./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe016_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe016_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a27ead086ef10d57e0cf6ea22c14fd6f1ef8fad2 ............................................................................................................................................................................................... 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/safe016_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a27ead086ef10d57e0cf6ea22c14fd6f1ef8fad2 ................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:02:15,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:02:15,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:02:15,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:02:15,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:02:15,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:02:15,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:02:15,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:02:15,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:02:15,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:02:15,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:02:15,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:02:15,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:02:15,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:02:15,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:02:15,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:02:15,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:02:15,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:02:15,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:02:15,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:02:15,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:02:15,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:02:15,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:02:15,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:02:15,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:02:15,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:02:15,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:02:15,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:02:15,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:02:15,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:02:15,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:02:15,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:02:15,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:02:15,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:02:15,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:02:15,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:02:15,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:02:15,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:02:15,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:02:15,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:02:15,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:02:15,804 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:02:15,839 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:02:15,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:02:15,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:02:15,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:02:15,845 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:02:15,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:02:15,846 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:02:15,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:02:15,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:02:15,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:02:15,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:02:15,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:02:15,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:02:15,850 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:02:15,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:02:15,850 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:02:15,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:02:15,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:02:15,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:02:15,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:02:15,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:02:15,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:02:15,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:02:15,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:02:15,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:02:15,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:02:15,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:02:15,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:02:15,854 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 -> a27ead086ef10d57e0cf6ea22c14fd6f1ef8fad2 [2019-11-28 01:02:16,175 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:02:16,195 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:02:16,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:02:16,200 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:02:16,200 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:02:16,201 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe016_rmo.opt.i [2019-11-28 01:02:16,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d422db417/a4f191ff8b864c67bf86c503cfba1f41/FLAG95b2a74ab [2019-11-28 01:02:16,877 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:02:16,878 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe016_rmo.opt.i [2019-11-28 01:02:16,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d422db417/a4f191ff8b864c67bf86c503cfba1f41/FLAG95b2a74ab [2019-11-28 01:02:17,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d422db417/a4f191ff8b864c67bf86c503cfba1f41 [2019-11-28 01:02:17,183 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:02:17,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:02:17,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:17,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:02:17,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:02:17,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:17" (1/1) ... [2019-11-28 01:02:17,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55b77c40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:17, skipping insertion in model container [2019-11-28 01:02:17,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:17" (1/1) ... [2019-11-28 01:02:17,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:02:17,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:02:17,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:17,812 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:02:17,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:18,012 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:02:18,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:18 WrapperNode [2019-11-28 01:02:18,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:18,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:18,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:02:18,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:02:18,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:18" (1/1) ... [2019-11-28 01:02:18,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:18" (1/1) ... [2019-11-28 01:02:18,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:18,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:02:18,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:02:18,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:02:18,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:18" (1/1) ... [2019-11-28 01:02:18,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:18" (1/1) ... [2019-11-28 01:02:18,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:18" (1/1) ... [2019-11-28 01:02:18,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:18" (1/1) ... [2019-11-28 01:02:18,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:18" (1/1) ... [2019-11-28 01:02:18,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:18" (1/1) ... [2019-11-28 01:02:18,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:18" (1/1) ... [2019-11-28 01:02:18,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:02:18,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:02:18,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:02:18,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:02:18,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:02:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 01:02:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:02:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:02:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:02:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:02:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:02:18,251 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:02:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:02:18,251 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:02:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:02:18,255 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:02:18,255 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 01:02:18,255 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 01:02:18,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 01:02:18,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:02:18,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:02:18,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:02:18,259 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 01:02:19,456 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:02:19,462 INFO L168 Benchmark]: Toolchain (without parser) took 2276.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -57.9 MB). Peak memory consumption was 76.9 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:19,463 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:19,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 823.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -141.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:19,465 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:19,466 INFO L168 Benchmark]: Boogie Preprocessor took 54.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:19,467 INFO L168 Benchmark]: RCFGBuilder took 1309.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:19,471 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 823.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -141.