./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix043_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/mix043_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 4f3126d3c5211e2226bf8f281ea70a4e63c1b59c ............................................................................................................................................................................................. 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/mix043_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 4f3126d3c5211e2226bf8f281ea70a4e63c1b59c ............................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:57:43,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:57:43,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:57:43,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:57:43,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:57:43,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:57:43,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:57:43,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:57:43,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:57:43,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:57:43,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:57:43,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:57:43,329 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:57:43,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:57:43,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:57:43,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:57:43,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:57:43,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:57:43,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:57:43,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:57:43,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:57:43,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:57:43,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:57:43,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:57:43,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:57:43,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:57:43,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:57:43,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:57:43,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:57:43,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:57:43,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:57:43,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:57:43,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:57:43,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:57:43,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:57:43,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:57:43,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:57:43,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:57:43,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:57:43,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:57:43,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:57:43,355 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:57:43,369 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:57:43,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:57:43,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:57:43,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:57:43,371 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:57:43,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:57:43,371 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:57:43,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:57:43,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:57:43,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:57:43,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:57:43,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:57:43,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:57:43,373 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:57:43,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:57:43,373 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:57:43,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:57:43,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:57:43,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:57:43,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:57:43,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:57:43,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:57:43,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:57:43,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:57:43,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:57:43,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:57:43,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:57:43,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:57:43,376 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 -> 4f3126d3c5211e2226bf8f281ea70a4e63c1b59c [2019-11-28 00:57:43,746 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:57:43,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:57:43,762 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:57:43,763 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:57:43,764 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:57:43,764 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix043_power.oepc.i [2019-11-28 00:57:43,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae7f716ec/167d2b40b208434fbe4c839e421db0dd/FLAG7e3d2fd42 [2019-11-28 00:57:44,387 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:57:44,388 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix043_power.oepc.i [2019-11-28 00:57:44,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae7f716ec/167d2b40b208434fbe4c839e421db0dd/FLAG7e3d2fd42 [2019-11-28 00:57:44,677 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae7f716ec/167d2b40b208434fbe4c839e421db0dd [2019-11-28 00:57:44,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:57:44,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:57:44,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:44,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:57:44,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:57:44,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:44" (1/1) ... [2019-11-28 00:57:44,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5169a7e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:44, skipping insertion in model container [2019-11-28 00:57:44,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:44" (1/1) ... [2019-11-28 00:57:44,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:57:44,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:57:45,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:45,320 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:57:45,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:45,513 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:57:45,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:45 WrapperNode [2019-11-28 00:57:45,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:45,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:45,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:57:45,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:57:45,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:45" (1/1) ... [2019-11-28 00:57:45,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:45" (1/1) ... [2019-11-28 00:57:45,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:45,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:57:45,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:57:45,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:57:45,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:45" (1/1) ... [2019-11-28 00:57:45,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:45" (1/1) ... [2019-11-28 00:57:45,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:45" (1/1) ... [2019-11-28 00:57:45,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:45" (1/1) ... [2019-11-28 00:57:45,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:45" (1/1) ... [2019-11-28 00:57:45,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:45" (1/1) ... [2019-11-28 00:57:45,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:45" (1/1) ... [2019-11-28 00:57:45,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:57:45,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:57:45,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:57:45,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:57:45,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:57:45,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:57:45,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:57:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:57:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:57:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:57:45,704 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:57:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:57:45,704 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:57:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:57:45,705 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:57:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 00:57:45,705 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 00:57:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:57:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:57:45,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:57:45,708 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 00:57:46,525 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:57:46,531 INFO L168 Benchmark]: Toolchain (without parser) took 1848.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -94.2 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:46,532 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:57:46,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 833.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:46,534 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:46,535 INFO L168 Benchmark]: Boogie Preprocessor took 50.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:57:46,536 INFO L168 Benchmark]: RCFGBuilder took 890.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:46,539 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 833.