./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix044_pso.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/mix044_pso.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 78d9516ae1bee726ecf9a12490c99061c96d7ba7 ............................................................................................................................................................................................. 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/mix044_pso.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 78d9516ae1bee726ecf9a12490c99061c96d7ba7 ............................................................................................................................................................................................... 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 00:57:51,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:57:51,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:57:51,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:57:51,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:57:51,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:57:51,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:57:51,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:57:51,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:57:51,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:57:51,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:57:51,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:57:51,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:57:51,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:57:51,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:57:51,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:57:51,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:57:51,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:57:51,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:57:51,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:57:51,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:57:51,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:57:51,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:57:51,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:57:51,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:57:51,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:57:51,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:57:51,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:57:51,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:57:51,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:57:51,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:57:51,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:57:51,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:57:51,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:57:51,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:57:51,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:57:51,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:57:51,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:57:51,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:57:51,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:57:51,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:57:51,168 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:57:51,202 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:57:51,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:57:51,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:57:51,207 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:57:51,207 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:57:51,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:57:51,208 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:57:51,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:57:51,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:57:51,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:57:51,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:57:51,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:57:51,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:57:51,210 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:57:51,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:57:51,210 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:57:51,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:57:51,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:57:51,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:57:51,211 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:57:51,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:57:51,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:57:51,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:57:51,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:57:51,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:57:51,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:57:51,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:57:51,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:57:51,214 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 -> 78d9516ae1bee726ecf9a12490c99061c96d7ba7 [2019-11-28 00:57:51,504 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:57:51,518 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:57:51,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:57:51,523 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:57:51,524 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:57:51,525 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix044_pso.oepc.i [2019-11-28 00:57:51,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cb74e748/bd688523508f4829be5ec0fcdae623f1/FLAG53023720e [2019-11-28 00:57:52,175 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:57:52,175 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix044_pso.oepc.i [2019-11-28 00:57:52,190 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cb74e748/bd688523508f4829be5ec0fcdae623f1/FLAG53023720e [2019-11-28 00:57:52,476 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cb74e748/bd688523508f4829be5ec0fcdae623f1 [2019-11-28 00:57:52,479 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:57:52,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:57:52,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:52,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:57:52,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:57:52,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:52" (1/1) ... [2019-11-28 00:57:52,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59b13bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:52, skipping insertion in model container [2019-11-28 00:57:52,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:52" (1/1) ... [2019-11-28 00:57:52,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:57:52,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:57:53,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:53,095 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:57:53,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:53,253 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:57:53,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:53 WrapperNode [2019-11-28 00:57:53,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:53,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:53,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:57:53,255 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:57:53,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:53" (1/1) ... [2019-11-28 00:57:53,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:53" (1/1) ... [2019-11-28 00:57:53,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:53,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:57:53,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:57:53,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:57:53,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:53" (1/1) ... [2019-11-28 00:57:53,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:53" (1/1) ... [2019-11-28 00:57:53,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:53" (1/1) ... [2019-11-28 00:57:53,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:53" (1/1) ... [2019-11-28 00:57:53,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:53" (1/1) ... [2019-11-28 00:57:53,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:53" (1/1) ... [2019-11-28 00:57:53,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:53" (1/1) ... [2019-11-28 00:57:53,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:57:53,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:57:53,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:57:53,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:57:53,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:53" (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 00:57:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:57:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:57:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:57:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:57:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:57:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:57:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:57:53,469 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:57:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:57:53,469 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:57:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 00:57:53,473 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 00:57:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:57:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:57:53,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:57:53,476 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 00:57:54,374 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:57:54,380 INFO L168 Benchmark]: Toolchain (without parser) took 1898.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -94.1 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:54,381 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:57:54,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 772.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -158.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:54,383 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:54,384 INFO L168 Benchmark]: Boogie Preprocessor took 71.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:57:54,385 INFO L168 Benchmark]: RCFGBuilder took 986.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:54,389 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 772.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -158.