./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/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_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/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_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/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_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/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: AssertionError: null --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 04:16:12,806 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:16:12,807 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:16:12,815 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:16:12,815 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:16:12,816 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:16:12,817 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:16:12,818 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:16:12,819 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:16:12,819 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:16:12,820 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:16:12,820 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:16:12,821 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:16:12,821 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:16:12,822 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:16:12,822 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:16:12,823 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:16:12,824 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:16:12,825 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:16:12,825 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:16:12,826 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:16:12,826 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:16:12,828 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:16:12,828 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:16:12,828 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:16:12,828 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:16:12,829 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:16:12,829 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:16:12,829 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:16:12,830 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:16:12,830 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:16:12,830 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:16:12,830 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:16:12,831 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:16:12,831 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:16:12,831 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:16:12,831 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 04:16:12,838 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:16:12,839 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:16:12,839 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 04:16:12,839 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 04:16:12,839 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 04:16:12,840 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 04:16:12,840 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 04:16:12,840 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 04:16:12,840 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 04:16:12,840 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 04:16:12,840 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 04:16:12,840 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 04:16:12,841 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 04:16:12,841 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:16:12,841 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 04:16:12,841 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 04:16:12,842 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 04:16:12,842 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:16:12,842 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 04:16:12,842 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:16:12,842 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 04:16:12,842 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 04:16:12,842 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 04:16:12,843 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 04:16:12,843 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:16:12,843 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 04:16:12,843 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:16:12,843 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 04:16:12,843 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 04:16:12,844 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:16:12,844 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:16:12,844 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 04:16:12,844 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 04:16:12,844 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:16:12,844 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 04:16:12,844 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 04:16:12,844 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_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/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 [2018-12-02 04:16:12,869 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:16:12,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:16:12,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:16:12,881 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:16:12,881 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:16:12,882 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/bin-2019/utaipan/../../sv-benchmarks/c/pthread/queue_ok_longest_true-unreach-call.i [2018-12-02 04:16:12,927 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/bin-2019/utaipan/data/63ee28200/c0bb0357a1864e4f9a4baa0d33454eb9/FLAG8aa5f0508 [2018-12-02 04:16:13,347 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:16:13,347 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/sv-benchmarks/c/pthread/queue_ok_longest_true-unreach-call.i [2018-12-02 04:16:13,356 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/bin-2019/utaipan/data/63ee28200/c0bb0357a1864e4f9a4baa0d33454eb9/FLAG8aa5f0508 [2018-12-02 04:16:13,364 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/bin-2019/utaipan/data/63ee28200/c0bb0357a1864e4f9a4baa0d33454eb9 [2018-12-02 04:16:13,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:16:13,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:16:13,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:16:13,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:16:13,369 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:16:13,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:16:13" (1/1) ... [2018-12-02 04:16:13,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f79a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:13, skipping insertion in model container [2018-12-02 04:16:13,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:16:13" (1/1) ... [2018-12-02 04:16:13,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:16:13,401 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:16:13,670 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:16:13,714 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:16:13,749 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:16:13,859 INFO L195 MainTranslator]: Completed translation [2018-12-02 04:16:13,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:13 WrapperNode [2018-12-02 04:16:13,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 04:16:13,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 04:16:13,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 04:16:13,860 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 04:16:13,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:13" (1/1) ... [2018-12-02 04:16:13,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:13" (1/1) ... [2018-12-02 04:16:13,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 04:16:13,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 04:16:13,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 04:16:13,934 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 04:16:13,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:13" (1/1) ... [2018-12-02 04:16:13,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:13" (1/1) ... [2018-12-02 04:16:13,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:13" (1/1) ... [2018-12-02 04:16:13,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:13" (1/1) ... [2018-12-02 04:16:13,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:13" (1/1) ... [2018-12-02 04:16:13,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:13" (1/1) ... [2018-12-02 04:16:13,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:13" (1/1) ... [2018-12-02 04:16:13,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 04:16:13,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 04:16:13,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 04:16:13,986 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 04:16:13,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/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 [2018-12-02 04:16:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2018-12-02 04:16:14,021 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2018-12-02 04:16:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2018-12-02 04:16:14,021 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2018-12-02 04:16:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 04:16:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 04:16:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 04:16:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 04:16:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 04:16:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2018-12-02 04:16:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 04:16:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 04:16:14,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 04:16:14,023 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-02 04:16:15,279 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 04:16:15,279 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-02 04:16:15,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:16:15 BoogieIcfgContainer [2018-12-02 04:16:15,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 04:16:15,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 04:16:15,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 04:16:15,283 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 04:16:15,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:16:13" (1/3) ... [2018-12-02 04:16:15,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa271e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:16:15, skipping insertion in model container [2018-12-02 04:16:15,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:13" (2/3) ... [2018-12-02 04:16:15,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa271e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:16:15, skipping insertion in model container [2018-12-02 04:16:15,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:16:15" (3/3) ... [2018-12-02 04:16:15,285 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_ok_longest_true-unreach-call.i [2018-12-02 04:16:15,336 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,336 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,336 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,336 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,336 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,337 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,337 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,337 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,337 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,337 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,337 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,337 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,337 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,337 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,338 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,338 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,338 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,338 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,338 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,338 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,338 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,338 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,338 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,339 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,339 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,339 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,339 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,339 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,339 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,339 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,339 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,339 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,339 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,339 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,339 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,340 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,340 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,340 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,340 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,340 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,340 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,340 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,340 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,340 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,341 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,341 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,341 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,341 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,341 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,341 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,341 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,341 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,342 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,342 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,342 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,342 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,342 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,342 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,342 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,342 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,342 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,342 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,342 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,342 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,343 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,343 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,343 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,343 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,343 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,343 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,343 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,343 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~ret51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,343 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,343 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,343 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,344 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~ret51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,344 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,344 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~ret51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,344 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,344 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,344 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,344 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,344 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,344 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,345 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,345 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,345 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,345 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,345 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,346 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,346 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,346 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,346 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,346 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,346 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,346 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,346 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,347 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,347 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,347 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,347 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,347 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,347 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,347 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,348 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,348 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,348 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,348 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,348 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,348 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,348 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,348 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,348 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,349 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,349 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,349 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,349 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,349 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,349 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,349 