./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/queue_ok_longer_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_4790e101-691e-4cde-ad1c-16175f8439f7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_longer_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/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 e3e5a0173ce12c5ff8bb2bd5d43d8d4d784bb4c2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_4790e101-691e-4cde-ad1c-16175f8439f7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_longer_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/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 e3e5a0173ce12c5ff8bb2bd5d43d8d4d784bb4c2 ....................................................................................................................................................................... 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 14:31:11,491 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:31:11,492 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:31:11,498 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:31:11,498 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:31:11,498 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:31:11,499 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:31:11,500 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:31:11,501 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:31:11,501 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:31:11,501 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:31:11,501 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:31:11,502 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:31:11,502 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:31:11,503 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:31:11,503 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:31:11,504 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:31:11,504 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:31:11,505 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:31:11,506 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:31:11,507 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:31:11,507 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:31:11,508 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:31:11,508 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:31:11,508 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:31:11,509 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:31:11,509 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:31:11,510 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:31:11,510 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:31:11,511 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:31:11,511 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:31:11,511 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:31:11,511 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:31:11,511 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:31:11,512 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:31:11,512 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:31:11,512 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 14:31:11,519 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:31:11,519 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:31:11,520 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:31:11,520 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 14:31:11,520 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 14:31:11,520 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 14:31:11,520 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 14:31:11,520 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 14:31:11,520 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 14:31:11,520 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 14:31:11,520 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 14:31:11,520 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 14:31:11,520 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 14:31:11,521 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:31:11,521 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:31:11,521 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 14:31:11,521 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:31:11,521 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:31:11,521 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:31:11,521 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:31:11,521 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:31:11,521 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:31:11,521 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:31:11,522 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:31:11,522 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:31:11,522 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 14:31:11,522 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:31:11,522 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 14:31:11,522 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 14:31:11,522 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:31:11,522 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:31:11,522 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:31:11,522 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 14:31:11,522 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:31:11,522 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 14:31:11,523 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 14:31:11,523 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_4790e101-691e-4cde-ad1c-16175f8439f7/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 -> e3e5a0173ce12c5ff8bb2bd5d43d8d4d784bb4c2 [2018-12-02 14:31:11,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:31:11,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:31:11,548 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:31:11,549 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:31:11,549 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:31:11,550 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/bin-2019/utaipan/../../sv-benchmarks/c/pthread/queue_ok_longer_true-unreach-call.i [2018-12-02 14:31:11,591 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/bin-2019/utaipan/data/3bea002fd/aaf7cce64d82406aa460fa9cb36e9818/FLAGc65441b53 [2018-12-02 14:31:12,019 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:31:12,019 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/sv-benchmarks/c/pthread/queue_ok_longer_true-unreach-call.i [2018-12-02 14:31:12,027 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/bin-2019/utaipan/data/3bea002fd/aaf7cce64d82406aa460fa9cb36e9818/FLAGc65441b53 [2018-12-02 14:31:12,035 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/bin-2019/utaipan/data/3bea002fd/aaf7cce64d82406aa460fa9cb36e9818 [2018-12-02 14:31:12,037 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:31:12,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:31:12,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:31:12,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:31:12,040 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:31:12,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:31:12" (1/1) ... [2018-12-02 14:31:12,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7014c445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:12, skipping insertion in model container [2018-12-02 14:31:12,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:31:12" (1/1) ... [2018-12-02 14:31:12,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:31:12,068 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:31:12,319 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:31:12,348 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:31:12,374 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:31:12,452 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:31:12,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:12 WrapperNode [2018-12-02 14:31:12,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:31:12,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:31:12,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:31:12,453 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:31:12,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:12" (1/1) ... [2018-12-02 14:31:12,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:12" (1/1) ... [2018-12-02 14:31:12,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:31:12,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:31:12,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:31:12,531 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:31:12,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:12" (1/1) ... [2018-12-02 14:31:12,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:12" (1/1) ... [2018-12-02 14:31:12,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:12" (1/1) ... [2018-12-02 14:31:12,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:12" (1/1) ... [2018-12-02 14:31:12,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:12" (1/1) ... [2018-12-02 14:31:12,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:12" (1/1) ... [2018-12-02 14:31:12,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:12" (1/1) ... [2018-12-02 14:31:12,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:31:12,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:31:12,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:31:12,589 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:31:12,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/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 14:31:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2018-12-02 14:31:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2018-12-02 14:31:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2018-12-02 14:31:12,630 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2018-12-02 14:31:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 14:31:12,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 14:31:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 14:31:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 14:31:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 14:31:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2018-12-02 14:31:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 14:31:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:31:12,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:31:12,632 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 14:31:13,443 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:31:13,443 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-02 14:31:13,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:31:13 BoogieIcfgContainer [2018-12-02 14:31:13,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:31:13,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 14:31:13,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 14:31:13,447 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 14:31:13,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:31:12" (1/3) ... [2018-12-02 14:31:13,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d744a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:31:13, skipping