./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix054_tso.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/mix054_tso.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 3a1e4f40f914c6e0d49b332e5985e3ce0c4f5b0e ......................................................................................................................................................................................... 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/mix054_tso.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 3a1e4f40f914c6e0d49b332e5985e3ce0c4f5b0e ........................................................................................................................................................................................... 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 00:58:55,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:58:55,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:58:55,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:58:55,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:58:55,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:58:55,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:58:55,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:58:55,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:58:55,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:58:55,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:58:55,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:58:55,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:58:55,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:58:55,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:58:55,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:58:55,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:58:55,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:58:55,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:58:55,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:58:55,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:58:55,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:58:55,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:58:55,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:58:55,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:58:55,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:58:55,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:58:55,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:58:55,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:58:55,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:58:55,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:58:55,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:58:55,580 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:58:55,581 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:58:55,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:58:55,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:58:55,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:58:55,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:58:55,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:58:55,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:58:55,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:58:55,587 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:58:55,626 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:58:55,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:58:55,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:58:55,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:58:55,628 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:58:55,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:58:55,628 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:58:55,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:58:55,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:58:55,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:58:55,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:58:55,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:58:55,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:58:55,630 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:58:55,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:58:55,630 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:58:55,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:58:55,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:58:55,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:58:55,631 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:58:55,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:58:55,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:58:55,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:58:55,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:58:55,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:58:55,632 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:58:55,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:58:55,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:58:55,633 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 -> 3a1e4f40f914c6e0d49b332e5985e3ce0c4f5b0e [2019-11-28 00:58:55,929 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:58:55,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:58:55,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:58:55,947 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:58:55,947 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:58:55,948 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix054_tso.oepc.i [2019-11-28 00:58:56,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96dfdf443/c1b18cd0b0a541dfac772918791671ad/FLAGcbaca3ff6 [2019-11-28 00:58:56,605 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:58:56,606 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix054_tso.oepc.i [2019-11-28 00:58:56,625 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96dfdf443/c1b18cd0b0a541dfac772918791671ad/FLAGcbaca3ff6 [2019-11-28 00:58:56,952 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96dfdf443/c1b18cd0b0a541dfac772918791671ad [2019-11-28 00:58:56,955 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:58:56,957 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:58:56,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:58:56,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:58:56,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:58:56,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:58:56" (1/1) ... [2019-11-28 00:58:56,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d9c01a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:56, skipping insertion in model container [2019-11-28 00:58:56,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:58:56" (1/1) ... [2019-11-28 00:58:56,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:58:57,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:58:57,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:58:57,531 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:58:57,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:58:57,679 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:58:57,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:57 WrapperNode [2019-11-28 00:58:57,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:58:57,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:58:57,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:58:57,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:58:57,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:57" (1/1) ... [2019-11-28 00:58:57,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:57" (1/1) ... [2019-11-28 00:58:57,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:58:57,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:58:57,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:58:57,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:58:57,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:57" (1/1) ... [2019-11-28 00:58:57,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:57" (1/1) ... [2019-11-28 00:58:57,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:57" (1/1) ... [2019-11-28 00:58:57,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:57" (1/1) ... [2019-11-28 00:58:57,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:57" (1/1) ... [2019-11-28 00:58:57,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:57" (1/1) ... [2019-11-28 00:58:57,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:57" (1/1) ... [2019-11-28 00:58:57,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:58:57,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:58:57,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:58:57,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:58:57,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:58:57" (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 00:58:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:58:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:58:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:58:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:58:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:58:57,877 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:58:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:58:57,877 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:58:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:58:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:58:57,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:58:57,879 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 00:58:58,559 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:58:58,565 INFO L168 Benchmark]: Toolchain (without parser) took 1606.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -101.5 MB). Peak memory consumption was 42.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:58:58,566 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:58:58,567 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:58:58,568 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:58:58,568 INFO L168 Benchmark]: Boogie Preprocessor took 41.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:58:58,569 INFO L168 Benchmark]: RCFGBuilder took 757.