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,349 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,349 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,349 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,349 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,350 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,350 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,350 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,350 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,350 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,350 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,350 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,350 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,350 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,350 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,351 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,351 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,351 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,351 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~post53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,351 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,351 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~post53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,351 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,351 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,351 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,351 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,351 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,352 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,352 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,352 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,352 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,352 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,352 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,352 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~post53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,352 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,352 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,352 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,352 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,352 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,352 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,352 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,352 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,352 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,353 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,353 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,353 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,353 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,353 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,353 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,353 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,353 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,353 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,353 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,353 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,353 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,353 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,353 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,354 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,354 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,354 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,354 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,354 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,354 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,354 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,354 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,354 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,354 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,354 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,354 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,355 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,355 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,355 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,355 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,355 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,355 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,355 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,355 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,355 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,355 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,355 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,355 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,355 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,356 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,356 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,356 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,356 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,356 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,356 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,356 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,356 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,356 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,356 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,356 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,356 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:16:15,367 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-02 04:16:15,367 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 04:16:15,375 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-02 04:16:15,388 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-02 04:16:15,411 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 04:16:15,411 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 04:16:15,411 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 04:16:15,411 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 04:16:15,411 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 04:16:15,412 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 04:16:15,412 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 04:16:15,412 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 04:16:15,436 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 1792places, 1804 transitions [2018-12-02 04:16:15,584 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 12389 states. [2018-12-02 04:16:15,586 INFO L276 IsEmpty]: Start isEmpty. Operand 12389 states. [2018-12-02 04:16:15,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1647 [2018-12-02 04:16:15,644 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:16:15,646 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:16:15,648 INFO L423 AbstractCegarLoop]: === Iteration 1 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:16:15,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:16:15,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1885825437, now seen corresponding path program 1 times [2018-12-02 04:16:15,653 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:16:15,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:16:15,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:16:15,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:16:15,692 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:16:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:16:17,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:16:17,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:16:17,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 04:16:17,025 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:16:17,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 04:16:17,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 04:16:17,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 04:16:17,042 INFO L87 Difference]: Start difference. First operand 12389 states. Second operand 2 states. [2018-12-02 04:16:17,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:16:17,135 INFO L93 Difference]: Finished difference Result 12386 states and 30955 transitions. [2018-12-02 04:16:17,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 04:16:17,136 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1646 [2018-12-02 04:16:17,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:16:17,179 INFO L225 Difference]: With dead ends: 12386 [2018-12-02 04:16:17,179 INFO L226 Difference]: Without dead ends: 11351 [2018-12-02 04:16:17,181 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 04:16:17,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11351 states. [2018-12-02 04:16:17,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11351 to 11351. [2018-12-02 04:16:17,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11351 states. [2018-12-02 04:16:17,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11351 states to 11351 states and 28128 transitions. [2018-12-02 04:16:17,413 INFO L78 Accepts]: Start accepts. Automaton has 11351 states and 28128 transitions. Word has length 1646 [2018-12-02 04:16:17,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:16:17,415 INFO L480 AbstractCegarLoop]: Abstraction has 11351 states and 