./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 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/qw2004_variant.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan --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 Taipan --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/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/qw2004_variant.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan --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 Taipan --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 0.1.24-6b5699a [2019-11-26 02:19:21,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:19:21,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:19:21,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:19:21,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:19:21,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:19:21,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:19:21,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:19:21,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:19:21,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:19:21,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:19:21,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:19:21,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:19:21,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:19:21,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:19:21,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:19:21,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:19:21,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:19:21,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:19:21,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:19:21,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:19:21,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:19:21,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:19:21,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:19:21,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:19:21,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:19:21,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:19:21,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:19:21,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:19:21,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:19:21,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:19:21,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:19:21,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:19:21,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:19:21,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:19:21,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:19:21,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:19:21,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:19:21,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:19:21,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:19:21,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:19:21,485 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:19:21,509 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:19:21,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:19:21,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:19:21,510 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:19:21,510 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:19:21,510 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:19:21,510 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:19:21,511 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:19:21,511 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:19:21,511 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:19:21,511 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:19:21,511 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:19:21,511 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:19:21,512 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:19:21,512 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:19:21,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:19:21,512 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:19:21,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:19:21,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:19:21,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:19:21,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:19:21,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:19:21,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:19:21,514 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:19:21,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:19:21,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:19:21,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:19:21,514 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:19:21,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:19:21,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:19:21,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:19:21,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:19:21,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:19:21,525 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:19:21,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:19:21,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:19:21,526 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:19:21,526 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan 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 -> Taipan 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 [2019-11-26 02:19:21,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:19:21,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:19:21,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:19:21,712 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:19:21,712 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:19:21,713 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan/../../sv-benchmarks/c/pthread-lit/qw2004_variant.i [2019-11-26 02:19:21,772 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan/data/37e08bf66/b28ba92941f64d73ae7f0dc545e385ed/FLAGa631b9ad4 [2019-11-26 02:19:22,284 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:19:22,285 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/sv-benchmarks/c/pthread-lit/qw2004_variant.i [2019-11-26 02:19:22,303 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan/data/37e08bf66/b28ba92941f64d73ae7f0dc545e385ed/FLAGa631b9ad4 [2019-11-26 02:19:22,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan/data/37e08bf66/b28ba92941f64d73ae7f0dc545e385ed [2019-11-26 02:19:22,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:19:22,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:19:22,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:19:22,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:19:22,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:19:22,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:19:22" (1/1) ... [2019-11-26 02:19:22,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57be0430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:22, skipping insertion in model container [2019-11-26 02:19:22,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:19:22" (1/1) ... [2019-11-26 02:19:22,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:19:22,807 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:19:23,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:19:23,206 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:19:23,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:19:23,333 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:19:23,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:23 WrapperNode [2019-11-26 02:19:23,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:19:23,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:19:23,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:19:23,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:19:23,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:23" (1/1) ... [2019-11-26 02:19:23,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:23" (1/1) ... [2019-11-26 02:19:23,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:19:23,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:19:23,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:19:23,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:19:23,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:23" (1/1) ... [2019-11-26 02:19:23,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:23" (1/1) ... [2019-11-26 02:19:23,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:23" (1/1) ... [2019-11-26 02:19:23,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:23" (1/1) ... [2019-11-26 02:19:23,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:23" (1/1) ... [2019-11-26 02:19:23,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:23" (1/1) ... [2019-11-26 02:19:23,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:23" (1/1) ... [2019-11-26 02:19:23,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:19:23,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:19:23,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:19:23,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:19:23,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan/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 [2019-11-26 02:19:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2019-11-26 02:19:23,480 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2019-11-26 02:19:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:19:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-26 02:19:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:19:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:19:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpAdd [2019-11-26 02:19:23,482 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpAdd [2019-11-26 02:19:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-26 02:19:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:19:23,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:19:23,484 WARN L202 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-26 02:19:23,757 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$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1255) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processStatement(CfgBuilder.java:791) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:618) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:567) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2019-11-26 02:19:23,761 INFO L168 Benchmark]: Toolchain (without parser) took 1024.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -122.8 MB). Peak memory consumption was 2.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:23,761 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:19:23,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:23,763 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.40 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. [2019-11-26 02:19:23,765 INFO L168 Benchmark]: Boogie Preprocessor took 27.37 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. [2019-11-26 02:19:23,766 INFO L168 Benchmark]: RCFGBuilder took 339.29 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: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:23,769 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 594.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.40 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 339.