./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longer-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1891bb638db5c84e8fa01d5309bc212f15b49e23 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1891bb638db5c84e8fa01d5309bc212f15b49e23 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:20:35,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:20:35,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:20:35,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:20:35,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:20:35,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:20:35,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:20:35,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:20:35,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:20:35,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:20:35,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:20:35,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:20:35,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:20:35,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:20:35,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:20:35,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:20:35,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:20:35,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:20:35,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:20:35,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:20:35,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:20:35,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:20:35,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:20:35,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:20:35,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:20:35,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:20:35,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:20:35,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:20:35,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:20:35,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:20:35,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:20:35,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:20:35,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:20:35,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:20:35,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:20:35,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:20:35,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:20:35,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:20:35,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:20:35,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:20:35,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:20:35,501 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 10:20:35,511 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:20:35,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:20:35,512 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:20:35,512 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:20:35,512 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:20:35,513 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:20:35,513 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 10:20:35,513 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:20:35,513 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:20:35,513 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 10:20:35,513 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 10:20:35,513 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:20:35,514 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 10:20:35,514 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 10:20:35,514 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 10:20:35,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:20:35,514 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:20:35,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:20:35,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:20:35,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:20:35,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:20:35,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:20:35,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:20:35,515 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:20:35,515 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:20:35,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:20:35,516 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:20:35,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:20:35,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:20:35,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:20:35,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:20:35,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:20:35,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:20:35,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:20:35,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:20:35,517 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 10:20:35,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:20:35,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:20:35,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:20:35,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:20:35,517 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1891bb638db5c84e8fa01d5309bc212f15b49e23 [2019-12-07 10:20:35,616 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:20:35,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:20:35,628 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:20:35,629 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:20:35,629 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:20:35,629 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/../../sv-benchmarks/c/pthread/stack_longer-1.i [2019-12-07 10:20:35,668 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/data/ce46e7288/429d7478d4f54a78bb7f4a89110a6c11/FLAGaa348688f [2019-12-07 10:20:36,042 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:20:36,042 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/sv-benchmarks/c/pthread/stack_longer-1.i [2019-12-07 10:20:36,053 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/data/ce46e7288/429d7478d4f54a78bb7f4a89110a6c11/FLAGaa348688f [2019-12-07 10:20:36,062 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/data/ce46e7288/429d7478d4f54a78bb7f4a89110a6c11 [2019-12-07 10:20:36,064 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:20:36,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:20:36,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:20:36,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:20:36,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:20:36,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:20:36" (1/1) ... [2019-12-07 10:20:36,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18f04252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:36, skipping insertion in model container [2019-12-07 10:20:36,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:20:36" (1/1) ... [2019-12-07 10:20:36,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:20:36,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:20:36,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:20:36,386 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:20:36,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:20:36,498 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:20:36,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:36 WrapperNode [2019-12-07 10:20:36,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:20:36,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:20:36,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:20:36,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:20:36,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:36" (1/1) ... [2019-12-07 10:20:36,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:36" (1/1) ... [2019-12-07 10:20:36,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:20:36,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:20:36,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:20:36,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:20:36,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:36" (1/1) ... [2019-12-07 10:20:36,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:36" (1/1) ... [2019-12-07 10:20:36,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:36" (1/1) ... [2019-12-07 10:20:36,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:36" (1/1) ... [2019-12-07 10:20:36,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:36" (1/1) ... [2019-12-07 10:20:36,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:36" (1/1) ... [2019-12-07 10:20:36,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:36" (1/1) ... [2019-12-07 10:20:36,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:20:36,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:20:36,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:20:36,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:20:36,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:20:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2019-12-07 10:20:36,603 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2019-12-07 10:20:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2019-12-07 10:20:36,603 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2019-12-07 10:20:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:20:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:20:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 10:20:36,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 10:20:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-07 10:20:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 10:20:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:20:36,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:20:36,605 WARN L205 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 10:20:36,862 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:20:36,862 INFO L287 CfgBuilder]: Removed 24 assume(true) statements. [2019-12-07 10:20:36,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:20:36 BoogieIcfgContainer [2019-12-07 10:20:36,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:20:36,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:20:36,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:20:36,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:20:36,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:20:36" (1/3) ... [2019-12-07 10:20:36,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31fb0199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:20:36, skipping insertion in model container [2019-12-07 10:20:36,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:36" (2/3) ... [2019-12-07 10:20:36,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31fb0199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:20:36, skipping insertion in model container [2019-12-07 10:20:36,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:20:36" (3/3) ... [2019-12-07 10:20:36,868 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longer-1.i [2019-12-07 10:20:36,874 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 10:20:36,874 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:20:36,879 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-07 10:20:36,879 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 10:20:36,900 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,900 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,900 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,900 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,901 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,901 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,901 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,901 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,901 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,901 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,901 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,901 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,902 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,902 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,902 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,902 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,902 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,902 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,902 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,903 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,903 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,903 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,903 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,903 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,903 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,903 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,903 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,903 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,904 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,904 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,904 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,904 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,904 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,904 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,904 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,905 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,905 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,905 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,905 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,905 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,905 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,905 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,905 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,906 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,906 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,906 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,906 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,906 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,906 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,906 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,906 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,906 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,907 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,907 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,907 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,907 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,907 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,907 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,908 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,908 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,908 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,908 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,909 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,909 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,909 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,909 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,909 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,909 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,909 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,910 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,910 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,910 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,910 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,910 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,910 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,910 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,911 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,911 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,911 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,911 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,911 