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.05 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 986.38 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: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:57:56,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:57:56,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:57:56,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:57:56,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:57:56,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:57:56,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:57:56,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:57:56,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:57:56,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:57:56,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:57:56,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:57:56,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:57:56,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:57:56,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:57:56,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:57:56,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:57:56,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:57:56,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:57:56,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:57:56,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:57:56,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:57:56,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:57:56,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:57:56,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:57:56,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:57:56,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:57:56,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:57:56,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:57:56,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:57:56,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:57:56,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:57:56,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:57:56,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:57:56,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:57:56,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:57:56,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:57:56,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:57:56,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:57:56,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:57:56,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:57:56,626 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:57:56,642 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:57:56,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:57:56,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:57:56,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:57:56,646 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:57:56,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:57:56,647 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:57:56,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:57:56,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:57:56,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:57:56,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:57:56,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:57:56,650 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:57:56,650 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:57:56,650 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:57:56,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:57:56,651 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:57:56,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:57:56,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:57:56,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:57:56,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:57:56,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:57:56,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:57:56,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:57:56,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:57:56,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:57:56,658 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:57:56,658 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:57:56,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:57:56,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:57:56,659 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 -> 78d9516ae1bee726ecf9a12490c99061c96d7ba7 [2019-11-28 00:57:57,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:57:57,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:57:57,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:57:57,042 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:57:57,043 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:57:57,044 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix044_pso.oepc.i [2019-11-28 00:57:57,119 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3349158f/a71abd2375ab44a499ca69e1e4340d3b/FLAG241fd0ca4 [2019-11-28 00:57:57,730 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:57:57,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix044_pso.oepc.i [2019-11-28 00:57:57,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3349158f/a71abd2375ab44a499ca69e1e4340d3b/FLAG241fd0ca4 [2019-11-28 00:57:57,944 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3349158f/a71abd2375ab44a499ca69e1e4340d3b [2019-11-28 00:57:57,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:57:57,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:57:57,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:57,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:57:57,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:57:57,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:57" (1/1) ... [2019-11-28 00:57:57,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76576ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:57, skipping insertion in model container [2019-11-28 00:57:57,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:57:57" (1/1) ... [2019-11-28 00:57:57,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:57:58,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:57:58,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:58,589 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:57:58,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:57:58,727 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:57:58,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:58 WrapperNode [2019-11-28 00:57:58,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:57:58,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:58,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:57:58,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:57:58,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:58" (1/1) ... [2019-11-28 00:57:58,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:58" (1/1) ... [2019-11-28 00:57:58,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:57:58,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:57:58,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:57:58,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:57:58,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:58" (1/1) ... [2019-11-28 00:57:58,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:58" (1/1) ... [2019-11-28 00:57:58,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:58" (1/1) ... [2019-11-28 00:57:58,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:58" (1/1) ... [2019-11-28 00:57:58,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:58" (1/1) ... [2019-11-28 00:57:58,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:58" (1/1) ... [2019-11-28 00:57:58,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:58" (1/1) ... [2019-11-28 00:57:58,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:57:58,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:57:58,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:57:58,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:57:58,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:57:58" (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 00:57:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:57:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:57:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:57:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:57:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:57:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:57:58,923 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:57:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:57:58,923 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:57:58,924 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:57:58,924 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 00:57:58,924 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 00:57:58,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:57:58,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:57:58,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:57:58,927 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 00:57:59,738 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 00:57:59,744 INFO L168 Benchmark]: Toolchain (without parser) took 1793.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 961.7 MB in the beginning and 977.6 MB in the end (delta: -15.9 MB). Peak memory consumption was 63.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:59,745 INFO L168 Benchmark]: CDTParser took 0.31 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 00:57:59,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -88.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:59,747 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.29 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 00:57:59,748 INFO L168 Benchmark]: Boogie Preprocessor took 45.50 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 00:57:59,749 INFO L168 Benchmark]: RCFGBuilder took 895.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 977.6 MB in the end (delta: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:57:59,757 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 777.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -88.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 895.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 977.6 MB in the end (delta: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...