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:58:58,573 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 722.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.96 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 41.76 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 757.45 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: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:59:00,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:59:00,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:59:00,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:59:00,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:59:00,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:59:00,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:59:00,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:59:00,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:59:00,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:59:00,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:59:00,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:59:00,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:59:00,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:59:00,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:59:00,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:59:00,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:59:00,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:59:00,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:59:00,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:59:00,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:59:00,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:59:00,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:59:00,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:59:00,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:59:00,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:59:00,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:59:00,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:59:00,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:59:00,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:59:00,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:59:00,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:59:00,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:59:00,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:59:00,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:59:00,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:59:00,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:59:00,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:59:00,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:59:00,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:59:00,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:59:00,705 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:59:00,736 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:59:00,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:59:00,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:59:00,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:59:00,741 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:59:00,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:59:00,741 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:59:00,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:59:00,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:59:00,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:59:00,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:59:00,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:59:00,744 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:59:00,745 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:59:00,745 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:59:00,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:59:00,746 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:59:00,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:59:00,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:59:00,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:59:00,747 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:59:00,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:59:00,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:59:00,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:59:00,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:59:00,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:59:00,749 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:59:00,750 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:59:00,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:59:00,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:59:00,751 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 -> 3a1e4f40f914c6e0d49b332e5985e3ce0c4f5b0e [2019-11-28 00:59:01,100 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:59:01,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:59:01,119 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:59:01,121 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:59:01,121 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:59:01,123 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix054_tso.oepc.i [2019-11-28 00:59:01,193 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24e2a4a5f/80c88700cf9849cc8e0d1b207069324f/FLAGb3b3f42c8 [2019-11-28 00:59:01,737 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:59:01,738 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix054_tso.oepc.i [2019-11-28 00:59:01,753 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24e2a4a5f/80c88700cf9849cc8e0d1b207069324f/FLAGb3b3f42c8 [2019-11-28 00:59:01,967 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24e2a4a5f/80c88700cf9849cc8e0d1b207069324f [2019-11-28 00:59:01,971 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:59:01,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:59:01,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:59:01,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:59:01,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:59:01,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:59:01" (1/1) ... [2019-11-28 00:59:01,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5438bd97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:01, skipping insertion in model container [2019-11-28 00:59:01,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:59:01" (1/1) ... [2019-11-28 00:59:01,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:59:02,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:59:02,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:59:02,509 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:59:02,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:59:02,664 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:59:02,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:02 WrapperNode [2019-11-28 00:59:02,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:59:02,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:59:02,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:59:02,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:59:02,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:02" (1/1) ... [2019-11-28 00:59:02,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:02" (1/1) ... [2019-11-28 00:59:02,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:59:02,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:59:02,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:59:02,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:59:02,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:02" (1/1) ... [2019-11-28 00:59:02,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:02" (1/1) ... [2019-11-28 00:59:02,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:02" (1/1) ... [2019-11-28 00:59:02,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:02" (1/1) ... [2019-11-28 00:59:02,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:02" (1/1) ... [2019-11-28 00:59:02,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:02" (1/1) ... [2019-11-28 00:59:02,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:02" (1/1) ... [2019-11-28 00:59:02,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:59:02,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:59:02,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:59:02,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:59:02,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:02" (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 00:59:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:59:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:59:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:59:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:59:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:59:02,853 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:59:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:59:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:59:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:59:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:59:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:59:02,856 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 00:59:03,544 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 00:59:03,550 INFO L168 Benchmark]: Toolchain (without parser) took 1576.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -106.7 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:03,550 INFO L168 Benchmark]: CDTParser took 0.36 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 00:59:03,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:03,552 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.74 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:03,553 INFO L168 Benchmark]: Boogie Preprocessor took 39.42 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 00:59:03,554 INFO L168 Benchmark]: RCFGBuilder took 759.86 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: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:59:03,557 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 691.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 759.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...