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,911 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,911 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,911 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,911 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,912 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,912 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,912 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,912 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,912 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,912 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,912 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,912 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,913 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,913 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,913 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,913 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,913 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,913 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,913 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,914 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,914 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,914 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,914 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,914 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,914 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,914 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,914 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,915 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,915 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,915 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,915 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,915 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,915 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,915 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,915 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,916 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,916 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,916 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,916 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,916 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,916 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,916 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,916 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,917 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,917 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,917 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:36,933 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-07 10:20:36,945 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:20:36,945 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:20:36,945 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:20:36,945 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:20:36,945 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:20:36,946 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:20:36,946 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:20:36,946 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:20:36,955 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 140 transitions [2019-12-07 10:20:36,956 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 136 places, 140 transitions [2019-12-07 10:20:36,997 INFO L134 PetriNetUnfolder]: 10/140 cut-off events. [2019-12-07 10:20:36,998 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 10:20:37,004 INFO L76 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 140 events. 10/140 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 413 event pairs. 19/148 useless extension candidates. Maximal degree in co-relation 108. Up to 3 conditions per place. [2019-12-07 10:20:37,011 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 136 places, 140 transitions [2019-12-07 10:20:37,030 INFO L134 PetriNetUnfolder]: 10/140 cut-off events. [2019-12-07 10:20:37,030 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 10:20:37,032 INFO L76 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 140 events. 10/140 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 413 event pairs. 19/148 useless extension candidates. Maximal degree in co-relation 108. Up to 3 conditions per place. [2019-12-07 10:20:37,037 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5952 [2019-12-07 10:20:37,038 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 10:20:38,585 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-12-07 10:20:39,169 WARN L192 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2019-12-07 10:20:39,353 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-12-07 10:20:39,375 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6690 [2019-12-07 10:20:39,375 INFO L214 etLargeBlockEncoding]: Total number of compositions: 119 [2019-12-07 10:20:39,378 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 41 transitions [2019-12-07 10:20:39,398 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 335 states. [2019-12-07 10:20:39,399 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2019-12-07 10:20:39,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 10:20:39,403 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:39,404 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 10:20:39,404 INFO L410 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:39,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:39,408 INFO L82 PathProgramCache]: Analyzing trace with hash -229309141, now seen corresponding path program 1 times [2019-12-07 10:20:39,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 10:20:39,414 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913933798] [2019-12-07 10:20:39,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:20:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:39,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:39,543 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913933798] [2019-12-07 10:20:39,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:39,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:20:39,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251970304] [2019-12-07 10:20:39,547 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:20:39,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 10:20:39,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:20:39,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:20:39,558 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 3 states. [2019-12-07 10:20:39,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:39,604 INFO L93 Difference]: Finished difference Result 529 states and 1334 transitions. [2019-12-07 10:20:39,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:20:39,605 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-07 10:20:39,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:39,618 INFO L225 Difference]: With dead ends: 529 [2019-12-07 10:20:39,618 INFO L226 Difference]: Without dead ends: 507 [2019-12-07 10:20:39,619 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:20:39,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2019-12-07 10:20:39,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 467. [2019-12-07 10:20:39,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2019-12-07 10:20:39,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 1235 transitions. [2019-12-07 10:20:39,673 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 1235 transitions. Word has length 6 [2019-12-07 10:20:39,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:39,673 INFO L462 AbstractCegarLoop]: Abstraction has 467 states and 1235 transitions. [2019-12-07 10:20:39,673 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:20:39,674 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 1235 transitions. [2019-12-07 10:20:39,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 10:20:39,674 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:39,674 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:20:39,675 INFO L410 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:39,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:39,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1069650288, now seen corresponding path program 1 times [2019-12-07 10:20:39,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 10:20:39,675 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579987383] [2019-12-07 10:20:39,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:20:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:39,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:39,721 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579987383] [2019-12-07 10:20:39,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:39,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:20:39,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252671485] [2019-12-07 10:20:39,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:20:39,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 10:20:39,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:20:39,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:20:39,723 INFO L87 Difference]: Start difference. First operand 467 states and 1235 transitions. Second operand 3 states. [2019-12-07 10:20:39,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:39,736 INFO L93 Difference]: Finished difference Result 574 states and 1482 transitions. [2019-12-07 10:20:39,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:20:39,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-07 10:20:39,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:39,741 INFO L225 Difference]: With dead ends: 574 [2019-12-07 10:20:39,741 INFO L226 Difference]: Without dead ends: 552 [2019-12-07 10:20:39,742 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:20:39,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2019-12-07 10:20:39,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 512. [2019-12-07 10:20:39,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2019-12-07 10:20:39,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 1362 transitions. [2019-12-07 10:20:39,766 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 1362 transitions. Word has length 8 [2019-12-07 10:20:39,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:39,767 INFO L462 AbstractCegarLoop]: Abstraction has 512 states and 1362 transitions. [2019-12-07 10:20:39,767 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:20:39,767 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1362 transitions. [2019-12-07 10:20:39,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 10:20:39,768 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:39,768 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:20:39,769 INFO L410 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:39,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:39,769 INFO L82 PathProgramCache]: Analyzing trace with hash -174077442, now seen corresponding path program 1 times [2019-12-07 10:20:39,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 10:20:39,769 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121656239] [2019-12-07 10:20:39,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:20:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:39,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:39,803 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121656239] [2019-12-07 10:20:39,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:39,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 10:20:39,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224725259] [2019-12-07 10:20:39,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:20:39,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 10:20:39,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:20:39,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:20:39,804 INFO L87 Difference]: Start difference. First operand 512 states and 1362 transitions. Second operand 3 states. [2019-12-07 10:20:39,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:39,815 INFO L93 Difference]: Finished difference Result 544 states and 1443 transitions. [2019-12-07 10:20:39,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:20:39,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-07 10:20:39,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:39,819 INFO L225 Difference]: With dead ends: 544 [2019-12-07 10:20:39,819 INFO L226 Difference]: Without dead ends: 544 [2019-12-07 10:20:39,819 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:20:39,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2019-12-07 10:20:39,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2019-12-07 10:20:39,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2019-12-07 10:20:39,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 1443 transitions. [2019-12-07 10:20:39,832 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 1443 transitions. Word has length 10 [2019-12-07 10:20:39,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:39,833 INFO L462 AbstractCegarLoop]: Abstraction has 544 states and 1443 transitions. [2019-12-07 10:20:39,833 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:20:39,833 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 1443 transitions. [2019-12-07 10:20:39,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 10:20:39,834 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:39,834 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:20:39,835 INFO L410 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:39,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:39,835 INFO L82 PathProgramCache]: Analyzing trace with hash 763111477, now seen corresponding path program 1 times [2019-12-07 10:20:39,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 10:20:39,835 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105767654] [2019-12-07 10:20:39,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:20:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:39,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:39,889 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105767654] [2019-12-07 10:20:39,889 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768520427] [2019-12-07 10:20:39,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:20:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:39,941 INFO L264 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 10:20:39,944 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:20:39,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:39,965 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:20:39,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:39,990 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1887836215] [2019-12-07 10:20:39,995 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:269) at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175) at java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1556) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472) at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:485) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:213) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:350) 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:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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) [2019-12-07 10:20:39,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-12-07 10:20:39,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2019-12-07 10:20:39,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143891187] [2019-12-07 10:20:39,997 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 10:20:39,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 10:20:39,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 10:20:39,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-12-07 10:20:39,997 INFO L87 Difference]: Start difference. First operand 544 states and 1443 transitions. Second operand 