./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-lit/qw2004_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-lit/qw2004_variant.i -s /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer --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 1953052a35542fc4370e7730ae7762f1486f1475 .......................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-lit/qw2004_variant.i -s /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer --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 1953052a35542fc4370e7730ae7762f1486f1475 ............................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: already ended atomic mode --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:58:28,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:28,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:28,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:28,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:28,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:28,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:28,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:28,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:28,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:28,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:28,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:28,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:28,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:28,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:28,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:28,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:28,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:28,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:28,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:28,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:28,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:28,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:28,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:28,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:28,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:28,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:28,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:28,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:28,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:28,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:28,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:28,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:28,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:28,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:28,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:28,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:28,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:28,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:28,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:28,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:28,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:58:28,149 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:28,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:28,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:28,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:28,151 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:28,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:28,152 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:58:28,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:28,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:58:28,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:28,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:58:28,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:58:28,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:58:28,153 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:58:28,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:28,153 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:28,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:58:28,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:28,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:28,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:58:28,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:58:28,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:28,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:28,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:58:28,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:58:28,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:28,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:58:28,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:58:28,157 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer 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 -> 1953052a35542fc4370e7730ae7762f1486f1475 [2019-10-22 08:58:28,190 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:28,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:28,205 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:28,207 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:28,207 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:28,208 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer/../../sv-benchmarks/c/pthread-lit/qw2004_variant.i [2019-10-22 08:58:28,265 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer/data/72cc0d4ff/51e09fdcbd4744fda4daab84a4f64144/FLAGe13cd4c96 [2019-10-22 08:58:28,691 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:28,692 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/sv-benchmarks/c/pthread-lit/qw2004_variant.i [2019-10-22 08:58:28,703 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer/data/72cc0d4ff/51e09fdcbd4744fda4daab84a4f64144/FLAGe13cd4c96 [2019-10-22 08:58:28,714 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer/data/72cc0d4ff/51e09fdcbd4744fda4daab84a4f64144 [2019-10-22 08:58:28,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:28,717 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:28,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:28,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:28,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:28,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:28" (1/1) ... [2019-10-22 08:58:28,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45f11cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:28, skipping insertion in model container [2019-10-22 08:58:28,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:28" (1/1) ... [2019-10-22 08:58:28,732 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:28,770 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:29,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:29,213 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:29,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:29,328 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:29,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:29 WrapperNode [2019-10-22 08:58:29,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:29,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:29,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:29,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:29,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:29" (1/1) ... [2019-10-22 08:58:29,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:29" (1/1) ... [2019-10-22 08:58:29,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:29,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:29,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:29,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:29,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:29" (1/1) ... [2019-10-22 08:58:29,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:29" (1/1) ... [2019-10-22 08:58:29,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:29" (1/1) ... [2019-10-22 08:58:29,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:29" (1/1) ... [2019-10-22 08:58:29,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:29" (1/1) ... [2019-10-22 08:58:29,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:29" (1/1) ... [2019-10-22 08:58:29,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:29" (1/1) ... [2019-10-22 08:58:29,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:29,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:29,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:29,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:29,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer/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 [2019-10-22 08:58:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2019-10-22 08:58:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2019-10-22 08:58:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:58:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-10-22 08:58:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:58:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:58:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpAdd [2019-10-22 08:58:29,465 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpAdd [2019-10-22 08:58:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-10-22 08:58:29,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:29,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:29,468 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 08:58:29,639 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.AssertionError: already ended atomic mode at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1252) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processStatement(CfgBuilder.java:788) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:615) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:564) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2019-10-22 08:58:29,644 INFO L168 Benchmark]: Toolchain (without parser) took 925.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -142.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:29,644 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:29,645 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:29,646 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.85 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: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:29,647 INFO L168 Benchmark]: Boogie Preprocessor took 34.54 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. [2019-10-22 08:58:29,647 INFO L168 Benchmark]: RCFGBuilder took 234.65 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: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:29,650 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 608.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 234.