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.33 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 890.76 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:57:48,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:57:48,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:57:48,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:57:48,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:57:48,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:57:48,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:57:48,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:57:48,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:57:48,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:57:48,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:57:48,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:57:48,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:57:48,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:57:48,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:57:48,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:57:48,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:57:48,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:57:48,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:57:48,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:57:48,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:57:48,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:57:48,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:57:48,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:57:48,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:57:48,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:57:48,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:57:48,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:57:48,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:57:48,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:57:48,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:57:48,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:57:48,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:57:48,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:57:48,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:57:48,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:57:48,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:57:48,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:57:48,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:57:48,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:57:48,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:57:48,700 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:57:48,736 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:57:48,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:57:48,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:57:48,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:57:48,741 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:57:48,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:57:48,742 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:57:48,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:57:48,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:57:48,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:57:48,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:57:48,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:57:48,745 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:57:48,745 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:57:48,745 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:57:48,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:57:48,746 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:57:48,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:57:48,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:57:48,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:57:48,747 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:57:48,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:57:48,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:57:48,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:57:48,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:57:48,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:57:48,749 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:57:48,749 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:57:48,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:57:48,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:57:48,750 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 -> 4f3126d3c5211e2226bf8f281ea70a4e63c1b59c [2019-11-28 00:57:49,031 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:57:49,044 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:57:49,047 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:57:49,049 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:57:49,049 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:57:49,050 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix043_power.oepc.i [2019-11-28 00:57:49,123 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5610f7e4f/0f0ce1feef164c6c939a09b70f5c47dc/FLAGaf63d9b2b [2019-11-28 00:57:49,671 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:57:49,672 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix043_power.oepc.i [2019-11-28 00:57:49,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5610f7e4f/0f0ce1feef164c6c939a09b70f5c47dc/FLAGaf63d9b2b [2019-11-28 00:57:49,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5610f7e4f/0f0ce1feef164c6c939a09b70f5c47dc [2019-11-28 00:57:49,954 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:57:49,957 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:57:49,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:49,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:57:49,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:57:49,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:49" (1/1) ... [2019-11-28 00:57:49,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7200b7e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:49, skipping insertion in model container [2019-11-28 00:57:49,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:49" (1/1) ... [2019-11-28 00:57:49,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:57:50,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:57:50,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:50,618 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:57:50,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:50,810 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:57:50,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:50 WrapperNode [2019-11-28 00:57:50,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:50,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:50,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:57:50,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:57:50,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:50" (1/1) ... [2019-11-28 00:57:50,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:50" (1/1) ... [2019-11-28 00:57:50,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:50,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:57:50,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:57:50,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:57:50,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:50" (1/1) ... [2019-11-28 00:57:50,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:50" (1/1) ... [2019-11-28 00:57:50,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:50" (1/1) ... [2019-11-28 00:57:50,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:50" (1/1) ... [2019-11-28 00:57:50,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:50" (1/1) ... [2019-11-28 00:57:50,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:50" (1/1) ... [2019-11-28 00:57:50,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:50" (1/1) ... [2019-11-28 00:57:50,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:57:50,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:57:50,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:57:50,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:57:50,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:57:51,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:57:51,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:57:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:57:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:57:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:57:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:57:51,004 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:57:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:57:51,004 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:57:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:57:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 00:57:51,005 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 00:57:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:57:51,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:57:51,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:57:51,008 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 00:57:51,812 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:57:51,817 INFO L168 Benchmark]: Toolchain (without parser) took 1861.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 949.6 MB in the beginning and 1.0 GB in the end (delta: -99.9 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:51,818 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:57:51,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 851.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:51,820 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:57:51,821 INFO L168 Benchmark]: Boogie Preprocessor took 46.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:57:51,821 INFO L168 Benchmark]: RCFGBuilder took 872.50 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: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:51,825 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 851.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 872.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...