10 states. [2019-12-07 10:20:40,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:40,109 INFO L93 Difference]: Finished difference Result 1127 states and 2877 transitions. [2019-12-07 10:20:40,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 10:20:40,109 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2019-12-07 10:20:40,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:40,115 INFO L225 Difference]: With dead ends: 1127 [2019-12-07 10:20:40,115 INFO L226 Difference]: Without dead ends: 1127 [2019-12-07 10:20:40,116 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2019-12-07 10:20:40,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2019-12-07 10:20:40,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 880. [2019-12-07 10:20:40,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2019-12-07 10:20:40,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 2332 transitions. [2019-12-07 10:20:40,135 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 2332 transitions. Word has length 14 [2019-12-07 10:20:40,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:40,136 INFO L462 AbstractCegarLoop]: Abstraction has 880 states and 2332 transitions. [2019-12-07 10:20:40,136 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 10:20:40,136 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 2332 transitions. [2019-12-07 10:20:40,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 10:20:40,137 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:40,137 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:20:40,338 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:20:40,338 INFO L410 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:40,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:40,339 INFO L82 PathProgramCache]: Analyzing trace with hash 277758940, now seen corresponding path program 1 times [2019-12-07 10:20:40,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 10:20:40,339 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94612986] [2019-12-07 10:20:40,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:20:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:40,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:40,403 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94612986] [2019-12-07 10:20:40,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:40,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 10:20:40,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364158483] [2019-12-07 10:20:40,404 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:20:40,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 10:20:40,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:20:40,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:20:40,405 INFO L87 Difference]: Start difference. First operand 880 states and 2332 transitions. Second operand 3 states. [2019-12-07 10:20:40,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:40,442 INFO L93 Difference]: Finished difference Result 455 states and 1025 transitions. [2019-12-07 10:20:40,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:20:40,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-12-07 10:20:40,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:40,450 INFO L225 Difference]: With dead ends: 455 [2019-12-07 10:20:40,450 INFO L226 Difference]: Without dead ends: 451 [2019-12-07 10:20:40,451 INFO L630 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 [2019-12-07 10:20:40,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2019-12-07 10:20:40,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 425. [2019-12-07 10:20:40,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2019-12-07 10:20:40,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 950 transitions. [2019-12-07 10:20:40,473 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 950 transitions. Word has length 16 [2019-12-07 10:20:40,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:40,473 INFO L462 AbstractCegarLoop]: Abstraction has 425 states and 950 transitions. [2019-12-07 10:20:40,473 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:20:40,473 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 950 transitions. [2019-12-07 10:20:40,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 10:20:40,475 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:40,475 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:20:40,476 INFO L410 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:40,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:40,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1401799518, now seen corresponding path program 1 times [2019-12-07 10:20:40,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 10:20:40,477 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809003433] [2019-12-07 10:20:40,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:20:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:40,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:40,530 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809003433] [2019-12-07 10:20:40,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:40,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 10:20:40,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320770867] [2019-12-07 10:20:40,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 10:20:40,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 10:20:40,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 10:20:40,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 10:20:40,532 INFO L87 Difference]: Start difference. First operand 425 states and 950 transitions. Second operand 5 states. [2019-12-07 10:20:40,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:40,569 INFO L93 Difference]: Finished difference Result 535 states and 1192 transitions. [2019-12-07 10:20:40,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 10:20:40,570 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-12-07 10:20:40,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:40,572 INFO L225 Difference]: With dead ends: 535 [2019-12-07 10:20:40,572 INFO L226 Difference]: Without dead ends: 535 [2019-12-07 10:20:40,573 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 10:20:40,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2019-12-07 10:20:40,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 463. [2019-12-07 10:20:40,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2019-12-07 10:20:40,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 1041 transitions. [2019-12-07 10:20:40,581 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 1041 transitions. Word has length 17 [2019-12-07 10:20:40,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:40,581 INFO L462 AbstractCegarLoop]: Abstraction has 463 states and 1041 transitions. [2019-12-07 10:20:40,581 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 10:20:40,582 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 1041 transitions. [2019-12-07 10:20:40,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 10:20:40,582 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:40,582 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:20:40,582 INFO L410 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:40,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:40,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1964448312, now seen corresponding path program 1 times [2019-12-07 10:20:40,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 10:20:40,583 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700846432] [2019-12-07 10:20:40,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:20:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:40,658 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const Int) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1315) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.TermTransferrer.convertApplicationTerm(TermTransferrer.java:182) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:573) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:171) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:269) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:205) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:350) 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:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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) [2019-12-07 10:20:40,660 INFO L168 Benchmark]: Toolchain (without parser) took 4595.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 937.3 MB in the beginning and 931.7 MB in the end (delta: 5.5 MB). Peak memory consumption was 137.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:40,661 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 957.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:20:40,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 433.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 937.3 MB in the beginning and 1.0 GB in the end (delta: -86.8 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:40,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:20:40,662 INFO L168 Benchmark]: Boogie Preprocessor took 23.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:20:40,662 INFO L168 Benchmark]: RCFGBuilder took 300.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 984.6 MB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:40,662 INFO L168 Benchmark]: TraceAbstraction took 3795.84 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 47.2 MB). Free memory was 984.6 MB in the beginning and 931.7 MB in the end (delta: 52.9 MB). Peak memory consumption was 100.1 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:40,664 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 957.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 433.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 937.3 MB in the beginning and 1.0 GB in the end (delta: -86.8 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 300.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 984.6 MB in the end (delta: 39.4 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3795.84 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 47.2 MB). Free memory was 984.6 MB in the beginning and 931.7 MB in the end (delta: 52.9 MB). Peak memory consumption was 100.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.4s, 136 ProgramPointsBefore, 39 ProgramPointsAfterwards, 140 TransitionsBefore, 41 TransitionsAfterwards, 5952 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 77 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 16 ConcurrentYvCompositions, 3 ChoiceCompositions, 3242 VarBasedMoverChecksPositive, 61 VarBasedMoverChecksNegative, 33 SemBasedMoverChecksPositive, 52 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 6690 CheckedPairsTotal, 119 TotalNumberOfCompositions - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (const Int): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 10:20:41,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:20:41,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:20:41,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:20:41,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:20:41,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:20:41,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:20:41,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:20:41,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:20:41,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:20:41,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:20:41,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:20:41,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:20:41,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:20:41,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:20:41,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:20:41,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:20:41,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:20:41,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:20:41,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:20:42,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:20:42,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:20:42,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:20:42,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:20:42,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:20:42,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:20:42,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:20:42,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:20:42,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:20:42,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:20:42,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:20:42,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:20:42,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:20:42,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:20:42,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:20:42,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:20:42,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:20:42,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:20:42,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:20:42,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:20:42,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:20:42,011 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 10:20:42,021 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:20:42,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:20:42,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 10:20:42,022 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 10:20:42,022 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 10:20:42,022 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 10:20:42,022 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 10:20:42,022 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 10:20:42,022 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 10:20:42,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:20:42,023 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:20:42,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:20:42,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:20:42,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:20:42,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:20:42,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:20:42,024 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:20:42,024 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:20:42,024 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:20:42,024 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:20:42,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:20:42,024 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:20:42,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:20:42,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:20:42,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:20:42,025 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:20:42,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:20:42,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:20:42,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:20:42,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:20:42,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:20:42,025 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 10:20:42,026 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:20:42,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:20:42,026 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:20:42,026 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:20:42,026 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1891bb638db5c84e8fa01d5309bc212f15b49e23 [2019-12-07 10:20:42,203 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:20:42,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:20:42,213 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:20:42,214 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:20:42,215 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:20:42,215 