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: already ended atomic mode de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: already ended atomic mode: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1252) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 08:58:31,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:31,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:31,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:31,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:31,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:31,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:31,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:31,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:31,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:31,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:31,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:31,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:31,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:31,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:31,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:31,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:31,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:31,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:31,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:31,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:31,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:31,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:31,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:31,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:31,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:31,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:31,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:31,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:31,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:31,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:31,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:31,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:31,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:31,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:31,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:31,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:31,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:31,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:31,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:31,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:31,749 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 08:58:31,762 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:31,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:31,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:31,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:31,764 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:31,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:31,765 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:58:31,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:58:31,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:31,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:58:31,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:58:31,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:58:31,767 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 08:58:31,767 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 08:58:31,767 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:58:31,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:31,768 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:31,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:58:31,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:31,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:31,768 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:58:31,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:58:31,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:31,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:31,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:58:31,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:58:31,769 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 08:58:31,770 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 08:58:31,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:58:31,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 08:58:31,770 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer 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 -> 1953052a35542fc4370e7730ae7762f1486f1475 [2019-10-22 08:58:31,819 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:31,829 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:31,835 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:31,836 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:31,837 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:31,837 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer/../../sv-benchmarks/c/pthread-lit/qw2004_variant.i [2019-10-22 08:58:31,892 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer/data/5e575ef3f/3ed36d2cf38141aeb7f86d45c5ab2cdd/FLAG0b15006ae [2019-10-22 08:58:32,291 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:32,291 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/sv-benchmarks/c/pthread-lit/qw2004_variant.i [2019-10-22 08:58:32,302 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer/data/5e575ef3f/3ed36d2cf38141aeb7f86d45c5ab2cdd/FLAG0b15006ae [2019-10-22 08:58:32,630 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer/data/5e575ef3f/3ed36d2cf38141aeb7f86d45c5ab2cdd [2019-10-22 08:58:32,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:32,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:32,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:32,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:32,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:32,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:32" (1/1) ... [2019-10-22 08:58:32,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a5015dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:32, skipping insertion in model container [2019-10-22 08:58:32,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:32" (1/1) ... [2019-10-22 08:58:32,651 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:32,702 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:33,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:33,169 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:33,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:33,269 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:33,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:33 WrapperNode [2019-10-22 08:58:33,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:33,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:33,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:33,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:33,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:33" (1/1) ... [2019-10-22 08:58:33,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:33" (1/1) ... [2019-10-22 08:58:33,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:33,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:33,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:33,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:33,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:33" (1/1) ... [2019-10-22 08:58:33,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:33" (1/1) ... [2019-10-22 08:58:33,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:33" (1/1) ... [2019-10-22 08:58:33,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:33" (1/1) ... [2019-10-22 08:58:33,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:33" (1/1) ... [2019-10-22 08:58:33,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:33" (1/1) ... [2019-10-22 08:58:33,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:33" (1/1) ... [2019-10-22 08:58:33,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:33,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:33,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:33,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:33,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_648e1185-2a01-494b-abc7-b78c1a0ccee9/bin/uautomizer/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 [2019-10-22 08:58:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2019-10-22 08:58:33,410 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2019-10-22 08:58:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-10-22 08:58:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:58:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:58:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 08:58:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpAdd [2019-10-22 08:58:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpAdd [2019-10-22 08:58:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-10-22 08:58:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:33,413 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 08:58:33,625 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.AssertionError: already ended atomic mode at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1252) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processStatement(CfgBuilder.java:788) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:615) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:564) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2019-10-22 08:58:33,629 INFO L168 Benchmark]: Toolchain (without parser) took 992.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -107.4 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:33,629 INFO L168 Benchmark]: CDTParser took 1.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:33,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -132.0 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:33,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.29 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:33,631 INFO L168 Benchmark]: Boogie Preprocessor took 44.02 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. [2019-10-22 08:58:33,632 INFO L168 Benchmark]: RCFGBuilder took 266.77 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: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:33,634 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 633.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -132.0 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.02 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 266.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: already ended atomic mode de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: already ended atomic mode: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1252) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...