./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/13_unverif.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-ext/13_unverif.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 b0b2ccfb5786f99f9baf1dc7ff4e1ff53e920fcf ...................................................................................................................................................................................... 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-ext/13_unverif.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 b0b2ccfb5786f99f9baf1dc7ff4e1ff53e920fcf ........................................................................................................................................................................................ 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 00:52:49,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:52:49,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:52:49,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:52:49,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:52:49,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:52:49,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:52:49,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:52:49,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:52:49,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:52:49,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:52:49,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:52:49,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:52:49,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:52:49,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:52:49,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:52:49,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:52:49,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:52:49,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:52:49,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:52:49,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:52:49,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:52:49,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:52:49,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:52:49,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:52:49,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:52:49,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:52:49,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:52:49,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:52:49,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:52:49,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:52:49,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:52:49,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:52:49,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:52:49,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:52:49,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:52:49,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:52:49,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:52:49,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:52:49,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:52:49,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:52:49,545 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:52:49,580 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:52:49,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:52:49,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:52:49,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:52:49,584 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:52:49,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:52:49,585 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:52:49,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:52:49,585 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:52:49,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:52:49,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:52:49,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:52:49,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:52:49,588 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:52:49,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:52:49,590 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:52:49,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:52:49,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:52:49,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:52:49,591 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:52:49,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:52:49,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:52:49,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:52:49,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:52:49,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:52:49,592 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:52:49,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:52:49,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:52:49,593 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 -> b0b2ccfb5786f99f9baf1dc7ff4e1ff53e920fcf [2019-11-28 00:52:49,903 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:52:49,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:52:49,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:52:49,929 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:52:49,930 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:52:49,931 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/13_unverif.i [2019-11-28 00:52:50,012 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/066f9dd54/47e676b4153c4831aeb5b4cace92eafb/FLAG786135ef0 [2019-11-28 00:52:50,586 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:52:50,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/13_unverif.i [2019-11-28 00:52:50,607 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/066f9dd54/47e676b4153c4831aeb5b4cace92eafb/FLAG786135ef0 [2019-11-28 00:52:50,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/066f9dd54/47e676b4153c4831aeb5b4cace92eafb [2019-11-28 00:52:50,898 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:52:50,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:52:50,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:50,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:52:50,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:52:50,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:50" (1/1) ... [2019-11-28 00:52:50,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7798295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:50, skipping insertion in model container [2019-11-28 00:52:50,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:50" (1/1) ... [2019-11-28 00:52:50,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:52:50,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:52:51,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:51,501 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:52:51,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:51,653 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:52:51,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:51 WrapperNode [2019-11-28 00:52:51,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:51,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:51,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:52:51,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:52:51,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:51" (1/1) ... [2019-11-28 00:52:51,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:51" (1/1) ... [2019-11-28 00:52:51,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:51,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:52:51,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:52:51,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:52:51,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:51" (1/1) ... [2019-11-28 00:52:51,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:51" (1/1) ... [2019-11-28 00:52:51,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:51" (1/1) ... [2019-11-28 00:52:51,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:51" (1/1) ... [2019-11-28 00:52:51,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:51" (1/1) ... [2019-11-28 00:52:51,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:51" (1/1) ... [2019-11-28 00:52:51,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:51" (1/1) ... [2019-11-28 00:52:51,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:52:51,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:52:51,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:52:51,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:52:51,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:51" (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 00:52:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-28 00:52:51,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-28 00:52:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:52:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:52:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:52:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:52:51,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:52:51,797 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 00:52:51,975 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_r_returnLabel [2019-11-28 00:52:52,119 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 00:52:52,126 INFO L168 Benchmark]: Toolchain (without parser) took 1224.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -103.1 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:52,126 INFO L168 Benchmark]: CDTParser took 0.26 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 00:52:52,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -128.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:52,128 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:52,129 INFO L168 Benchmark]: Boogie Preprocessor took 24.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:52:52,130 INFO L168 Benchmark]: RCFGBuilder took 398.