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/../../sv-benchmarks/c/pthread/stack_longer-1.i [2019-12-07 10:20:42,254 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/data/889695158/45002c8b2cbc4185a0c16257aa611b72/FLAG443523bd7 [2019-12-07 10:20:42,741 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:20:42,741 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/sv-benchmarks/c/pthread/stack_longer-1.i [2019-12-07 10:20:42,752 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/data/889695158/45002c8b2cbc4185a0c16257aa611b72/FLAG443523bd7 [2019-12-07 10:20:42,761 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/data/889695158/45002c8b2cbc4185a0c16257aa611b72 [2019-12-07 10:20:42,763 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:20:42,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:20:42,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:20:42,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:20:42,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:20:42,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:20:42" (1/1) ... [2019-12-07 10:20:42,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416b65d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:42, skipping insertion in model container [2019-12-07 10:20:42,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:20:42" (1/1) ... [2019-12-07 10:20:42,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:20:42,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:20:43,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:20:43,090 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:20:43,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:20:43,218 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:20:43,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:43 WrapperNode [2019-12-07 10:20:43,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:20:43,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:20:43,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:20:43,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:20:43,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:43" (1/1) ... [2019-12-07 10:20:43,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:43" (1/1) ... [2019-12-07 10:20:43,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:20:43,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:20:43,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:20:43,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:20:43,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:43" (1/1) ... [2019-12-07 10:20:43,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:43" (1/1) ... [2019-12-07 10:20:43,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:43" (1/1) ... [2019-12-07 10:20:43,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:43" (1/1) ... [2019-12-07 10:20:43,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:43" (1/1) ... [2019-12-07 10:20:43,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:43" (1/1) ... [2019-12-07 10:20:43,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:43" (1/1) ... [2019-12-07 10:20:43,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:20:43,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:20:43,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:20:43,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:20:43,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:20:43,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 10:20:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2019-12-07 10:20:43,325 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2019-12-07 10:20:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2019-12-07 10:20:43,325 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2019-12-07 10:20:43,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 10:20:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 10:20:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 10:20:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-07 10:20:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-07 10:20:43,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:20:43,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:20:43,328 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 10:20:43,608 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:20:43,608 INFO L287 CfgBuilder]: Removed 24 assume(true) statements. [2019-12-07 10:20:43,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:20:43 BoogieIcfgContainer [2019-12-07 10:20:43,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:20:43,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:20:43,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:20:43,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:20:43,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:20:42" (1/3) ... [2019-12-07 10:20:43,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17b363f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:20:43, skipping insertion in model container [2019-12-07 10:20:43,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:20:43" (2/3) ... [2019-12-07 10:20:43,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17b363f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:20:43, skipping insertion in model container [2019-12-07 10:20:43,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:20:43" (3/3) ... [2019-12-07 10:20:43,614 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longer-1.i [2019-12-07 10:20:43,621 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 10:20:43,621 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:20:43,626 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-07 10:20:43,626 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 10:20:43,653 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,653 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,653 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,653 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,654 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,654 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,654 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,654 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,654 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,654 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,654 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,655 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,655 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,655 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,655 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,655 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,655 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,656 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,656 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,656 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,656 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,656 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,656 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,656 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,657 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,657 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,657 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,657 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,657 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,657 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,658 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,658 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,658 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,658 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,659 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,659 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,659 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,659 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,659 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,660 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,660 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,660 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,660 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,660 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,660 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,661 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,661 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,661 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,661 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,661 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,662 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,662 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,662 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,662 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,663 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,663 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,663 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,663 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,663 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,664 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,665 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,665 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,665 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,665 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,665 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,666 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,666 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,666 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,666 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,666 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,667 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,667 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,667 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,667 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,668 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,668 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,668 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,668 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,668 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,669 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,669 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,669 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,669 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,670 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,670 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,670 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,670 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,670 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,670 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,671 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,671 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,671 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,671 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,671 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,672 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,672 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,672 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,672 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,672 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,673 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,673 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,673 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,673 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,674 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,674 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,674 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,674 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,674 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,675 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,675 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,675 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,675 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,675 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,676 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,676 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,676 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,676 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,676 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,677 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,677 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,677 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,677 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 10:20:43,697 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-07 10:20:43,709 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:20:43,709 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 10:20:43,709 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:20:43,709 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:20:43,709 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:20:43,710 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:20:43,710 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:20:43,710 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:20:43,719 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 136 transitions [2019-12-07 10:20:43,721 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 132 places, 136 transitions [2019-12-07 10:20:43,769 INFO L134 PetriNetUnfolder]: 10/136 cut-off events. [2019-12-07 10:20:43,769 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 10:20:43,778 INFO L76 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 136 events. 10/136 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 394 event pairs. 19/144 useless extension candidates. Maximal degree in co-relation 103. Up to 3 conditions per place. [2019-12-07 10:20:43,788 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 132 places, 136 transitions [2019-12-07 10:20:43,810 INFO L134 PetriNetUnfolder]: 10/136 cut-off events. [2019-12-07 10:20:43,810 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 10:20:43,813 INFO L76 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 136 events. 10/136 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 394 event pairs. 