./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread/queue_ok_longest_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_longest_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/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 aa2c25034ea1a0d2d07bdff448f657a3a1ee96fd ...................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_longest_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/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 aa2c25034ea1a0d2d07bdff448f657a3a1ee96fd .................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: null --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 09:37:38,609 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:37:38,610 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:37:38,618 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:37:38,619 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:37:38,619 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:37:38,620 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:37:38,621 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:37:38,622 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:37:38,623 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:37:38,623 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:37:38,624 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:37:38,624 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:37:38,625 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:37:38,626 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:37:38,626 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:37:38,626 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:37:38,627 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:37:38,629 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:37:38,629 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:37:38,630 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:37:38,631 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:37:38,632 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:37:38,633 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:37:38,633 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:37:38,633 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:37:38,634 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:37:38,634 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:37:38,635 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:37:38,635 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:37:38,635 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:37:38,636 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:37:38,636 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:37:38,636 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:37:38,636 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:37:38,637 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:37:38,637 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 09:37:38,646 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:37:38,646 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:37:38,647 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 09:37:38,647 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 09:37:38,647 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 09:37:38,647 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 09:37:38,647 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 09:37:38,647 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 09:37:38,648 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 09:37:38,648 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 09:37:38,648 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 09:37:38,648 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:37:38,648 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 09:37:38,649 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 09:37:38,649 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 09:37:38,649 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:37:38,649 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 09:37:38,649 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 09:37:38,649 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 09:37:38,649 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 09:37:38,649 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:37:38,650 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 09:37:38,650 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:37:38,650 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 09:37:38,650 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 09:37:38,650 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 09:37:38,650 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 09:37:38,650 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:37:38,651 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 09:37:38,651 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 09:37:38,651 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 09:37:38,651 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 09:37:38,651 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 09:37:38,651 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 09:37:38,651 INFO L133 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/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/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 -> aa2c25034ea1a0d2d07bdff448f657a3a1ee96fd [2018-11-10 09:37:38,672 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:37:38,680 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:37:38,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:37:38,683 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:37:38,683 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:37:38,684 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/utaipan/../../sv-benchmarks/c/pthread/queue_ok_longest_true-unreach-call.i [2018-11-10 09:37:38,719 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/utaipan/data/ab060fdfa/7650c3c7b0da44fcb16a3ddacfd76969/FLAGf19539a72 [2018-11-10 09:37:39,171 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:37:39,171 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/sv-benchmarks/c/pthread/queue_ok_longest_true-unreach-call.i [2018-11-10 09:37:39,181 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/utaipan/data/ab060fdfa/7650c3c7b0da44fcb16a3ddacfd76969/FLAGf19539a72 [2018-11-10 09:37:39,191 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/utaipan/data/ab060fdfa/7650c3c7b0da44fcb16a3ddacfd76969 [2018-11-10 09:37:39,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:37:39,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:37:39,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:37:39,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:37:39,197 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:37:39,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:37:39" (1/1) ... [2018-11-10 09:37:39,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@88dc0a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:39, skipping insertion in model container [2018-11-10 09:37:39,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:37:39" (1/1) ... [2018-11-10 09:37:39,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:37:39,236 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:37:39,503 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:37:39,549 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:37:39,586 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:37:39,749 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:37:39,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:39 WrapperNode [2018-11-10 09:37:39,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:37:39,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 09:37:39,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 09:37:39,750 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 09:37:39,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:39" (1/1) ... [2018-11-10 09:37:39,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:39" (1/1) ... [2018-11-10 09:37:39,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 09:37:39,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:37:39,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:37:39,907 