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:52,134 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 753.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -128.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 398.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:52:54,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:52:54,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:52:54,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:52:54,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:52:54,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:52:54,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:52:54,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:52:54,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:52:54,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:52:54,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:52:54,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:52:54,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:52:54,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:52:54,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:52:54,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:52:54,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:52:54,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:52:54,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:52:54,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:52:54,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:52:54,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:52:54,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:52:54,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:52:54,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:52:54,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:52:54,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:52:54,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:52:54,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:52:54,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:52:54,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:52:54,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:52:54,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:52:54,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:52:54,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:52:54,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:52:54,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:52:54,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:52:54,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:52:54,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:52:54,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:52:54,215 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:52:54,252 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:52:54,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:52:54,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:52:54,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:52:54,259 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:52:54,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:52:54,261 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:52:54,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:52:54,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:52:54,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:52:54,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:52:54,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:52:54,263 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:52:54,263 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:52:54,263 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:52:54,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:52:54,264 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:52:54,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:52:54,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:52:54,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:52:54,268 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:52:54,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:52:54,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:52:54,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:52:54,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:52:54,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:52:54,270 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:52:54,270 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:52:54,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:52:54,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:52:54,271 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 -> b0b2ccfb5786f99f9baf1dc7ff4e1ff53e920fcf [2019-11-28 00:52:54,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:52:54,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:52:54,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:52:54,601 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:52:54,601 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:52:54,602 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/13_unverif.i [2019-11-28 00:52:54,661 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e285bb8c/30548b0a5e834d7db26d394467a06770/FLAG74c2099cd [2019-11-28 00:52:55,199 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:52:55,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/13_unverif.i [2019-11-28 00:52:55,217 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e285bb8c/30548b0a5e834d7db26d394467a06770/FLAG74c2099cd [2019-11-28 00:52:55,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e285bb8c/30548b0a5e834d7db26d394467a06770 [2019-11-28 00:52:55,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:52:55,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:52:55,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:55,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:52:55,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:52:55,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:55" (1/1) ... [2019-11-28 00:52:55,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be19a31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:55, skipping insertion in model container [2019-11-28 00:52:55,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:55" (1/1) ... [2019-11-28 00:52:55,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:52:55,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:52:56,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:56,036 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:52:56,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:56,155 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:52:56,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:56 WrapperNode [2019-11-28 00:52:56,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:56,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:56,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:52:56,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:52:56,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:56" (1/1) ... [2019-11-28 00:52:56,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:56" (1/1) ... [2019-11-28 00:52:56,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:56,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:52:56,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:52:56,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:52:56,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:56" (1/1) ... [2019-11-28 00:52:56,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:56" (1/1) ... [2019-11-28 00:52:56,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:56" (1/1) ... [2019-11-28 00:52:56,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:56" (1/1) ... [2019-11-28 00:52:56,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:56" (1/1) ... [2019-11-28 00:52:56,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:56" (1/1) ... [2019-11-28 00:52:56,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:56" (1/1) ... [2019-11-28 00:52:56,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:52:56,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:52:56,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:52:56,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:52:56,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:56" (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 00:52:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-28 00:52:56,319 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-28 00:52:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:52:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:52:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:52:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:52:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:52:56,322 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 00:52:56,486 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_r_returnLabel [2019-11-28 00:52:56,644 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 00:52:56,651 INFO L168 Benchmark]: Toolchain (without parser) took 1146.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -132.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:56,652 INFO L168 Benchmark]: CDTParser took 0.28 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 00:52:56,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:56,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.35 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 00:52:56,655 INFO L168 Benchmark]: Boogie Preprocessor took 30.21 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 00:52:56,656 INFO L168 Benchmark]: RCFGBuilder took 404.39 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: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:56,659 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 651.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -155.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 404.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...