19/144 useless extension candidates. Maximal degree in co-relation 103. Up to 3 conditions per place. [2019-12-07 10:20:43,818 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5420 [2019-12-07 10:20:43,819 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 10:20:45,700 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-12-07 10:20:46,542 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-12-07 10:20:46,712 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-12-07 10:20:47,453 WARN L192 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-12-07 10:20:47,775 WARN L192 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-12-07 10:20:47,810 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6183 [2019-12-07 10:20:47,810 INFO L214 etLargeBlockEncoding]: Total number of compositions: 110 [2019-12-07 10:20:47,813 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 40 transitions [2019-12-07 10:20:47,837 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 335 states. [2019-12-07 10:20:47,838 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2019-12-07 10:20:47,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 10:20:47,842 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:47,843 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 10:20:47,843 INFO L410 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:47,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:47,847 INFO L82 PathProgramCache]: Analyzing trace with hash -842765210, now seen corresponding path program 1 times [2019-12-07 10:20:47,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:20:47,855 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1303123118] [2019-12-07 10:20:47,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 10:20:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:47,920 INFO L264 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:20:47,923 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:20:47,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:47,935 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:20:47,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:47,941 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1303123118] [2019-12-07 10:20:47,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:47,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 10:20:47,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929159921] [2019-12-07 10:20:47,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:20:47,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:20:47,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:20:47,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:20:47,956 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 4 states. [2019-12-07 10:20:48,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:48,023 INFO L93 Difference]: Finished difference Result 694 states and 1781 transitions. [2019-12-07 10:20:48,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 10:20:48,024 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-12-07 10:20:48,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:48,038 INFO L225 Difference]: With dead ends: 694 [2019-12-07 10:20:48,038 INFO L226 Difference]: Without dead ends: 672 [2019-12-07 10:20:48,039 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:20:48,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2019-12-07 10:20:48,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 427. [2019-12-07 10:20:48,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2019-12-07 10:20:48,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 1148 transitions. [2019-12-07 10:20:48,093 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 1148 transitions. Word has length 6 [2019-12-07 10:20:48,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:48,093 INFO L462 AbstractCegarLoop]: Abstraction has 427 states and 1148 transitions. [2019-12-07 10:20:48,093 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:20:48,093 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1148 transitions. [2019-12-07 10:20:48,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 10:20:48,094 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:48,094 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:20:48,294 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 10:20:48,295 INFO L410 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:48,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:48,295 INFO L82 PathProgramCache]: Analyzing trace with hash -492949241, now seen corresponding path program 1 times [2019-12-07 10:20:48,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:20:48,297 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [411545454] [2019-12-07 10:20:48,297 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 10:20:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:48,372 INFO L264 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:20:48,373 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:20:48,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:48,377 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:20:48,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:48,378 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [411545454] [2019-12-07 10:20:48,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:48,379 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 10:20:48,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756670768] [2019-12-07 10:20:48,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:20:48,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:20:48,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:20:48,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:20:48,381 INFO L87 Difference]: Start difference. First operand 427 states and 1148 transitions. Second operand 3 states. [2019-12-07 10:20:48,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:48,399 INFO L93 Difference]: Finished difference Result 583 states and 1521 transitions. [2019-12-07 10:20:48,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:20:48,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-07 10:20:48,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:48,405 INFO L225 Difference]: With dead ends: 583 [2019-12-07 10:20:48,405 INFO L226 Difference]: Without dead ends: 561 [2019-12-07 10:20:48,406 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:20:48,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2019-12-07 10:20:48,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 496. [2019-12-07 10:20:48,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2019-12-07 10:20:48,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 1335 transitions. [2019-12-07 10:20:48,428 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 1335 transitions. Word has length 8 [2019-12-07 10:20:48,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:48,429 INFO L462 AbstractCegarLoop]: Abstraction has 496 states and 1335 transitions. [2019-12-07 10:20:48,429 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:20:48,429 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 1335 transitions. [2019-12-07 10:20:48,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 10:20:48,430 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:48,430 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:20:48,631 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 10:20:48,631 INFO L410 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:48,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:48,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1100234069, now seen corresponding path program 1 times [2019-12-07 10:20:48,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:20:48,632 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1301967115] [2019-12-07 10:20:48,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 10:20:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:48,685 INFO L264 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 10:20:48,686 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:20:48,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:48,690 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:20:48,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:48,697 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1301967115] [2019-12-07 10:20:48,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:48,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 10:20:48,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272196184] [2019-12-07 10:20:48,698 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 10:20:48,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:20:48,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 10:20:48,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:20:48,698 INFO L87 Difference]: Start difference. First operand 496 states and 1335 transitions. Second operand 4 states. [2019-12-07 10:20:48,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:48,712 INFO L93 Difference]: Finished difference Result 548 states and 1474 transitions. [2019-12-07 10:20:48,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:20:48,713 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-12-07 10:20:48,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:48,717 INFO L225 Difference]: With dead ends: 548 [2019-12-07 10:20:48,717 INFO L226 Difference]: Without dead ends: 548 [2019-12-07 10:20:48,717 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 10:20:48,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2019-12-07 10:20:48,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548. [2019-12-07 10:20:48,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2019-12-07 10:20:48,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 1474 transitions. [2019-12-07 10:20:48,736 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 1474 transitions. Word has length 10 [2019-12-07 10:20:48,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:48,736 INFO L462 AbstractCegarLoop]: Abstraction has 548 states and 1474 transitions. [2019-12-07 10:20:48,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 10:20:48,737 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 1474 transitions. [2019-12-07 10:20:48,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 10:20:48,738 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:48,738 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:20:48,939 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 10:20:48,940 INFO L410 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:48,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:48,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1177084603, now seen corresponding path program 1 times [2019-12-07 10:20:48,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:20:48,941 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1429594007] [2019-12-07 10:20:48,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 10:20:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:49,023 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 10:20:49,023 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:20:49,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:49,036 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:20:49,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:49,056 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1429594007] [2019-12-07 10:20:49,056 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [56192614] [2019-12-07 10:20:49,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 10:20:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:49,123 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 10:20:49,124 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:20:49,125 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:49,125 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:20:49,127 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:49,128 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805251386] [2019-12-07 10:20:49,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:20:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:49,226 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 10:20:49,227 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:20:49,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:49,230 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:20:49,233 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:49,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2019-12-07 10:20:49,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 7 [2019-12-07 10:20:49,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430847044] [2019-12-07 10:20:49,235 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 10:20:49,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:20:49,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 10:20:49,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-12-07 10:20:49,236 INFO L87 Difference]: Start difference. First operand 548 states and 1474 transitions. Second operand 8 states. [2019-12-07 10:20:49,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:49,467 INFO L93 Difference]: Finished difference Result 1747 states and 4543 transitions. [2019-12-07 10:20:49,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 10:20:49,467 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2019-12-07 10:20:49,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:49,477 INFO L225 Difference]: With dead ends: 1747 [2019-12-07 10:20:49,477 INFO L226 Difference]: Without dead ends: 1747 [2019-12-07 10:20:49,477 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2019-12-07 10:20:49,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2019-12-07 10:20:49,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1271. [2019-12-07 10:20:49,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1271 states. [2019-12-07 10:20:49,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 3473 transitions. [2019-12-07 10:20:49,515 INFO L78 Accepts]: Start accepts. Automaton has 1271 states and 3473 transitions. Word has length 14 [2019-12-07 10:20:49,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:49,515 INFO L462 AbstractCegarLoop]: Abstraction has 1271 states and 3473 transitions. [2019-12-07 10:20:49,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 10:20:49,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 3473 transitions. [2019-12-07 10:20:49,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 10:20:49,518 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:49,518 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:20:50,119 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3,6 cvc4 --incremental --print-success --lang smt --rewrite-divk,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 10:20:50,119 INFO L410 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:50,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:50,120 INFO L82 PathProgramCache]: Analyzing trace with hash 380576355, now seen corresponding path program 1 times [2019-12-07 10:20:50,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:20:50,121 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1020514848] [2019-12-07 10:20:50,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 10:20:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:50,192 INFO L264 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 10:20:50,193 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:20:50,215 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-12-07 10:20:50,215 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 10:20:50,217 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:20:50,217 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 10:20:50,217 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-12-07 10:20:50,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:50,223 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:20:50,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:50,227 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1020514848] [2019-12-07 10:20:50,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:50,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 10:20:50,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609297549] [2019-12-07 10:20:50,228 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 10:20:50,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:20:50,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 10:20:50,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:20:50,228 INFO L87 Difference]: Start difference. First operand 1271 states and 3473 transitions. Second operand 3 states. [2019-12-07 10:20:50,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:50,261 INFO L93 Difference]: Finished difference Result 562 states and 1283 transitions. [2019-12-07 10:20:50,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 10:20:50,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-12-07 10:20:50,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:50,264 INFO L225 Difference]: With dead ends: 562 [2019-12-07 10:20:50,264 INFO L226 Difference]: Without dead ends: 550 [2019-12-07 10:20:50,264 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 10:20:50,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2019-12-07 10:20:50,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 458. [2019-12-07 10:20:50,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2019-12-07 10:20:50,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 1029 transitions. [2019-12-07 10:20:50,272 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 1029 transitions. Word has length 20 [2019-12-07 10:20:50,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:50,273 INFO L462 AbstractCegarLoop]: Abstraction has 458 