28128 transitions. [2018-12-02 04:16:17,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 04:16:17,416 INFO L276 IsEmpty]: Start isEmpty. Operand 11351 states and 28128 transitions. [2018-12-02 04:16:17,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1700 [2018-12-02 04:16:17,433 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:16:17,433 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:16:17,434 INFO L423 AbstractCegarLoop]: === Iteration 2 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:16:17,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:16:17,434 INFO L82 PathProgramCache]: Analyzing trace with hash -2076683131, now seen corresponding path program 1 times [2018-12-02 04:16:17,434 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:16:17,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:16:17,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:16:17,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:16:17,436 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:16:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:16:18,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:16:18,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:16:18,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 04:16:18,505 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:16:18,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 04:16:18,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 04:16:18,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:16:18,509 INFO L87 Difference]: Start difference. First operand 11351 states and 28128 transitions. Second operand 3 states. [2018-12-02 04:16:18,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:16:18,553 INFO L93 Difference]: Finished difference Result 3518 states and 6121 transitions. [2018-12-02 04:16:18,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 04:16:18,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1699 [2018-12-02 04:16:18,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:16:18,560 INFO L225 Difference]: With dead ends: 3518 [2018-12-02 04:16:18,560 INFO L226 Difference]: Without dead ends: 3431 [2018-12-02 04:16:18,561 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:16:18,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3431 states. [2018-12-02 04:16:18,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3431 to 3431. [2018-12-02 04:16:18,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3431 states. [2018-12-02 04:16:18,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3431 states to 3431 states and 5922 transitions. [2018-12-02 04:16:18,595 INFO L78 Accepts]: Start accepts. Automaton has 3431 states and 5922 transitions. Word has length 1699 [2018-12-02 04:16:18,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:16:18,596 INFO L480 AbstractCegarLoop]: Abstraction has 3431 states and 5922 transitions. [2018-12-02 04:16:18,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 04:16:18,597 INFO L276 IsEmpty]: Start isEmpty. Operand 3431 states and 5922 transitions. [2018-12-02 04:16:18,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1710 [2018-12-02 04:16:18,608 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:16:18,609 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:16:18,609 INFO L423 AbstractCegarLoop]: === Iteration 3 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:16:18,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:16:18,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1113039924, now seen corresponding path program 1 times [2018-12-02 04:16:18,610 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:16:18,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:16:18,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:16:18,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:16:18,612 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:16:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:16:19,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:16:19,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:16:19,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 04:16:19,556 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:16:19,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 04:16:19,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 04:16:19,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:16:19,557 INFO L87 Difference]: Start difference. First operand 3431 states and 5922 transitions. Second operand 3 states. [2018-12-02 04:16:19,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:16:19,588 INFO L93 Difference]: Finished difference Result 4043 states and 7402 transitions. [2018-12-02 04:16:19,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 04:16:19,589 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1709 [2018-12-02 04:16:19,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:16:19,602 INFO L225 Difference]: With dead ends: 4043 [2018-12-02 04:16:19,602 INFO L226 Difference]: Without dead ends: 4043 [2018-12-02 04:16:19,602 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:16:19,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4043 states. [2018-12-02 04:16:19,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4043 to 3449. [2018-12-02 04:16:19,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3449 states. [2018-12-02 04:16:19,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3449 states to 3449 states and 5965 transitions. [2018-12-02 04:16:19,642 INFO L78 Accepts]: Start accepts. Automaton has 3449 states and 5965 transitions. Word has length 1709 [2018-12-02 04:16:19,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:16:19,643 INFO L480 AbstractCegarLoop]: Abstraction has 3449 states and 5965 transitions. [2018-12-02 04:16:19,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 04:16:19,644 INFO L276 IsEmpty]: Start isEmpty. Operand 3449 states and 5965 transitions. [2018-12-02 04:16:19,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1739 [2018-12-02 04:16:19,655 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:16:19,656 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:16:19,656 INFO L423 AbstractCegarLoop]: === Iteration 4 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:16:19,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:16:19,657 INFO L82 PathProgramCache]: Analyzing trace with hash 428054118, now seen corresponding path program 1 times [2018-12-02 04:16:19,657 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:16:19,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:16:19,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:16:19,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:16:19,658 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:16:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:16:20,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:16:20,687 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:16:20,687 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 04:16:20,688 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.UnsupportedOperationException: AbsInt only supports BoogieIcfgLocations and Codeblocks at the moment at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.handleInfeasibleCase(BaseRefinementStrategy.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:206) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) Caused by: java.lang.UnsupportedOperationException: AbsInt only supports BoogieIcfgLocations and Codeblocks at the moment at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.constructInterpolantGenerator(BaseTaipanRefinementStrategy.java:379) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getInterpolantGenerator(BaseTaipanRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:380) ... 20 more [2018-12-02 04:16:20,691 INFO L168 Benchmark]: Toolchain (without parser) took 7324.60 ms. Allocated memory was 1.0 GB in the beginning and 3.5 GB in the end (delta: 2.4 GB). Free memory was 947.0 MB in the beginning and 1.6 GB in the end (delta: -643.4 MB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-12-02 04:16:20,692 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:16:20,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 492.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -97.6 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-12-02 04:16:20,693 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-02 04:16:20,693 INFO L168 Benchmark]: Boogie Preprocessor took 51.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 04:16:20,694 INFO L168 Benchmark]: RCFGBuilder took 1294.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 979.1 MB in the end (delta: 33.3 MB). Peak memory consumption was 187.9 MB. Max. memory is 11.5 GB. [2018-12-02 04:16:20,694 INFO L168 Benchmark]: TraceAbstraction took 5409.73 ms. Allocated memory was 1.1 GB in the beginning and 3.5 GB in the end (delta: 2.3 GB). Free memory was 979.1 MB in the beginning and 1.6 GB in the end (delta: -611.2 MB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2018-12-02 04:16:20,696 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 492.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -97.6 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1294.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 979.1 MB in the end (delta: 33.3 MB). Peak memory consumption was 187.