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:37:39,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:39" (1/1) ... [2018-11-10 09:37:39,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:39" (1/1) ... [2018-11-10 09:37:39,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:39" (1/1) ... [2018-11-10 09:37:39,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:39" (1/1) ... [2018-11-10 09:37:40,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:39" (1/1) ... [2018-11-10 09:37:40,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:39" (1/1) ... [2018-11-10 09:37:40,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:39" (1/1) ... [2018-11-10 09:37:40,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:37:40,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:37:40,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:37:40,079 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:37:40,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/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 [2018-11-10 09:37:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2018-11-10 09:37:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2018-11-10 09:37:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2018-11-10 09:37:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2018-11-10 09:37:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 09:37:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 09:37:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2018-11-10 09:37:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2018-11-10 09:37:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2018-11-10 09:37:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2018-11-10 09:37:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure init [2018-11-10 09:37:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2018-11-10 09:37:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue [2018-11-10 09:37:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue [2018-11-10 09:37:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 09:37:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 09:37:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:37:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:37:40,133 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-10 09:37:46,138 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:37:46,357 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 09:37:46,358 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 09:37:46,358 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 09:37:46,358 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 09:37:46,359 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 09:37:46,364 INFO L168 Benchmark]: Toolchain (without parser) took 7170.61 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 576.2 MB). Free memory was 957.6 MB in the beginning and 1.5 GB in the end (delta: -494.9 MB). Peak memory consumption was 566.3 MB. Max. memory is 11.5 GB. [2018-11-10 09:37:46,365 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:37:46,366 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.2 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 63.8 MB. Max. memory is 11.5 GB. [2018-11-10 09:37:46,366 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. [2018-11-10 09:37:46,367 INFO L168 Benchmark]: Boogie Preprocessor took 171.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.0 MB). Peak memory consumption was 58.0 MB. Max. memory is 11.5 GB. [2018-11-10 09:37:46,367 INFO L168 Benchmark]: RCFGBuilder took 6284.56 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 389.0 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -421.5 MB). Peak memory consumption was 452.5 MB. Max. memory is 11.5 GB. [2018-11-10 09:37:46,370 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 555.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.2 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 63.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 156.66 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: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 171.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.0 MB). Peak memory consumption was 58.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6284.56 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 389.0 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -421.5 MB). Peak memory consumption was 452.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 09:37:47,814 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:37:47,815 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:37:47,823 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:37:47,823 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:37:47,824 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:37:47,825 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:37:47,826 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:37:47,827 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:37:47,828 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:37:47,828 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:37:47,828 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:37:47,829 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:37:47,830 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:37:47,831 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:37:47,831 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:37:47,832 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:37:47,833 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:37:47,835 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:37:47,836 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:37:47,836 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:37:47,837 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:37:47,839 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:37:47,839 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:37:47,839 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:37:47,840 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:37:47,840 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:37:47,841 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:37:47,842 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:37:47,842 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:37:47,843 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:37:47,843 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:37:47,843 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:37:47,843 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:37:47,844 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:37:47,844 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:37:47,845 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 09:37:47,854 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:37:47,854 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:37:47,855 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 09:37:47,855 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 09:37:47,855 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 09:37:47,855 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 09:37:47,855 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 09:37:47,855 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 09:37:47,856 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:37:47,856 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 09:37:47,856 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 09:37:47,856 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:37:47,856 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 09:37:47,856 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 09:37:47,856 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 09:37:47,856 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 09:37:47,857 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 09:37:47,857 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 09:37:47,857 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:37:47,858 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 09:37:47,858 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:37:47,859 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 09:37:47,859 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 09:37:47,859 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 