e [2019-11-28 01:03:19,024 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f5aba81e/c48d199530ba45c4b6fcad3dccddada1 [2019-11-28 01:03:19,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:03:19,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:03:19,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:19,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:03:19,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:03:19,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:19" (1/1) ... [2019-11-28 01:03:19,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50ed52d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:19, skipping insertion in model container [2019-11-28 01:03:19,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:19" (1/1) ... [2019-11-28 01:03:19,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:03:19,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:03:19,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:19,705 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:03:19,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:19,888 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:03:19,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:19 WrapperNode [2019-11-28 01:03:19,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:19,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:19,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:03:19,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:03:19,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:19" (1/1) ... [2019-11-28 01:03:19,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:19" (1/1) ... [2019-11-28 01:03:19,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:19,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:03:19,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:03:19,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:03:19,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:19" (1/1) ... [2019-11-28 01:03:19,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:19" (1/1) ... [2019-11-28 01:03:20,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:19" (1/1) ... [2019-11-28 01:03:20,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:19" (1/1) ... [2019-11-28 01:03:20,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:19" (1/1) ... [2019-11-28 01:03:20,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:19" (1/1) ... [2019-11-28 01:03:20,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:19" (1/1) ... [2019-11-28 01:03:20,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:03:20,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:03:20,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:03:20,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:03:20,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:19" (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 01:03:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 01:03:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:03:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:03:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:03:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:03:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:03:20,131 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:03:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:03:20,132 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:03:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:03:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:03:20,135 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 01:03:20,135 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 01:03:20,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 01:03:20,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:03:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:03:20,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:03:20,139 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 01:03:21,316 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:03:21,321 INFO L168 Benchmark]: Toolchain (without parser) took 2290.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -67.8 MB). Peak memory consumption was 85.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:21,322 INFO L168 Benchmark]: CDTParser took 1.79 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:03:21,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 858.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -158.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:21,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:03:21,325 INFO L168 Benchmark]: Boogie Preprocessor took 51.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:21,326 INFO L168 Benchmark]: RCFGBuilder took 1283.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.7 MB). Peak memory consumption was 83.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:21,329 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.79 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 858.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -158.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.07 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 51.35 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 1283.24 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: 83.7 MB). Peak memory consumption was 83.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:03:23,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:03:23,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:03:23,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:03:23,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:03:23,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:03:23,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:03:23,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:03:23,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:03:23,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:03:23,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:03:23,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:03:23,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:03:23,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:03:23,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:03:23,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:03:23,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:03:23,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:03:23,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:03:23,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:03:23,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:03:23,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:03:23,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:03:23,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:03:23,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:03:23,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:03:23,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:03:23,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:03:23,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:03:23,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:03:23,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:03:23,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:03:23,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:03:23,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:03:23,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:03:23,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:03:23,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:03:23,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:03:23,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:03:23,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:03:23,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:03:23,515 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:03:23,543 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:03:23,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:03:23,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:03:23,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:03:23,545 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:03:23,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:03:23,546 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:03:23,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:03:23,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:03:23,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:03:23,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:03:23,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:03:23,548 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:03:23,548 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:03:23,549 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:03:23,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:03:23,549 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:03:23,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:03:23,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:03:23,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:03:23,550 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:03:23,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:03:23,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:03:23,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:03:23,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:03:23,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:03:23,552 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:03:23,552 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:03:23,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:03:23,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:03:23,553 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 -> bc09de43df0acbdf8f18a78cd6eb5acc605e205e [2019-11-28 01:03:23,876 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:03:23,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:03:23,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:03:23,901 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:03:23,902 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:03:23,903 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i [2019-11-28 01:03:23,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e77ab6791/28673c6ab1ce481683eb1c740bb3e3ae/FLAGe787aace7 [2019-11-28 01:03:24,509 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:03:24,510 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i [2019-11-28 01:03:24,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e77ab6791/28673c6ab1ce481683eb1c740bb3e3ae/FLAGe787aace7 [2019-11-28 01:03:24,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e77ab6791/28673c6ab1ce481683eb1c740bb3e3ae [2019-11-28 01:03:24,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:03:24,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:03:24,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:24,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:03:24,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:03:24,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:24" (1/1) ... [2019-11-28 01:03:24,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38cd1333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:24, skipping insertion in model container [2019-11-28 01:03:24,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:24" (1/1) ... [2019-11-28 01:03:24,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:03:24,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:03:25,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:25,427 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:03:25,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:25,581 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:03:25,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:25 WrapperNode [2019-11-28 01:03:25,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:25,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:25,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:03:25,583 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:03:25,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:25" (1/1) ... [2019-11-28 01:03:25,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:25" (1/1) ... [2019-11-28 01:03:25,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:25,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:03:25,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:03:25,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:03:25,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:25" (1/1) ... [2019-11-28 01:03:25,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:25" (1/1) ... [2019-11-28 01:03:25,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:25" (1/1) ... [2019-11-28 01:03:25,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:25" (1/1) ... [2019-11-28 01:03:25,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:25" (1/1) ... [2019-11-28 01:03:25,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:25" (1/1) ... [2019-11-28 01:03:25,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:25" (1/1) ... [2019-11-28 01:03:25,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:03:25,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:03:25,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:03:25,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:03:25,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:25" (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 01:03:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 01:03:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:03:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:03:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:03:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:03:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 01:03:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:03:25,813 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:03:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:03:25,814 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:03:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:03:25,814 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:03:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 01:03:25,815 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 01:03:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:03:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:03:25,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:03:25,817 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 01:03:26,849 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 01:03:26,855 INFO L168 Benchmark]: Toolchain (without parser) took 2048.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.9 MB). Free memory was 951.0 MB in the beginning and 950.1 MB in the end (delta: 867.9 kB). Peak memory consumption was 85.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:26,856 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:03:26,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.9 MB). Free memory was 945.6 MB in the beginning and 1.0 GB in the end (delta: -93.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:26,858 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.61 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:03:26,859 INFO L168 Benchmark]: Boogie Preprocessor took 84.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:26,860 INFO L168 Benchmark]: RCFGBuilder took 1114.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 950.1 MB in the end (delta: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:26,863 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 776.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.9 MB). Free memory was 945.6 MB in the beginning and 1.0 GB in the end (delta: -93.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.61 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 84.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1114.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 950.1 MB in the end (delta: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...