insertion in model container [2018-12-02 14:31:13,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:12" (2/3) ... [2018-12-02 14:31:13,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d744a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:31:13, skipping insertion in model container [2018-12-02 14:31:13,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:31:13" (3/3) ... [2018-12-02 14:31:13,449 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_ok_longer_true-unreach-call.i [2018-12-02 14:31:13,491 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,492 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,492 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,492 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,492 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,492 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,493 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,493 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,493 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,493 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,493 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,493 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,493 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,493 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,494 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,494 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,494 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,494 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,494 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,494 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,494 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,496 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,496 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,496 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,496 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,496 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,497 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,497 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,497 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,497 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,497 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,497 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,497 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,498 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,498 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,498 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,498 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,498 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,498 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,498 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,499 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,499 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,499 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,499 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,499 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,499 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,499 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,500 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,500 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,500 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,500 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,500 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,500 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,500 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,501 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,501 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,501 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,501 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,501 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,501 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,501 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,501 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,502 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,502 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,502 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,502 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,502 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,502 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,503 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,503 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,503 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,503 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~ret51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,503 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,503 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,503 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,504 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~ret51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,504 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,504 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~ret51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,504 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_enqueue_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,504 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,504 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,505 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,505 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,505 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,505 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,505 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,506 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,506 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,506 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,506 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,506 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,506 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,506 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,507 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,507 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,507 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,507 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,507 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,507 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,508 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,508 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,508 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,508 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,508 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,508 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,508 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,508 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,509 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,509 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,509 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,509 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,509 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,509 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,509 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,510 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,510 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,510 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,510 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,510 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,510 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,510 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,510 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,511 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,511 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,511 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,511 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,511 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,511 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,511 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,512 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,512 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,512 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,512 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,512 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,512 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,512 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,513 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,513 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~post53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,513 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,513 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~post53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,513 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,513 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,513 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,513 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,514 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,514 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,514 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,514 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,514 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,514 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,514 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,514 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~post53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,514 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,515 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,515 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,515 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,515 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,515 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,515 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,515 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,515 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,516 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,516 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,516 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,516 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,516 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,516 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,516 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,516 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,517 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,517 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,517 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,517 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,517 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,517 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,517 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,518 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,518 