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5409.73 ms. Allocated memory was 1.1 GB in the beginning and 3.5 GB in the end (delta: 2.3 GB). Free memory was 979.1 MB in the beginning and 1.6 GB in the end (delta: -611.2 MB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.UnsupportedOperationException: AbsInt only supports BoogieIcfgLocations and Codeblocks at the moment de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.UnsupportedOperationException: AbsInt only supports BoogieIcfgLocations and Codeblocks at the moment: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 04:16:22,074 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:16:22,075 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:16:22,081 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:16:22,081 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:16:22,082 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:16:22,082 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:16:22,083 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:16:22,084 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:16:22,084 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:16:22,085 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:16:22,085 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:16:22,085 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:16:22,086 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:16:22,086 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:16:22,087 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:16:22,087 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:16:22,088 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:16:22,089 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:16:22,090 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:16:22,090 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:16:22,091 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:16:22,092 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:16:22,092 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:16:22,092 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:16:22,093 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:16:22,093 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:16:22,094 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:16:22,094 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:16:22,094 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:16:22,095 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:16:22,095 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:16:22,095 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:16:22,095 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:16:22,096 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:16:22,096 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:16:22,096 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 04:16:22,103 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:16:22,103 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:16:22,104 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 04:16:22,104 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 04:16:22,104 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 04:16:22,104 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 04:16:22,104 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 04:16:22,105 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 04:16:22,105 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 04:16:22,105 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 04:16:22,105 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:16:22,105 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 04:16:22,105 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 04:16:22,106 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:16:22,106 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 04:16:22,106 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:16:22,106 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 04:16:22,106 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 04:16:22,106 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 04:16:22,106 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 04:16:22,106 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 04:16:22,107 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 04:16:22,107 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 04:16:22,107 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:16:22,107 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 04:16:22,107 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:16:22,107 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 04:16:22,107 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 04:16:22,108 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:16:22,108 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:16:22,108 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 04:16:22,108 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 04:16:22,108 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:16:22,108 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 04:16:22,108 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 04:16:22,108 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_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/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 [2018-12-02 04:16:22,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:16:22,134 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:16:22,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:16:22,137 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:16:22,137 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:16:22,137 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/bin-2019/utaipan/../../sv-benchmarks/c/pthread/queue_ok_longest_true-unreach-call.i [2018-12-02 04:16:22,174 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/bin-2019/utaipan/data/e7bc89f04/632503cafdc5404584445771c369b327/FLAG96f8a97bd [2018-12-02 04:16:22,621 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:16:22,621 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/sv-benchmarks/c/pthread/queue_ok_longest_true-unreach-call.i [2018-12-02 04:16:22,628 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/bin-2019/utaipan/data/e7bc89f04/632503cafdc5404584445771c369b327/FLAG96f8a97bd [2018-12-02 04:16:22,636 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e572a868-5a10-4a7c-b6aa-a538c85ecc5f/bin-2019/utaipan/data/e7bc89f04/632503cafdc5404584445771c369b327 [2018-12-02 04:16:22,638 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:16:22,639 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:16:22,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:16:22,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:16:22,642 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:16:22,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:16:22" (1/1) ... [2018-12-02 04:16:22,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d6b1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:16:22, skipping insertion in model container [2018-12-02 04:16:22,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:16:22" (1/1) ... [2018-12-02 04:16:22,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:16:22,670 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:16:22,903 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:16:22,982 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:16:23,009 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:16:23,011 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CTranslationUtil.extractNonAggregateNonUnionTypes(CTranslationUtil.java:470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.getInitializationForOnHeapVariableOfAggregateOrUnionType(MemoryHandler.java:2813) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.makeOnHeapDefaultInitializationViaConstArray(InitializationHandler.java:814) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:254) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.InitializationHandler.initialize(InitializationHandler.java:194) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.PostProcessor.createUltimateInitProcedure(PostProcessor.java:639) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.PostProcessor.postProcess(PostProcessor.java:205) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:566) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:230) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-02 04:16:23,014 INFO L168 Benchmark]: Toolchain (without parser) took 374.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -188.5 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. [2018-12-02 04:16:23,015 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:16:23,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -188.5 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. [2018-12-02 04:16:23,016 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 373.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -188.5 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CTranslationUtil.extractNonAggregateNonUnionTypes(CTranslationUtil.java:470) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...