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: already ended atomic mode de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: already ended atomic mode: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1255) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-26 02:19:25,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:19:25,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:19:25,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:19:25,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:19:25,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:19:25,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:19:25,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:19:25,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:19:25,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:19:25,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:19:25,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:19:25,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:19:25,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:19:25,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:19:25,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:19:25,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:19:25,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:19:25,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:19:25,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:19:25,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:19:25,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:19:25,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:19:25,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:19:25,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:19:25,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:19:25,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:19:25,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:19:25,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:19:25,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:19:25,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:19:25,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:19:25,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:19:25,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:19:25,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:19:25,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:19:25,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:19:25,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:19:25,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:19:25,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:19:25,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:19:25,714 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-11-26 02:19:25,727 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:19:25,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:19:25,728 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:19:25,728 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:19:25,729 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:19:25,729 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:19:25,729 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:19:25,729 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:19:25,729 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:19:25,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:19:25,730 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:19:25,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:19:25,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:19:25,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:19:25,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:19:25,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:19:25,732 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:19:25,732 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:19:25,732 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:19:25,733 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:19:25,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:19:25,733 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:19:25,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:19:25,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:19:25,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:19:25,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:19:25,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:19:25,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:19:25,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:19:25,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:19:25,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:19:25,735 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:19:25,735 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:19:25,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:19:25,736 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:19:25,736 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/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan 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 -> Taipan 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 [2019-11-26 02:19:26,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:19:26,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:19:26,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:19:26,102 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:19:26,103 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:19:26,103 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan/../../sv-benchmarks/c/pthread-lit/qw2004_variant.i [2019-11-26 02:19:26,157 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan/data/75d4da689/e55672f23ebf40fbb9b1e036f091843c/FLAGa7db1d03c [2019-11-26 02:19:26,649 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:19:26,651 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/sv-benchmarks/c/pthread-lit/qw2004_variant.i [2019-11-26 02:19:26,664 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan/data/75d4da689/e55672f23ebf40fbb9b1e036f091843c/FLAGa7db1d03c [2019-11-26 02:19:26,976 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan/data/75d4da689/e55672f23ebf40fbb9b1e036f091843c [2019-11-26 02:19:26,979 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:19:26,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:19:26,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:19:26,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:19:26,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:19:26,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:19:26" (1/1) ... [2019-11-26 02:19:26,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ddd5e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:26, skipping insertion in model container [2019-11-26 02:19:26,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:19:26" (1/1) ... [2019-11-26 02:19:26,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:19:27,056 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:19:27,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:19:27,494 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:19:27,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:19:27,645 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:19:27,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:27 WrapperNode [2019-11-26 02:19:27,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:19:27,647 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:19:27,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:19:27,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:19:27,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:27" (1/1) ... [2019-11-26 02:19:27,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:27" (1/1) ... [2019-11-26 02:19:27,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:19:27,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:19:27,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:19:27,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:19:27,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:27" (1/1) ... [2019-11-26 02:19:27,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:27" (1/1) ... [2019-11-26 02:19:27,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:27" (1/1) ... [2019-11-26 02:19:27,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:27" (1/1) ... [2019-11-26 02:19:27,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:27" (1/1) ... [2019-11-26 02:19:27,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:27" (1/1) ... [2019-11-26 02:19:27,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:27" (1/1) ... [2019-11-26 02:19:27,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:19:27,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:19:27,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:19:27,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:19:27,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a14f6435-51f5-4feb-ae19-73dffda3b74f/bin/utaipan/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 [2019-11-26 02:19:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2019-11-26 02:19:27,800 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2019-11-26 02:19:27,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-26 02:19:27,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:19:27,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:19:27,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-26 02:19:27,801 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpAdd [2019-11-26 02:19:27,801 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpAdd [2019-11-26 02:19:27,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-26 02:19:27,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:19:27,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:19:27,804 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-26 02:19:28,005 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$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1255) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processStatement(CfgBuilder.java:791) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:618) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:567) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2019-11-26 02:19:28,009 INFO L168 Benchmark]: Toolchain (without parser) took 1028.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 182.5 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -177.5 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:28,010 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:19:28,011 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 182.5 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -200.9 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:28,011 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:28,012 INFO L168 Benchmark]: Boogie Preprocessor took 44.60 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. [2019-11-26 02:19:28,013 INFO L168 Benchmark]: RCFGBuilder took 264.41 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:28,015 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 664.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 182.5 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -200.9 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 264.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: already ended atomic mode de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: already ended atomic mode: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.processCallStatement(CfgBuilder.java:1255) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...