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,518 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,518 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,518 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,518 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,518 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,519 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,519 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,519 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,519 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,519 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,519 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,519 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,519 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,520 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,520 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,520 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,520 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,520 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,520 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,520 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,520 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,521 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,521 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,521 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,521 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,521 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dequeue_#t~post47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,521 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,521 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~mem56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,522 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:31:13,558 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-02 14:31:13,558 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 14:31:13,566 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-02 14:31:13,580 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-02 14:31:13,603 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 14:31:13,603 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 14:31:13,603 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 14:31:13,603 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 14:31:13,603 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 14:31:13,603 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 14:31:13,604 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 14:31:13,604 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 14:31:13,624 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 992places, 1004 transitions [2018-12-02 14:31:13,809 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 11589 states. [2018-12-02 14:31:13,811 INFO L276 IsEmpty]: Start isEmpty. Operand 11589 states. [2018-12-02 14:31:13,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 847 [2018-12-02 14:31:13,841 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:31:13,842 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] [2018-12-02 14:31:13,844 INFO L423 AbstractCegarLoop]: === Iteration 1 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:31:13,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:31:13,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1965355602, now seen corresponding path program 1 times [2018-12-02 14:31:13,849 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:31:13,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:31:13,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:31:13,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:31:13,886 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:31:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:31:14,357 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 14:31:14,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:31:14,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 14:31:14,359 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:31:14,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 14:31:14,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 14:31:14,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 14:31:14,373 INFO L87 Difference]: Start difference. First operand 11589 states. Second operand 2 states. [2018-12-02 14:31:14,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:31:14,476 INFO L93 Difference]: Finished difference Result 11586 states and 30155 transitions. [2018-12-02 14:31:14,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 14:31:14,477 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 846 [2018-12-02 14:31:14,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:31:14,512 INFO L225 Difference]: With dead ends: 11586 [2018-12-02 14:31:14,513 INFO L226 Difference]: Without dead ends: 10551 [2018-12-02 14:31:14,514 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 14:31:14,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10551 states. [2018-12-02 14:31:14,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10551 to 10551. [2018-12-02 14:31:14,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10551 states. [2018-12-02 14:31:14,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10551 states to 10551 states and 27328 transitions. [2018-12-02 14:31:14,720 INFO L78 Accepts]: Start accepts. Automaton has 10551 states and 27328 transitions. Word has length 846 [2018-12-02 14:31:14,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:31:14,721 INFO L480 AbstractCegarLoop]: Abstraction has 10551 states and 27328 transitions. [2018-12-02 14:31:14,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 14:31:14,721 INFO L276 IsEmpty]: Start isEmpty. Operand 10551 states and 27328 transitions. [2018-12-02 14:31:14,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 900 [2018-12-02 14:31:14,742 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:31:14,742 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] [2018-12-02 14:31:14,742 INFO L423 AbstractCegarLoop]: === Iteration 2 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:31:14,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:31:14,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1448189093, now seen corresponding path program 1 times [2018-12-02 14:31:14,743 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:31:14,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:31:14,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:31:14,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:31:14,745 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:31:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:31:15,132 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 14:31:15,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:31:15,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 14:31:15,133 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:31:15,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 14:31:15,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 14:31:15,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 14:31:15,152 INFO L87 Difference]: Start difference. First operand 10551 states and 27328 transitions. Second operand 3 states. [2018-12-02 14:31:15,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:31:15,187 INFO L93 Difference]: Finished difference Result 2718 states and 5321 transitions. [2018-12-02 14:31:15,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 14:31:15,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 899 [2018-12-02 14:31:15,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:31:15,195 INFO L225 Difference]: With dead ends: 2718 [2018-12-02 14:31:15,195 INFO L226 Difference]: Without dead ends: 2631 [2018-12-02 14:31:15,196 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 14:31:15,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2631 states. [2018-12-02 14:31:15,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2631 to 2631. [2018-12-02 14:31:15,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2631 states. [2018-12-02 14:31:15,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 2631 states and 5122 transitions. [2018-12-02 14:31:15,235 INFO L78 Accepts]: Start accepts. Automaton has 2631 states and 5122 transitions. Word has length 899 [2018-12-02 14:31:15,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:31:15,235 INFO L480 AbstractCegarLoop]: Abstraction has 2631 states and 5122 transitions. [2018-12-02 14:31:15,235 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 14:31:15,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 5122 transitions. [2018-12-02 14:31:15,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 910 [2018-12-02 14:31:15,241 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:31:15,241 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] [2018-12-02 14:31:15,241 INFO L423 AbstractCegarLoop]: === Iteration 3 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:31:15,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:31:15,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1610976904, now seen corresponding path program 1 times [2018-12-02 14:31:15,242 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:31:15,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:31:15,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:31:15,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:31:15,244 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:31:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:31:15,641 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 14:31:15,642 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:31:15,642 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 14:31:15,642 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:31:15,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 14:31:15,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 14:31:15,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 14:31:15,643 INFO L87 Difference]: Start difference. First operand 2631 states and 5122 transitions. Second operand 3 states. [2018-12-02 14:31:15,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:31:15,669 INFO L93 Difference]: Finished difference Result 3243 states and 6602 transitions. [2018-12-02 14:31:15,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 14:31:15,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 909 [2018-12-02 14:31:15,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:31:15,681 INFO L225 Difference]: With dead ends: 3243 [2018-12-02 14:31:15,681 INFO L226 Difference]: Without dead ends: 3243 [2018-12-02 14:31:15,681 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 14:31:15,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3243 states. [2018-12-02 14:31:15,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3243 to 2649. [2018-12-02 14:31:15,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2649 states. [2018-12-02 14:31:15,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 2649 states and 5165 transitions. [2018-12-02 14:31:15,713 INFO L78 Accepts]: Start accepts. Automaton has 2649 states and 5165 transitions. Word has