09:37:47,859 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 09:37:47,859 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:37:47,859 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 09:37:47,859 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 09:37:47,859 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 09:37:47,860 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 09:37:47,860 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 09:37:47,860 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 09:37:47,860 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/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 -> aa2c25034ea1a0d2d07bdff448f657a3a1ee96fd [2018-11-10 09:37:47,888 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:37:47,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:37:47,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:37:47,900 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:37:47,901 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:37:47,901 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/utaipan/../../sv-benchmarks/c/pthread/queue_ok_longest_true-unreach-call.i [2018-11-10 09:37:47,947 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/utaipan/data/237b9402c/87904d286d1f42f2ab49581840308197/FLAG0120cc8bf [2018-11-10 09:37:48,323 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:37:48,323 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/sv-benchmarks/c/pthread/queue_ok_longest_true-unreach-call.i [2018-11-10 09:37:48,335 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/utaipan/data/237b9402c/87904d286d1f42f2ab49581840308197/FLAG0120cc8bf [2018-11-10 09:37:48,344 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/utaipan/data/237b9402c/87904d286d1f42f2ab49581840308197 [2018-11-10 09:37:48,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:37:48,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:37:48,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:37:48,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:37:48,351 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:37:48,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:37:48" (1/1) ... [2018-11-10 09:37:48,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd7b590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:48, skipping insertion in model container [2018-11-10 09:37:48,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:37:48" (1/1) ... [2018-11-10 09:37:48,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:37:48,397 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:37:48,714 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:37:48,760 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:37:48,801 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:37:49,044 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:37:49,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:49 WrapperNode [2018-11-10 09:37:49,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:37:49,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 09:37:49,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 09:37:49,046 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 09:37:49,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:49" (1/1) ... [2018-11-10 09:37:49,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:49" (1/1) ... [2018-11-10 09:37:49,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 09:37:49,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:37:49,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:37:49,220 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:37:49,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:49" (1/1) ... [2018-11-10 09:37:49,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:49" (1/1) ... [2018-11-10 09:37:49,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:49" (1/1) ... [2018-11-10 09:37:49,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:49" (1/1) ... [2018-11-10 09:37:49,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:49" (1/1) ... [2018-11-10 09:37:49,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:49" (1/1) ... [2018-11-10 09:37:49,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:49" (1/1) ... [2018-11-10 09:37:49,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:37:49,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:37:49,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:37:49,384 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:37:49,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:37:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cba18b76-b7b0-44ec-ad46-3e2d2cd2aafa/bin-2019/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 [2018-11-10 09:37:49,420 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2018-11-10 09:37:49,420 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2018-11-10 09:37:49,420 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2018-11-10 09:37:49,420 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2018-11-10 09:37:49,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 09:37:49,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 09:37:49,420 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2018-11-10 09:37:49,421 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2018-11-10 09:37:49,421 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2018-11-10 09:37:49,421 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2018-11-10 09:37:49,421 INFO L130 BoogieDeclarations]: Found specification of procedure init [2018-11-10 09:37:49,421 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2018-11-10 09:37:49,421 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue [2018-11-10 09:37:49,421 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue [2018-11-10 09:37:49,421 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 09:37:49,422 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 09:37:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:37:49,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:37:49,424 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-10 09:38:01,601 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:38:01,778 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 09:38:01,782 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 09:38:01,782 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 09:38:01,782 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 09:38:01,783 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 09:38:01,786 INFO L168 Benchmark]: Toolchain (without parser) took 13438.81 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 507.5 MB). Free memory was 944.3 MB in the beginning and 1.4 GB in the end (delta: -425.8 MB). Peak memory consumption was 543.6 MB. Max. memory is 11.5 GB. [2018-11-10 09:38:01,787 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:38:01,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 944.3 MB in the beginning and 1.2 GB in the end (delta: -214.2 MB). Peak memory consumption was 127.4 MB. Max. memory is 11.5 GB. [2018-11-10 09:38:01,788 INFO L168 Benchmark]: Boogie Procedure Inliner took 174.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. [2018-11-10 09:38:01,789 INFO L168 Benchmark]: Boogie Preprocessor took 162.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-11-10 09:38:01,790 INFO L168 Benchmark]: RCFGBuilder took 12401.90 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 336.6 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -306.8 MB). Peak memory consumption was 491.6 MB. Max. memory is 11.5 GB. [2018-11-10 09:38:01,792 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 696.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 944.3 MB in the beginning and 1.2 GB in the end (delta: -214.2 MB). Peak memory consumption was 127.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 174.63 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: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 162.94 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: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 12401.90 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 336.6 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -306.8 MB). Peak memory consumption was 491.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...