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.36 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 54.82 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. * RCFGBuilder took 1309.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:02:21,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:02:21,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:02:21,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:02:21,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:02:21,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:02:21,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:02:21,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:02:21,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:02:21,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:02:21,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:02:21,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:02:21,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:02:21,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:02:21,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:02:21,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:02:21,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:02:21,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:02:21,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:02:21,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:02:21,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:02:21,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:02:21,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:02:21,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:02:21,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:02:21,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:02:21,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:02:21,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:02:21,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:02:21,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:02:21,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:02:21,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:02:21,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:02:21,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:02:21,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:02:21,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:02:21,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:02:21,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:02:21,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:02:21,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:02:21,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:02:21,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:02:21,521 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:02:21,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:02:21,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:02:21,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:02:21,527 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:02:21,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:02:21,528 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:02:21,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:02:21,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:02:21,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:02:21,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:02:21,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:02:21,531 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:02:21,531 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:02:21,532 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:02:21,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:02:21,533 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:02:21,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:02:21,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:02:21,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:02:21,535 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:02:21,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:02:21,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:02:21,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:02:21,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:02:21,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:02:21,537 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:02:21,537 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:02:21,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:02:21,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:02:21,538 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 -> a27ead086ef10d57e0cf6ea22c14fd6f1ef8fad2 [2019-11-28 01:02:21,867 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:02:21,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:02:21,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:02:21,886 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:02:21,886 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:02:21,887 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe016_rmo.opt.i [2019-11-28 01:02:21,963 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0b0285f2/e63b25a1660a4616aad5c5e79cc237a0/FLAG222ea762c [2019-11-28 01:02:22,502 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:02:22,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe016_rmo.opt.i [2019-11-28 01:02:22,528 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0b0285f2/e63b25a1660a4616aad5c5e79cc237a0/FLAG222ea762c [2019-11-28 01:02:22,769 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0b0285f2/e63b25a1660a4616aad5c5e79cc237a0 [2019-11-28 01:02:22,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:02:22,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:02:22,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:22,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:02:22,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:02:22,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:22" (1/1) ... [2019-11-28 01:02:22,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1cb90c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:22, skipping insertion in model container [2019-11-28 01:02:22,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:22" (1/1) ... [2019-11-28 01:02:22,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:02:22,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:02:23,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:23,417 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:02:23,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:23,576 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:02:23,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:23 WrapperNode [2019-11-28 01:02:23,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:23,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:23,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:02:23,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:02:23,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:23" (1/1) ... [2019-11-28 01:02:23,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:23" (1/1) ... [2019-11-28 01:02:23,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:23,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:02:23,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:02:23,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:02:23,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:23" (1/1) ... [2019-11-28 01:02:23,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:23" (1/1) ... [2019-11-28 01:02:23,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:23" (1/1) ... [2019-11-28 01:02:23,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:23" (1/1) ... [2019-11-28 01:02:23,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:23" (1/1) ... [2019-11-28 01:02:23,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:23" (1/1) ... [2019-11-28 01:02:23,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:23" (1/1) ... [2019-11-28 01:02:23,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:02:23,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:02:23,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:02:23,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:02:23,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:02:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 01:02:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:02:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:02:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:02:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:02:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 01:02:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:02:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:02:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:02:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:02:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:02:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:02:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 01:02:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 01:02:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:02:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:02:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:02:23,864 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 01:02:25,173 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:02:25,179 INFO L168 Benchmark]: Toolchain (without parser) took 2402.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 945.6 MB in the beginning and 1.0 GB in the end (delta: -69.1 MB). Peak memory consumption was 72.4 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:25,180 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 01:02:25,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:25,183 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:25,184 INFO L168 Benchmark]: Boogie Preprocessor took 112.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:25,185 INFO L168 Benchmark]: RCFGBuilder took 1404.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.0 MB). Peak memory consumption was 77.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:25,188 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 798.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -152.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 112.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1404.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.0 MB). Peak memory consumption was 77.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...