length 909 [2018-12-02 14:31:15,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:31:15,714 INFO L480 AbstractCegarLoop]: Abstraction has 2649 states and 5165 transitions. [2018-12-02 14:31:15,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 14:31:15,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2649 states and 5165 transitions. [2018-12-02 14:31:15,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2018-12-02 14:31:15,719 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:31:15,719 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] [2018-12-02 14:31:15,720 INFO L423 AbstractCegarLoop]: === Iteration 4 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:31:15,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:31:15,720 INFO L82 PathProgramCache]: Analyzing trace with hash -359671302, now seen corresponding path program 1 times [2018-12-02 14:31:15,720 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:31:15,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:31:15,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:31:15,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:31:15,722 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:31:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:31:16,036 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 14:31:16,036 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:31:16,036 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 14:31:16,037 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 14:31:16,039 INFO L168 Benchmark]: Toolchain (without parser) took 4002.51 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 948.1 MB in the beginning and 1.9 GB in the end (delta: -982.3 MB). Peak memory consumption was 980.0 MB. Max. memory is 11.5 GB. [2018-12-02 14:31:16,040 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:31:16,041 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 948.1 MB in the beginning and 1.0 GB in the end (delta: -95.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-12-02 14:31:16,041 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.97 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: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-02 14:31:16,041 INFO L168 Benchmark]: Boogie Preprocessor took 57.54 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-02 14:31:16,042 INFO L168 Benchmark]: RCFGBuilder took 855.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 855.6 MB in the end (delta: 169.3 MB). Peak memory consumption was 169.3 MB. Max. memory is 11.5 GB. [2018-12-02 14:31:16,042 INFO L168 Benchmark]: TraceAbstraction took 2594.60 ms. Allocated memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 855.6 MB in the beginning and 1.9 GB in the end (delta: -1.1 GB). Peak memory consumption was 789.5 MB. Max. memory is 11.5 GB. [2018-12-02 14:31:16,044 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 414.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 948.1 MB in the beginning and 1.0 GB in the end (delta: -95.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.97 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: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.54 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 855.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 855.6 MB in the end (delta: 169.3 MB). Peak memory consumption was 169.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2594.60 ms. Allocated memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 855.6 MB in the beginning and 1.9 GB in the end (delta: -1.1 GB). Peak memory consumption was 789.5 MB. 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 14:31:17,305 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:31:17,306 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:31:17,312 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:31:17,312 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:31:17,313 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:31:17,313 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:31:17,314 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:31:17,315 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:31:17,315 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:31:17,316 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:31:17,316 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:31:17,316 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:31:17,317 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:31:17,317 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:31:17,318 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:31:17,318 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:31:17,319 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:31:17,320 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:31:17,321 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:31:17,321 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:31:17,322 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:31:17,323 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:31:17,323 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:31:17,323 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:31:17,324 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:31:17,324 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:31:17,324 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:31:17,325 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:31:17,325 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:31:17,326 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:31:17,326 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:31:17,326 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:31:17,326 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:31:17,327 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:31:17,327 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:31:17,327 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 14:31:17,334 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:31:17,335 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:31:17,335 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:31:17,335 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 14:31:17,335 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 14:31:17,335 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 14:31:17,335 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 14:31:17,336 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 14:31:17,336 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 14:31:17,336 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 14:31:17,336 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:31:17,336 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:31:17,336 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:31:17,336 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:31:17,336 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:31:17,336 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:31:17,337 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:31:17,337 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 14:31:17,337 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 14:31:17,337 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:31:17,337 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:31:17,337 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 14:31:17,337 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:31:17,337 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:31:17,337 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 14:31:17,337 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:31:17,337 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 14:31:17,337 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 14:31:17,338 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:31:17,338 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:31:17,338 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:31:17,338 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 14:31:17,338 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:31:17,338 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 14:31:17,338 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 14:31:17,338 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_4790e101-691e-4cde-ad1c-16175f8439f7/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 -> e3e5a0173ce12c5ff8bb2bd5d43d8d4d784bb4c2 [2018-12-02 14:31:17,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:31:17,362 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:31:17,364 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:31:17,365 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:31:17,365 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:31:17,366 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/bin-2019/utaipan/../../sv-benchmarks/c/pthread/queue_ok_longer_true-unreach-call.i [2018-12-02 14:31:17,400 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/bin-2019/utaipan/data/300fc9441/e32608f606ca4f3c808c799aa4f9a6b4/FLAG42075e87b [2018-12-02 14:31:17,821 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:31:17,821 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/sv-benchmarks/c/pthread/queue_ok_longer_true-unreach-call.i [2018-12-02 14:31:17,828 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/bin-2019/utaipan/data/300fc9441/e32608f606ca4f3c808c799aa4f9a6b4/FLAG42075e87b [2018-12-02 14:31:17,836 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4790e101-691e-4cde-ad1c-16175f8439f7/bin-2019/utaipan/data/300fc9441/e32608f606ca4f3c808c799aa4f9a6b4 [2018-12-02 14:31:17,838 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:31:17,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:31:17,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:31:17,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:31:17,842 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:31:17,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:31:17" (1/1) ... [2018-12-02 14:31:17,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c3b366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:31:17, skipping insertion in model container [2018-12-02 14:31:17,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:31:17" (1/1) ... [2018-12-02 14:31:17,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:31:17,870 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:31:18,105 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:31:18,137 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:31:18,207 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:31:18,209 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-02 14:31:18,212 INFO L168 Benchmark]: Toolchain (without parser) took 373.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -195.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2018-12-02 14:31:18,214 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:31:18,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -195.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2018-12-02 14:31:18,215 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -195.8 MB). Peak memory consumption was 35.8 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...