states and 1029 transitions. [2019-12-07 10:20:50,273 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 10:20:50,273 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 1029 transitions. [2019-12-07 10:20:50,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 10:20:50,273 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:50,274 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:20:50,474 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 10:20:50,475 INFO L410 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:50,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:50,475 INFO L82 PathProgramCache]: Analyzing trace with hash 211214539, now seen corresponding path program 1 times [2019-12-07 10:20:50,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:20:50,476 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1231487377] [2019-12-07 10:20:50,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-12-07 10:20:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 10:20:50,546 INFO L264 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 25 conjunts are in the unsatisfiable core [2019-12-07 10:20:50,547 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 10:20:50,591 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2019-12-07 10:20:50,592 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 10:20:50,605 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:20:50,606 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 10:20:50,606 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2019-12-07 10:20:50,777 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-12-07 10:20:50,778 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 10:20:50,780 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 10:20:50,780 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 10:20:50,781 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2019-12-07 10:20:50,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:50,814 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 10:20:51,170 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2019-12-07 10:20:51,170 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2019-12-07 10:20:51,206 INFO L614 ElimStorePlain]: treesize reduction 17, result has 55.3 percent of original size [2019-12-07 10:20:51,206 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-12-07 10:20:51,206 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:21 [2019-12-07 10:20:51,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 10:20:51,339 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1231487377] [2019-12-07 10:20:51,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 10:20:51,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 22 [2019-12-07 10:20:51,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943834344] [2019-12-07 10:20:51,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-12-07 10:20:51,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 10:20:51,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-12-07 10:20:51,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2019-12-07 10:20:51,341 INFO L87 Difference]: Start difference. First operand 458 states and 1029 transitions. Second operand 23 states. [2019-12-07 10:20:56,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 10:20:56,701 INFO L93 Difference]: Finished difference Result 1258 states and 2763 transitions. [2019-12-07 10:20:56,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-12-07 10:20:56,702 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 21 [2019-12-07 10:20:56,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 10:20:56,708 INFO L225 Difference]: With dead ends: 1258 [2019-12-07 10:20:56,708 INFO L226 Difference]: Without dead ends: 1258 [2019-12-07 10:20:56,709 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 884 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=517, Invalid=3265, Unknown=0, NotChecked=0, Total=3782 [2019-12-07 10:20:56,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2019-12-07 10:20:56,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 594. [2019-12-07 10:20:56,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2019-12-07 10:20:56,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 1407 transitions. [2019-12-07 10:20:56,725 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 1407 transitions. Word has length 21 [2019-12-07 10:20:56,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 10:20:56,725 INFO L462 AbstractCegarLoop]: Abstraction has 594 states and 1407 transitions. [2019-12-07 10:20:56,725 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-12-07 10:20:56,725 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 1407 transitions. [2019-12-07 10:20:56,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 10:20:56,726 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 10:20:56,726 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 10:20:56,927 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-12-07 10:20:56,928 INFO L410 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 10:20:56,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:20:56,928 INFO L82 PathProgramCache]: Analyzing trace with hash 167210285, now seen corresponding path program 1 times [2019-12-07 10:20:56,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 10:20:56,929 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1131451104] [2019-12-07 10:20:56,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-12-07 10:20:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:20:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:20:57,184 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 10:20:57,184 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 10:20:57,384 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-12-07 10:20:57,391 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [526] [526] ULTIMATE.startENTRY-->L999-1: Formula: (let ((.cse0 (store |v_#valid_63| (_ bv0 32) (_ bv0 1)))) (let ((.cse1 (store .cse0 |v_#t~string35.base_6| (_ bv1 1)))) (let ((.cse7 (store .cse1 |v_#t~string39.base_6| (_ bv1 1)))) (let ((.cse3 (store .cse7 |v_~#arr~0.base_37| (_ bv1 1)))) (let ((.cse2 (store |v_#memory_int_69| |v_~#arr~0.base_37| ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (.cse4 (store .cse3 |v_~#m~0.base_88| (_ bv1 1)))) (let ((.cse5 (store .cse4 |v_ULTIMATE.start_main_~#id1~0.base_21| (_ bv1 1))) (.cse6 (select .cse2 |v_~#m~0.base_88|))) (and (= (select .cse0 |v_#t~string35.base_6|) (_ bv0 1)) (bvult |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#id2~0.base_23|) (= |v_#NULL.base_6| (_ bv0 32)) (= (_ bv0 1) (select .cse1 |v_#t~string39.base_6|)) (= (_ bv0 32) |v_#NULL.offset_6|) (= |v_#memory_int_67| (store .cse2 |v_ULTIMATE.start_main_~#id1~0.base_21| (store (select .cse2 |v_ULTIMATE.start_main_~#id1~0.base_21|) |v_ULTIMATE.start_main_~#id1~0.offset_18| (_ bv0 32)))) (= |v_ULTIMATE.start_main_~#id1~0.offset_18| (_ bv0 32)) (= (_ bv0 1) (select .cse3 |v_~#m~0.base_88|)) (= |v_#t~string39.offset_6| (_ bv0 32)) (= (_ bv0 1) (select .cse4 |v_ULTIMATE.start_main_~#id1~0.base_21|)) (bvult |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#id1~0.base_21|) (= (select .cse5 |v_ULTIMATE.start_main_~#id2~0.base_23|) (_ bv0 1)) (= (_ bv0 32) |v_#t~string35.offset_6|) (bvult (_ bv0 32) |v_#StackHeapBarrier_22|) (= (_ bv0 32) |v_~#m~0.offset_88|) (= |v_~#arr~0.offset_34| (_ bv0 32)) (= |v_#length_41| (store (store (store (store (store (store |v_#length_43| |v_#t~string35.base_6| (_ bv16 32)) |v_#t~string39.base_6| (_ bv17 32)) |v_~#arr~0.base_37| (_ bv1600 32)) |v_~#m~0.base_88| (_ bv24 32)) |v_ULTIMATE.start_main_~#id1~0.base_21| (_ bv4 32)) |v_ULTIMATE.start_main_~#id2~0.base_23| (_ bv4 32))) (= (_ bv0 32) (select .cse6 |v_~#m~0.offset_88|)) (bvult |v_#StackHeapBarrier_22| |v_~#arr~0.base_37|) (= |v_#valid_61| (store .cse5 |v_ULTIMATE.start_main_~#id2~0.base_23| (_ bv1 1))) (= (_ bv0 32) (select .cse6 (bvadd |v_~#m~0.offset_88| (_ bv12 32)))) (= (select .cse6 (bvadd |v_~#m~0.offset_88| (_ bv8 32))) (_ bv0 32)) (= (select .cse6 (bvadd |v_~#m~0.offset_88| (_ bv16 32))) (_ bv0 32)) (= (_ bv0 8) v_~flag~0_50) (= |v_ULTIMATE.start_main_~#id2~0.offset_20| (_ bv0 32)) (= (_ bv0 1) (select .cse7 |v_~#arr~0.base_37|)) (= |v_#pthreadsMutex_195| (store |v_#pthreadsMutex_196| |v_~#m~0.base_88| (store (select |v_#pthreadsMutex_196| |v_~#m~0.base_88|) |v_~#m~0.offset_88| (_ bv0 1)))) (bvult |v_#StackHeapBarrier_22| |v_#t~string39.base_6|) (bvult |v_#StackHeapBarrier_22| |v_#t~string35.base_6|) (= roundNearestTiesToEven v_currentRoundingMode_6) (bvult |v_#StackHeapBarrier_22| |v_~#m~0.base_88|) (= (_ bv0 32) (select .cse6 (bvadd |v_~#m~0.offset_88| (_ bv4 32)))) (= v_~top~0_100 (_ bv0 32))))))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_196|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, #valid=|v_#valid_63|, #memory_int=|v_#memory_int_69|, #length=|v_#length_43|} OutVars{ULTIMATE.start_main_~#id1~0.base=|v_ULTIMATE.start_main_~#id1~0.base_21|, #t~string35.offset=|v_#t~string35.offset_6|, ~flag~0=v_~flag~0_50, #t~string39.base=|v_#t~string39.base_6|, #NULL.offset=|v_#NULL.offset_6|, ~top~0=v_~top~0_100, ULTIMATE.start_main_#t~nondet50=|v_ULTIMATE.start_main_#t~nondet50_8|, ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_23|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_20|, #t~string39.offset=|v_#t~string39.offset_6|, #length=|v_#length_41|, ULTIMATE.start_main_#t~nondet49=|v_ULTIMATE.start_main_#t~nondet49_8|, ~#arr~0.base=|v_~#arr~0.base_37|, #pthreadsMutex=|v_#pthreadsMutex_195|, ~#arr~0.offset=|v_~#arr~0.offset_34|, ULTIMATE.start_main_#t~mem52=|v_ULTIMATE.start_main_#t~mem52_16|, ULTIMATE.start_main_#t~mem51=|v_ULTIMATE.start_main_#t~mem51_13|, #t~string35.base=|v_#t~string35.base_6|, #NULL.base=|v_#NULL.base_6|, ~#m~0.base=|v_~#m~0.base_88|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, ~#m~0.offset=|v_~#m~0.offset_88|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_13|, #valid=|v_#valid_61|, #memory_int=|v_#memory_int_67|, ULTIMATE.start_main_~#id1~0.offset=|v_ULTIMATE.start_main_~#id1~0.offset_18|, currentRoundingMode=v_currentRoundingMode_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~#id1~0.base, #t~string35.offset, ~flag~0, #t~string39.base, #NULL.offset, ~top~0, ULTIMATE.start_main_#t~nondet50, ULTIMATE.start_main_~#id2~0.base, ULTIMATE.start_main_~#id2~0.offset, #t~string39.offset, #length, ULTIMATE.start_main_#t~nondet49, ~#arr~0.base, #pthreadsMutex, ~#arr~0.offset, ULTIMATE.start_main_#t~mem52, ULTIMATE.start_main_#t~mem51, #t~string35.base, #NULL.base, ~#m~0.base, ~#m~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#id1~0.offset, currentRoundingMode] because there is no mapped edge [2019-12-07 10:20:57,391 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [432] [432] L999-2-->L1000-1: Formula: (= |v_#memory_int_22| (store |v_#memory_int_23| |v_ULTIMATE.start_main_~#id2~0.base_8| (store (select |v_#memory_int_23| |v_ULTIMATE.start_main_~#id2~0.base_8|) |v_ULTIMATE.start_main_~#id2~0.offset_8| (_ bv1 32)))) InVars {ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_8|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_8|, #memory_int=|v_#memory_int_23|} OutVars{ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_8|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_8|, #memory_int=|v_#memory_int_22|, ULTIMATE.start_main_#t~nondet49=|v_ULTIMATE.start_main_#t~nondet49_4|} AuxVars[] AssignedVars[#memory_int, ULTIMATE.start_main_#t~nondet49] because there is no mapped edge [2019-12-07 10:20:57,391 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [501] [501] t2ENTRY-->L983-6: Formula: (and (= (_ bv0 32) v_t2Thread1of1ForFork1_~i~1_23) (= v_t2Thread1of1ForFork1_~arg.base_2 |v_t2Thread1of1ForFork1_#in~arg.base_4|) (= v_t2Thread1of1ForFork1_~arg.offset_2 |v_t2Thread1of1ForFork1_#in~arg.offset_4|)) InVars {t2Thread1of1ForFork1_#in~arg.base=|v_t2Thread1of1ForFork1_#in~arg.base_4|, t2Thread1of1ForFork1_#in~arg.offset=|v_t2Thread1of1ForFork1_#in~arg.offset_4|} OutVars{t2Thread1of1ForFork1_#in~arg.base=|v_t2Thread1of1ForFork1_#in~arg.base_4|, t2Thread1of1ForFork1_~arg.base=v_t2Thread1of1ForFork1_~arg.base_2, t2Thread1of1ForFork1_~arg.offset=v_t2Thread1of1ForFork1_~arg.offset_2, t2Thread1of1ForFork1_#in~arg.offset=|v_t2Thread1of1ForFork1_#in~arg.offset_4|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_23} AuxVars[] AssignedVars[t2Thread1of1ForFork1_~arg.base, t2Thread1of1ForFork1_~arg.offset, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2019-12-07 10:20:57,391 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [511] [511] t1ENTRY-->L968-6: Formula: (and (= (_ bv0 32) v_t1Thread1of1ForFork0_~i~0_30) (= v_t1Thread1of1ForFork0_~arg.offset_2 |v_t1Thread1of1ForFork0_#in~arg.offset_4|) (= v_t1Thread1of1ForFork0_~arg.base_2 |v_t1Thread1of1ForFork0_#in~arg.base_4|)) InVars {t1Thread1of1ForFork0_#in~arg.base=|v_t1Thread1of1ForFork0_#in~arg.base_4|, t1Thread1of1ForFork0_#in~arg.offset=|v_t1Thread1of1ForFork0_#in~arg.offset_4|} OutVars{t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_30, t1Thread1of1ForFork0_~tmp~0=v_t1Thread1of1ForFork0_~tmp~0_12, t1Thread1of1ForFork0_~arg.base=v_t1Thread1of1ForFork0_~arg.base_2, t1Thread1of1ForFork0_#in~arg.base=|v_t1Thread1of1ForFork0_#in~arg.base_4|, t1Thread1of1ForFork0_~arg.offset=v_t1Thread1of1ForFork0_~arg.offset_2, t1Thread1of1ForFork0_#in~arg.offset=|v_t1Thread1of1ForFork0_#in~arg.offset_4|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_~i~0, t1Thread1of1ForFork0_~tmp~0, t1Thread1of1ForFork0_~arg.base, t1Thread1of1ForFork0_~arg.offset] because there is no mapped edge [2019-12-07 10:20:57,391 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [497] [497] L968-6-->L971-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_70| |v_~#m~0.base_38|))) (and (= |v_#pthreadsMutex_69| (store |v_#pthreadsMutex_70| |v_~#m~0.base_38| (store .cse0 |v_~#m~0.offset_38| (_ bv1 1)))) (= (select .cse0 |v_~#m~0.offset_38|) (_ bv0 1)) (bvslt v_t1Thread1of1ForFork0_~i~0_29 (_ bv400 32)) (= v_t1Thread1of1ForFork0_~tmp~0_10 |v_t1Thread1of1ForFork0_#t~nondet44_5|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_70|, ~#m~0.base=|v_~#m~0.base_38|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_29, ~#m~0.offset=|v_~#m~0.offset_38|, t1Thread1of1ForFork0_#t~nondet44=|v_t1Thread1of1ForFork0_#t~nondet44_5|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_69|, ~#m~0.base=|v_~#m~0.base_38|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_29, t1Thread1of1ForFork0_~tmp~0=v_t1Thread1of1ForFork0_~tmp~0_10, ~#m~0.offset=|v_~#m~0.offset_38|, t1Thread1of1ForFork0_#t~nondet43=|v_t1Thread1of1ForFork0_#t~nondet43_13|, t1Thread1of1ForFork0_#t~nondet44=|v_t1Thread1of1ForFork0_#t~nondet44_5|} AuxVars[] AssignedVars[#pthreadsMutex, t1Thread1of1ForFork0_~tmp~0, t1Thread1of1ForFork0_#t~nondet43] because there is no mapped edge [2019-12-07 10:20:57,391 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [518] [518] L971-1-->L945: Formula: (and (= |v_t1Thread1of1ForFork0_push_#in~stack.base_9| v_t1Thread1of1ForFork0_push_~stack.base_20) (= v_t1Thread1of1ForFork0_~tmp~0_20 |v_t1Thread1of1ForFork0_push_#in~x_14|) (= |v_~#arr~0.offset_20| |v_t1Thread1of1ForFork0_push_#in~stack.offset_9|) (= |v_t1Thread1of1ForFork0_push_#in~stack.base_9| |v_~#arr~0.base_23|) (not (= (ite (bvult v_t1Thread1of1ForFork0_~tmp~0_20 (_ bv400 32)) (_ bv1 32) (_ bv0 32)) (_ bv0 32))) (= |v_t1Thread1of1ForFork0_push_#in~x_14| v_t1Thread1of1ForFork0_push_~x_27) (= v_t1Thread1of1ForFork0_push_~stack.offset_20 |v_t1Thread1of1ForFork0_push_#in~stack.offset_9|) (not (= v_~top~0_86 (_ bv400 32)))) InVars {~#arr~0.offset=|v_~#arr~0.offset_20|, t1Thread1of1ForFork0_~tmp~0=v_t1Thread1of1ForFork0_~tmp~0_20, ~top~0=v_~top~0_86, ~#arr~0.base=|v_~#arr~0.base_23|} OutVars{t1Thread1of1ForFork0_push_#in~x=|v_t1Thread1of1ForFork0_push_#in~x_14|, ~#arr~0.offset=|v_~#arr~0.offset_20|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_20, t1Thread1of1ForFork0_push_#res=|v_t1Thread1of1ForFork0_push_#res_26|, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_26|, ~top~0=v_~top~0_86, t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_20, t1Thread1of1ForFork0_push_#in~stack.base=|v_t1Thread1of1ForFork0_push_#in~stack.base_9|, t1Thread1of1ForFork0_~tmp~0=v_t1Thread1of1ForFork0_~tmp~0_20, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_27, t1Thread1of1ForFork0_push_#t~nondet34=|v_t1Thread1of1ForFork0_push_#t~nondet34_11|, t1Thread1of1ForFork0_push_#in~stack.offset=|v_t1Thread1of1ForFork0_push_#in~stack.offset_9|, ~#arr~0.base=|v_~#arr~0.base_23|, t1Thread1of1ForFork0_#t~nondet44=|v_t1Thread1of1ForFork0_#t~nondet44_14|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_#in~x, t1Thread1of1ForFork0_push_~stack.base, t1Thread1of1ForFork0_push_#in~stack.base, t1Thread1of1ForFork0_push_~x, t1Thread1of1ForFork0_push_#t~nondet34, t1Thread1of1ForFork0_push_~stack.offset, t1Thread1of1ForFork0_push_#res, t1Thread1of1ForFork0_push_#t~ret36, t1Thread1of1ForFork0_push_#in~stack.offset, t1Thread1of1ForFork0_#t~nondet44] because there is no mapped edge [2019-12-07 10:20:57,392 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [419] [419] L945-->L930-1: Formula: (= v_~top~0_17 |v_t1Thread1of1ForFork0_get_top_#res_4|) InVars {~top~0=v_~top~0_17} OutVars{t1Thread1of1ForFork0_get_top_#res=|v_t1Thread1of1ForFork0_get_top_#res_4|, ~top~0=v_~top~0_17} AuxVars[] AssignedVars[t1Thread1of1ForFork0_get_top_#res] because there is no mapped edge [2019-12-07 10:20:57,392 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [443] [443] L930-1-->L945-2: Formula: (and (= (store |v_#memory_int_25| v_t1Thread1of1ForFork0_push_~stack.base_6 (store (select |v_#memory_int_25| v_t1Thread1of1ForFork0_push_~stack.base_6) (bvadd (bvmul |v_t1Thread1of1ForFork0_push_#t~ret36_8| (_ bv4 32)) v_t1Thread1of1ForFork0_push_~stack.offset_6) v_t1Thread1of1ForFork0_push_~x_8)) |v_#memory_int_24|) (= |v_t1Thread1of1ForFork0_push_#t~ret36_8| |v_t1Thread1of1ForFork0_get_top_#res_6|)) InVars {t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_6, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_8, #memory_int=|v_#memory_int_25|, t1Thread1of1ForFork0_get_top_#res=|v_t1Thread1of1ForFork0_get_top_#res_6|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_6} OutVars{t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_6, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_8, #memory_int=|v_#memory_int_24|, t1Thread1of1ForFork0_get_top_#res=|v_t1Thread1of1ForFork0_get_top_#res_6|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_6, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_8|} AuxVars[] AssignedVars[#memory_int, t1Thread1of1ForFork0_push_#t~ret36] because there is no mapped edge [2019-12-07 10:20:57,392 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [482] [482] L945-2-->L922-1: Formula: (= v_~top~0_44 |v_t1Thread1of1ForFork0_inc_top_#t~post31_24|) InVars {~top~0=v_~top~0_44} OutVars{t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_24|, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_10|, ~top~0=v_~top~0_44} AuxVars[] AssignedVars[t1Thread1of1ForFork0_inc_top_#t~post31, t1Thread1of1ForFork0_push_#t~ret36] because there is no mapped edge [2019-12-07 10:20:57,392 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [474] [474] L922-1-->L973-3: Formula: (and (= |v_t1Thread1of1ForFork0_#t~ret45_11| |v_t1Thread1of1ForFork0_push_#res_7|) (= v_~top~0_41 (bvadd |v_t1Thread1of1ForFork0_inc_top_#t~post31_23| (_ bv1 32))) (= (_ bv0 32) |v_t1Thread1of1ForFork0_push_#res_7|)) InVars {t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_23|} OutVars{t1Thread1of1ForFork0_#t~ret45=|v_t1Thread1of1ForFork0_#t~ret45_11|, t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_22|, t1Thread1of1ForFork0_push_#res=|v_t1Thread1of1ForFork0_push_#res_7|, ~top~0=v_~top~0_41} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret45, t1Thread1of1ForFork0_inc_top_#t~post31, t1Thread1of1ForFork0_push_#res, ~top~0] because there is no mapped edge [2019-12-07 10:20:57,392 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [516] [516] L973-3-->L976: Formula: (and (= (_ bv1 8) ~flag~0_Out1128586803) (not (= |t1Thread1of1ForFork0_#t~ret45_In1128586803| (_ bv4294967295 32)))) InVars {t1Thread1of1ForFork0_#t~ret45=|t1Thread1of1ForFork0_#t~ret45_In1128586803|} OutVars{t1Thread1of1ForFork0_#t~ret45=|t1Thread1of1ForFork0_#t~ret45_Out1128586803|, ~flag~0=~flag~0_Out1128586803} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret45, ~flag~0] because there is no mapped edge [2019-12-07 10:20:57,392 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [480] [480] L976-->L968-6: Formula: (and (= (bvadd v_t1Thread1of1ForFork0_~i~0_15 (_ bv1 32)) v_t1Thread1of1ForFork0_~i~0_14) (= |v_#pthreadsMutex_34| (store |v_#pthreadsMutex_35| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_35| |v_~#m~0.base_25|) |v_~#m~0.offset_25| (_ bv0 1))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_35|, ~#m~0.base=|v_~#m~0.base_25|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_15, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_34|, ~#m~0.base=|v_~#m~0.base_25|, t1Thread1of1ForFork0_#t~post42=|v_t1Thread1of1ForFork0_#t~post42_9|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_14, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t1Thread1of1ForFork0_#t~post42, t1Thread1of1ForFork0_~i~0] because there is no mapped edge [2019-12-07 10:20:57,392 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [449] [449] L983-6-->L985-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_12| |v_~#m~0.base_12|))) (and (= (select .cse0 |v_~#m~0.offset_12|) (_ bv0 1)) (= |v_#pthreadsMutex_11| (store |v_#pthreadsMutex_12| |v_~#m~0.base_12| (store .cse0 |v_~#m~0.offset_12| (_ bv1 1)))) (bvslt v_t2Thread1of1ForFork1_~i~1_12 (_ bv400 32)) (= |v_t2Thread1of1ForFork1_#t~nondet47_5| (_ bv0 32)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_12|, ~#m~0.base=|v_~#m~0.base_12|, ~#m~0.offset=|v_~#m~0.offset_12|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_5|, #pthreadsMutex=|v_#pthreadsMutex_11|, ~#m~0.base=|v_~#m~0.base_12|, ~#m~0.offset=|v_~#m~0.offset_12|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, #pthreadsMutex] because there is no mapped edge [2019-12-07 10:20:57,392 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [524] [524] L985-1-->L952-1: Formula: (and (not (= (_ bv0 8) v_~flag~0_48)) (= v_~top~0_98 |v_t2Thread1of1ForFork1_get_top_#res_29|) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_18| v_t2Thread1of1ForFork1_pop_~stack.offset_24) (= |v_t2Thread1of1ForFork1_pop_#in~stack.base_18| |v_~#arr~0.base_35|) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_18| |v_~#arr~0.offset_32|) (= v_t2Thread1of1ForFork1_pop_~stack.base_24 |v_t2Thread1of1ForFork1_pop_#in~stack.base_18|) (= |v_t2Thread1of1ForFork1_get_top_#res_29| |v_t2Thread1of1ForFork1_pop_#t~ret37_37|)) InVars {~#arr~0.offset=|v_~#arr~0.offset_32|, ~flag~0=v_~flag~0_48, ~top~0=v_~top~0_98, ~#arr~0.base=|v_~#arr~0.base_35|} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_46|, t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_24, ~#arr~0.offset=|v_~#arr~0.offset_32|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_32|, ~flag~0=v_~flag~0_48, t2Thread1of1ForFork1_pop_#in~stack.offset=|v_t2Thread1of1ForFork1_pop_#in~stack.offset_18|, ~top~0=v_~top~0_98, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_37|, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_29|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_27|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_37|, t2Thread1of1ForFork1_pop_#t~nondet38=|v_t2Thread1of1ForFork1_pop_#t~nondet38_13|, t2Thread1of1ForFork1_pop_#in~stack.base=|v_t2Thread1of1ForFork1_pop_#in~stack.base_18|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_24, ~#arr~0.base=|v_~#arr~0.base_35|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, t2Thread1of1ForFork1_pop_~stack.offset, t2Thread1of1ForFork1_get_top_#res, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40, t2Thread1of1ForFork1_pop_#t~nondet38, t2Thread1of1ForFork1_pop_#in~stack.offset, t2Thread1of1ForFork1_pop_#in~stack.base, t2Thread1of1ForFork1_pop_~stack.base, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-12-07 10:20:57,392 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [481] [481] L952-1-->L926-1: Formula: (and (= v_~top~0_43 |v_t2Thread1of1ForFork1_dec_top_#t~post32_18|) (not (= (_ bv0 32) |v_t2Thread1of1ForFork1_pop_#t~ret37_16|))) InVars {~top~0=v_~top~0_43, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_16|} OutVars{t2Thread1of1ForFork1_dec_top_#t~post32=|v_t2Thread1of1ForFork1_dec_top_#t~post32_18|, ~top~0=v_~top~0_43, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_15|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_dec_top_#t~post32, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-12-07 10:20:57,393 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [483] [483] L926-2-->L960: Formula: (and (= v_~top~0_45 |v_t2Thread1of1ForFork1_get_top_#res_14|) (= |v_t2Thread1of1ForFork1_get_top_#res_14| |v_t2Thread1of1ForFork1_pop_#t~ret40_11|)) InVars {~top~0=v_~top~0_45} OutVars{t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_14|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_11|, t2Thread1of1ForFork1_dec_top_#t~post32=|v_t2Thread1of1ForFork1_dec_top_#t~post32_19|, ~top~0=v_~top~0_45} AuxVars[] AssignedVars[t2Thread1of1ForFork1_get_top_#res, t2Thread1of1ForFork1_pop_#t~ret40, t2Thread1of1ForFork1_dec_top_#t~post32] because there is no mapped edge [2019-12-07 10:20:57,393 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [515] [515] L960-->L988-3: Formula: (and (= |v_t2Thread1of1ForFork1_#t~ret48_29| |v_t2Thread1of1ForFork1_pop_#res_22|) (= (select (select |v_#memory_int_50| v_t2Thread1of1ForFork1_pop_~stack.base_15) (bvadd (bvmul |v_t2Thread1of1ForFork1_pop_#t~ret40_24| (_ bv4 32)) v_t2Thread1of1ForFork1_pop_~stack.offset_15)) |v_t2Thread1of1ForFork1_pop_#res_22|)) InVars {t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_15, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_24|, #memory_int=|v_#memory_int_50|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_15} OutVars{t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_15, t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_29|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_22|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_17|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_23|, #memory_int=|v_#memory_int_50|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_15} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40] because there is no mapped edge [2019-12-07 10:20:57,393 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [522] [522] L988-3-->L983-6: Formula: (and (not (= |v_t2Thread1of1ForFork1_#t~ret48_42| (_ bv4294967294 32))) (= (store |v_#pthreadsMutex_162| |v_~#m~0.base_76| (store (select |v_#pthreadsMutex_162| |v_~#m~0.base_76|) |v_~#m~0.offset_76| (_ bv0 1))) |v_#pthreadsMutex_161|) (= (bvadd v_t2Thread1of1ForFork1_~i~1_57 (_ bv1 32)) v_t2Thread1of1ForFork1_~i~1_56)) InVars {#pthreadsMutex=|v_#pthreadsMutex_162|, ~#m~0.base=|v_~#m~0.base_76|, t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_42|, ~#m~0.offset=|v_~#m~0.offset_76|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_57} OutVars{#pthreadsMutex=|v_#pthreadsMutex_161|, ~#m~0.base=|v_~#m~0.base_76|, t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_41|, ~#m~0.offset=|v_~#m~0.offset_76|, t2Thread1of1ForFork1_#t~post46=|v_t2Thread1of1ForFork1_#t~post46_17|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_56} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_#t~post46, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2019-12-07 10:20:57,393 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [449] [449] L983-6-->L985-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_12| |v_~#m~0.base_12|))) (and (= (select .cse0 |v_~#m~0.offset_12|) (_ bv0 1)) (= |v_#pthreadsMutex_11| (store |v_#pthreadsMutex_12| |v_~#m~0.base_12| (store .cse0 |v_~#m~0.offset_12| (_ bv1 1)))) (bvslt v_t2Thread1of1ForFork1_~i~1_12 (_ bv400 32)) (= |v_t2Thread1of1ForFork1_#t~nondet47_5| (_ bv0 32)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_12|, ~#m~0.base=|v_~#m~0.base_12|, ~#m~0.offset=|v_~#m~0.offset_12|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_5|, #pthreadsMutex=|v_#pthreadsMutex_11|, ~#m~0.base=|v_~#m~0.base_12|, ~#m~0.offset=|v_~#m~0.offset_12|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, #pthreadsMutex] because there is no mapped edge [2019-12-07 10:20:57,393 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [525] [525] L985-1-->L988-3: Formula: (and (not (= (_ bv0 8) v_~flag~0_49)) (= |v_t2Thread1of1ForFork1_get_top_#res_31| (_ bv0 32)) (= |v_t2Thread1of1ForFork1_pop_#in~stack.base_19| |v_~#arr~0.base_36|) (= v_t2Thread1of1ForFork1_pop_~stack.base_25 |v_t2Thread1of1ForFork1_pop_#in~stack.base_19|) (= v_~top~0_99 |v_t2Thread1of1ForFork1_get_top_#res_31|) (= |v_t2Thread1of1ForFork1_#t~ret48_49| |v_t2Thread1of1ForFork1_pop_#res_33|) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_19| |v_~#arr~0.offset_33|) (= |v_t2Thread1of1ForFork1_pop_#res_33| (_ bv4294967294 32)) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_19| v_t2Thread1of1ForFork1_pop_~stack.offset_25)) InVars {~#arr~0.offset=|v_~#arr~0.offset_33|, ~flag~0=v_~flag~0_49, ~top~0=v_~top~0_99, ~#arr~0.base=|v_~#arr~0.base_36|} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_47|, t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_25, ~#arr~0.offset=|v_~#arr~0.offset_33|, t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_49|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_33|, ~flag~0=v_~flag~0_49, t2Thread1of1ForFork1_pop_#in~stack.offset=|v_t2Thread1of1ForFork1_pop_#in~stack.offset_19|, ~top~0=v_~top~0_99, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_39|, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_31|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_28|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_38|, t2Thread1of1ForFork1_pop_#t~nondet38=|v_t2Thread1of1ForFork1_pop_#t~nondet38_14|, t2Thread1of1ForFork1_pop_#in~stack.base=|v_t2Thread1of1ForFork1_pop_#in~stack.base_19|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_25, ~#arr~0.base=|v_~#arr~0.base_36|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, t2Thread1of1ForFork1_pop_~stack.offset, t2Thread1of1ForFork1_get_top_#res, t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40, t2Thread1of1ForFork1_pop_#t~nondet38, t2Thread1of1ForFork1_pop_#in~stack.offset, t2Thread1of1ForFork1_pop_#in~stack.base, t2Thread1of1ForFork1_pop_~stack.base, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-12-07 10:20:57,393 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [471] [471] L988-3-->t2Err0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (= |v_t2Thread1of1ForFork1_#t~ret48_12| (_ bv4294967294 32)) InVars {t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_12|} OutVars{t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_11|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~ret48] because there is no mapped edge [2019-12-07 10:20:57,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:20:57 BasicIcfg [2019-12-07 10:20:57,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:20:57,404 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:20:57,404 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:20:57,404 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:20:57,405 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:20:43" (3/4) ... [2019-12-07 10:20:57,406 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 10:20:57,406 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [526] [526] ULTIMATE.startENTRY-->L999-1: Formula: (let ((.cse0 (store |v_#valid_63| (_ bv0 32) (_ bv0 1)))) (let ((.cse1 (store .cse0 |v_#t~string35.base_6| (_ bv1 1)))) (let ((.cse7 (store .cse1 |v_#t~string39.base_6| (_ bv1 1)))) (let ((.cse3 (store .cse7 |v_~#arr~0.base_37| (_ bv1 1)))) (let ((.cse2 (store |v_#memory_int_69| |v_~#arr~0.base_37| ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (.cse4 (store .cse3 |v_~#m~0.base_88| (_ bv1 1)))) (let ((.cse5 (store .cse4 |v_ULTIMATE.start_main_~#id1~0.base_21| (_ bv1 1))) (.cse6 (select .cse2 |v_~#m~0.base_88|))) (and (= (select .cse0 |v_#t~string35.base_6|) (_ bv0 1)) (bvult |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#id2~0.base_23|) (= |v_#NULL.base_6| (_ bv0 32)) (= (_ bv0 1) (select .cse1 |v_#t~string39.base_6|)) (= (_ bv0 32) |v_#NULL.offset_6|) (= |v_#memory_int_67| (store .cse2 |v_ULTIMATE.start_main_~#id1~0.base_21| (store (select .cse2 |v_ULTIMATE.start_main_~#id1~0.base_21|) |v_ULTIMATE.start_main_~#id1~0.offset_18| (_ bv0 32)))) (= |v_ULTIMATE.start_main_~#id1~0.offset_18| (_ bv0 32)) (= (_ bv0 1) (select .cse3 |v_~#m~0.base_88|)) (= |v_#t~string39.offset_6| (_ bv0 32)) (= (_ bv0 1) (select .cse4 |v_ULTIMATE.start_main_~#id1~0.base_21|)) (bvult |v_#StackHeapBarrier_22| |v_ULTIMATE.start_main_~#id1~0.base_21|) (= (select .cse5 |v_ULTIMATE.start_main_~#id2~0.base_23|) (_ bv0 1)) (= (_ bv0 32) |v_#t~string35.offset_6|) (bvult (_ bv0 32) |v_#StackHeapBarrier_22|) (= (_ bv0 32) |v_~#m~0.offset_88|) (= |v_~#arr~0.offset_34| (_ bv0 32)) (= |v_#length_41| (store (store (store (store (store (store |v_#length_43| |v_#t~string35.base_6| (_ bv16 32)) |v_#t~string39.base_6| (_ bv17 32)) |v_~#arr~0.base_37| (_ bv1600 32)) |v_~#m~0.base_88| (_ bv24 32)) |v_ULTIMATE.start_main_~#id1~0.base_21| (_ bv4 32)) |v_ULTIMATE.start_main_~#id2~0.base_23| (_ bv4 32))) (= (_ bv0 32) (select .cse6 |v_~#m~0.offset_88|)) (bvult |v_#StackHeapBarrier_22| |v_~#arr~0.base_37|) (= |v_#valid_61| (store .cse5 |v_ULTIMATE.start_main_~#id2~0.base_23| (_ bv1 1))) (= (_ bv0 32) (select .cse6 (bvadd |v_~#m~0.offset_88| (_ bv12 32)))) (= (select .cse6 (bvadd |v_~#m~0.offset_88| (_ bv8 32))) (_ bv0 32)) (= (select .cse6 (bvadd |v_~#m~0.offset_88| (_ bv16 32))) (_ bv0 32)) (= (_ bv0 8) v_~flag~0_50) (= |v_ULTIMATE.start_main_~#id2~0.offset_20| (_ bv0 32)) (= (_ bv0 1) (select .cse7 |v_~#arr~0.base_37|)) (= |v_#pthreadsMutex_195| (store |v_#pthreadsMutex_196| |v_~#m~0.base_88| (store (select |v_#pthreadsMutex_196| |v_~#m~0.base_88|) |v_~#m~0.offset_88| (_ bv0 1)))) (bvult |v_#StackHeapBarrier_22| |v_#t~string39.base_6|) (bvult |v_#StackHeapBarrier_22| |v_#t~string35.base_6|) (= roundNearestTiesToEven v_currentRoundingMode_6) (bvult |v_#StackHeapBarrier_22| |v_~#m~0.base_88|) (= (_ bv0 32) (select .cse6 (bvadd |v_~#m~0.offset_88| (_ bv4 32)))) (= v_~top~0_100 (_ bv0 32))))))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_196|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, #valid=|v_#valid_63|, #memory_int=|v_#memory_int_69|, #length=|v_#length_43|} OutVars{ULTIMATE.start_main_~#id1~0.base=|v_ULTIMATE.start_main_~#id1~0.base_21|, #t~string35.offset=|v_#t~string35.offset_6|, ~flag~0=v_~flag~0_50, #t~string39.base=|v_#t~string39.base_6|, #NULL.offset=|v_#NULL.offset_6|, ~top~0=v_~top~0_100, ULTIMATE.start_main_#t~nondet50=|v_ULTIMATE.start_main_#t~nondet50_8|, ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_23|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_20|, #t~string39.offset=|v_#t~string39.offset_6|, #length=|v_#length_41|, ULTIMATE.start_main_#t~nondet49=|v_ULTIMATE.start_main_#t~nondet49_8|, ~#arr~0.base=|v_~#arr~0.base_37|, #pthreadsMutex=|v_#pthreadsMutex_195|, ~#arr~0.offset=|v_~#arr~0.offset_34|, ULTIMATE.start_main_#t~mem52=|v_ULTIMATE.start_main_#t~mem52_16|, ULTIMATE.start_main_#t~mem51=|v_ULTIMATE.start_main_#t~mem51_13|, #t~string35.base=|v_#t~string35.base_6|, #NULL.base=|v_#NULL.base_6|, ~#m~0.base=|v_~#m~0.base_88|, #StackHeapBarrier=|v_#StackHeapBarrier_22|, ~#m~0.offset=|v_~#m~0.offset_88|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_13|, #valid=|v_#valid_61|, #memory_int=|v_#memory_int_67|, ULTIMATE.start_main_~#id1~0.offset=|v_ULTIMATE.start_main_~#id1~0.offset_18|, currentRoundingMode=v_currentRoundingMode_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~#id1~0.base, #t~string35.offset, ~flag~0, #t~string39.base, #NULL.offset, ~top~0, ULTIMATE.start_main_#t~nondet50, ULTIMATE.start_main_~#id2~0.base, ULTIMATE.start_main_~#id2~0.offset, #t~string39.offset, #length, ULTIMATE.start_main_#t~nondet49, ~#arr~0.base, #pthreadsMutex, ~#arr~0.offset, ULTIMATE.start_main_#t~mem52, ULTIMATE.start_main_#t~mem51, #t~string35.base, #NULL.base, ~#m~0.base, ~#m~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#id1~0.offset, currentRoundingMode] because there is no mapped edge [2019-12-07 10:20:57,406 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [432] [432] L999-2-->L1000-1: Formula: (= |v_#memory_int_22| (store |v_#memory_int_23| |v_ULTIMATE.start_main_~#id2~0.base_8| (store (select |v_#memory_int_23| |v_ULTIMATE.start_main_~#id2~0.base_8|) |v_ULTIMATE.start_main_~#id2~0.offset_8| (_ bv1 32)))) InVars {ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_8|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_8|, #memory_int=|v_#memory_int_23|} OutVars{ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_8|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_8|, #memory_int=|v_#memory_int_22|, ULTIMATE.start_main_#t~nondet49=|v_ULTIMATE.start_main_#t~nondet49_4|} AuxVars[] AssignedVars[#memory_int, ULTIMATE.start_main_#t~nondet49] because there is no mapped edge [2019-12-07 10:20:57,407 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [501] [501] t2ENTRY-->L983-6: Formula: (and (= (_ bv0 32) v_t2Thread1of1ForFork1_~i~1_23) (= v_t2Thread1of1ForFork1_~arg.base_2 |v_t2Thread1of1ForFork1_#in~arg.base_4|) (= v_t2Thread1of1ForFork1_~arg.offset_2 |v_t2Thread1of1ForFork1_#in~arg.offset_4|)) InVars {t2Thread1of1ForFork1_#in~arg.base=|v_t2Thread1of1ForFork1_#in~arg.base_4|, t2Thread1of1ForFork1_#in~arg.offset=|v_t2Thread1of1ForFork1_#in~arg.offset_4|} OutVars{t2Thread1of1ForFork1_#in~arg.base=|v_t2Thread1of1ForFork1_#in~arg.base_4|, t2Thread1of1ForFork1_~arg.base=v_t2Thread1of1ForFork1_~arg.base_2, t2Thread1of1ForFork1_~arg.offset=v_t2Thread1of1ForFork1_~arg.offset_2, t2Thread1of1ForFork1_#in~arg.offset=|v_t2Thread1of1ForFork1_#in~arg.offset_4|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_23} AuxVars[] AssignedVars[t2Thread1of1ForFork1_~arg.base, t2Thread1of1ForFork1_~arg.offset, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2019-12-07 10:20:57,407 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [511] [511] t1ENTRY-->L968-6: Formula: (and (= (_ bv0 32) v_t1Thread1of1ForFork0_~i~0_30) (= v_t1Thread1of1ForFork0_~arg.offset_2 |v_t1Thread1of1ForFork0_#in~arg.offset_4|) (= v_t1Thread1of1ForFork0_~arg.base_2 |v_t1Thread1of1ForFork0_#in~arg.base_4|)) InVars {t1Thread1of1ForFork0_#in~arg.base=|v_t1Thread1of1ForFork0_#in~arg.base_4|, t1Thread1of1ForFork0_#in~arg.offset=|v_t1Thread1of1ForFork0_#in~arg.offset_4|} OutVars{t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_30, t1Thread1of1ForFork0_~tmp~0=v_t1Thread1of1ForFork0_~tmp~0_12, t1Thread1of1ForFork0_~arg.base=v_t1Thread1of1ForFork0_~arg.base_2, t1Thread1of1ForFork0_#in~arg.base=|v_t1Thread1of1ForFork0_#in~arg.base_4|, t1Thread1of1ForFork0_~arg.offset=v_t1Thread1of1ForFork0_~arg.offset_2, t1Thread1of1ForFork0_#in~arg.offset=|v_t1Thread1of1ForFork0_#in~arg.offset_4|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_~i~0, t1Thread1of1ForFork0_~tmp~0, t1Thread1of1ForFork0_~arg.base, t1Thread1of1ForFork0_~arg.offset] because there is no mapped edge [2019-12-07 10:20:57,407 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [497] [497] L968-6-->L971-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_70| |v_~#m~0.base_38|))) (and (= |v_#pthreadsMutex_69| (store |v_#pthreadsMutex_70| |v_~#m~0.base_38| (store .cse0 |v_~#m~0.offset_38| (_ bv1 1)))) (= (select .cse0 |v_~#m~0.offset_38|) (_ bv0 1)) (bvslt v_t1Thread1of1ForFork0_~i~0_29 (_ bv400 32)) (= v_t1Thread1of1ForFork0_~tmp~0_10 |v_t1Thread1of1ForFork0_#t~nondet44_5|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_70|, ~#m~0.base=|v_~#m~0.base_38|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_29, ~#m~0.offset=|v_~#m~0.offset_38|, t1Thread1of1ForFork0_#t~nondet44=|v_t1Thread1of1ForFork0_#t~nondet44_5|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_69|, ~#m~0.base=|v_~#m~0.base_38|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_29, t1Thread1of1ForFork0_~tmp~0=v_t1Thread1of1ForFork0_~tmp~0_10, ~#m~0.offset=|v_~#m~0.offset_38|, t1Thread1of1ForFork0_#t~nondet43=|v_t1Thread1of1ForFork0_#t~nondet43_13|, t1Thread1of1ForFork0_#t~nondet44=|v_t1Thread1of1ForFork0_#t~nondet44_5|} AuxVars[] AssignedVars[#pthreadsMutex, t1Thread1of1ForFork0_~tmp~0, t1Thread1of1ForFork0_#t~nondet43] because there is no mapped edge [2019-12-07 10:20:57,407 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [518] [518] L971-1-->L945: Formula: (and (= |v_t1Thread1of1ForFork0_push_#in~stack.base_9| v_t1Thread1of1ForFork0_push_~stack.base_20) (= v_t1Thread1of1ForFork0_~tmp~0_20 |v_t1Thread1of1ForFork0_push_#in~x_14|) (= |v_~#arr~0.offset_20| |v_t1Thread1of1ForFork0_push_#in~stack.offset_9|) (= |v_t1Thread1of1ForFork0_push_#in~stack.base_9| |v_~#arr~0.base_23|) (not (= (ite (bvult v_t1Thread1of1ForFork0_~tmp~0_20 (_ bv400 32)) (_ bv1 32) (_ bv0 32)) (_ bv0 32))) (= |v_t1Thread1of1ForFork0_push_#in~x_14| v_t1Thread1of1ForFork0_push_~x_27) (= v_t1Thread1of1ForFork0_push_~stack.offset_20 |v_t1Thread1of1ForFork0_push_#in~stack.offset_9|) (not (= v_~top~0_86 (_ bv400 32)))) InVars {~#arr~0.offset=|v_~#arr~0.offset_20|, t1Thread1of1ForFork0_~tmp~0=v_t1Thread1of1ForFork0_~tmp~0_20, ~top~0=v_~top~0_86, ~#arr~0.base=|v_~#arr~0.base_23|} OutVars{t1Thread1of1ForFork0_push_#in~x=|v_t1Thread1of1ForFork0_push_#in~x_14|, ~#arr~0.offset=|v_~#arr~0.offset_20|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_20, t1Thread1of1ForFork0_push_#res=|v_t1Thread1of1ForFork0_push_#res_26|, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_26|, ~top~0=v_~top~0_86, t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_20, t1Thread1of1ForFork0_push_#in~stack.base=|v_t1Thread1of1ForFork0_push_#in~stack.base_9|, t1Thread1of1ForFork0_~tmp~0=v_t1Thread1of1ForFork0_~tmp~0_20, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_27, t1Thread1of1ForFork0_push_#t~nondet34=|v_t1Thread1of1ForFork0_push_#t~nondet34_11|, t1Thread1of1ForFork0_push_#in~stack.offset=|v_t1Thread1of1ForFork0_push_#in~stack.offset_9|, ~#arr~0.base=|v_~#arr~0.base_23|, t1Thread1of1ForFork0_#t~nondet44=|v_t1Thread1of1ForFork0_#t~nondet44_14|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_#in~x, t1Thread1of1ForFork0_push_~stack.base, t1Thread1of1ForFork0_push_#in~stack.base, t1Thread1of1ForFork0_push_~x, t1Thread1of1ForFork0_push_#t~nondet34, t1Thread1of1ForFork0_push_~stack.offset, t1Thread1of1ForFork0_push_#res, t1Thread1of1ForFork0_push_#t~ret36, t1Thread1of1ForFork0_push_#in~stack.offset, t1Thread1of1ForFork0_#t~nondet44] because there is no mapped edge [2019-12-07 10:20:57,407 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [419] [419] L945-->L930-1: Formula: (= v_~top~0_17 |v_t1Thread1of1ForFork0_get_top_#res_4|) InVars {~top~0=v_~top~0_17} OutVars{t1Thread1of1ForFork0_get_top_#res=|v_t1Thread1of1ForFork0_get_top_#res_4|, ~top~0=v_~top~0_17} AuxVars[] AssignedVars[t1Thread1of1ForFork0_get_top_#res] because there is no mapped edge [2019-12-07 10:20:57,407 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [443] [443] L930-1-->L945-2: Formula: (and (= (store |v_#memory_int_25| v_t1Thread1of1ForFork0_push_~stack.base_6 (store (select |v_#memory_int_25| v_t1Thread1of1ForFork0_push_~stack.base_6) (bvadd (bvmul |v_t1Thread1of1ForFork0_push_#t~ret36_8| (_ bv4 32)) v_t1Thread1of1ForFork0_push_~stack.offset_6) v_t1Thread1of1ForFork0_push_~x_8)) |v_#memory_int_24|) (= |v_t1Thread1of1ForFork0_push_#t~ret36_8| |v_t1Thread1of1ForFork0_get_top_#res_6|)) InVars {t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_6, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_8, #memory_int=|v_#memory_int_25|, t1Thread1of1ForFork0_get_top_#res=|v_t1Thread1of1ForFork0_get_top_#res_6|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_6} OutVars{t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_6, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_8, #memory_int=|v_#memory_int_24|, t1Thread1of1ForFork0_get_top_#res=|v_t1Thread1of1ForFork0_get_top_#res_6|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_6, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_8|} AuxVars[] AssignedVars[#memory_int, t1Thread1of1ForFork0_push_#t~ret36] because there is no mapped edge [2019-12-07 10:20:57,407 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [482] [482] L945-2-->L922-1: Formula: (= v_~top~0_44 |v_t1Thread1of1ForFork0_inc_top_#t~post31_24|) InVars {~top~0=v_~top~0_44} OutVars{t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_24|, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_10|, ~top~0=v_~top~0_44} AuxVars[] AssignedVars[t1Thread1of1ForFork0_inc_top_#t~post31, t1Thread1of1ForFork0_push_#t~ret36] because there is no mapped edge [2019-12-07 10:20:57,407 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [474] [474] L922-1-->L973-3: Formula: (and (= |v_t1Thread1of1ForFork0_#t~ret45_11| |v_t1Thread1of1ForFork0_push_#res_7|) (= v_~top~0_41 (bvadd |v_t1Thread1of1ForFork0_inc_top_#t~post31_23| (_ bv1 32))) (= (_ bv0 32) |v_t1Thread1of1ForFork0_push_#res_7|)) InVars {t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_23|} OutVars{t1Thread1of1ForFork0_#t~ret45=|v_t1Thread1of1ForFork0_#t~ret45_11|, t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_22|, t1Thread1of1ForFork0_push_#res=|v_t1Thread1of1ForFork0_push_#res_7|, ~top~0=v_~top~0_41} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret45, t1Thread1of1ForFork0_inc_top_#t~post31, t1Thread1of1ForFork0_push_#res, ~top~0] because there is no mapped edge [2019-12-07 10:20:57,407 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [516] [516] L973-3-->L976: Formula: (and (= (_ bv1 8) ~flag~0_Out1128586803) (not (= |t1Thread1of1ForFork0_#t~ret45_In1128586803| (_ bv4294967295 32)))) InVars {t1Thread1of1ForFork0_#t~ret45=|t1Thread1of1ForFork0_#t~ret45_In1128586803|} OutVars{t1Thread1of1ForFork0_#t~ret45=|t1Thread1of1ForFork0_#t~ret45_Out1128586803|, ~flag~0=~flag~0_Out1128586803} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret45, ~flag~0] because there is no mapped edge [2019-12-07 10:20:57,407 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [480] [480] L976-->L968-6: Formula: (and (= (bvadd v_t1Thread1of1ForFork0_~i~0_15 (_ bv1 32)) v_t1Thread1of1ForFork0_~i~0_14) (= |v_#pthreadsMutex_34| (store |v_#pthreadsMutex_35| |v_~#m~0.base_25| (store (select |v_#pthreadsMutex_35| |v_~#m~0.base_25|) |v_~#m~0.offset_25| (_ bv0 1))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_35|, ~#m~0.base=|v_~#m~0.base_25|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_15, ~#m~0.offset=|v_~#m~0.offset_25|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_34|, ~#m~0.base=|v_~#m~0.base_25|, t1Thread1of1ForFork0_#t~post42=|v_t1Thread1of1ForFork0_#t~post42_9|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_14, ~#m~0.offset=|v_~#m~0.offset_25|} AuxVars[] AssignedVars[#pthreadsMutex, t1Thread1of1ForFork0_#t~post42, t1Thread1of1ForFork0_~i~0] because there is no mapped edge [2019-12-07 10:20:57,407 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [449] [449] L983-6-->L985-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_12| |v_~#m~0.base_12|))) (and (= (select .cse0 |v_~#m~0.offset_12|) (_ bv0 1)) (= |v_#pthreadsMutex_11| (store |v_#pthreadsMutex_12| |v_~#m~0.base_12| (store .cse0 |v_~#m~0.offset_12| (_ bv1 1)))) (bvslt v_t2Thread1of1ForFork1_~i~1_12 (_ bv400 32)) (= |v_t2Thread1of1ForFork1_#t~nondet47_5| (_ bv0 32)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_12|, ~#m~0.base=|v_~#m~0.base_12|, ~#m~0.offset=|v_~#m~0.offset_12|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_5|, #pthreadsMutex=|v_#pthreadsMutex_11|, ~#m~0.base=|v_~#m~0.base_12|, ~#m~0.offset=|v_~#m~0.offset_12|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, #pthreadsMutex] because there is no mapped edge [2019-12-07 10:20:57,408 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [524] [524] L985-1-->L952-1: Formula: (and (not (= (_ bv0 8) v_~flag~0_48)) (= v_~top~0_98 |v_t2Thread1of1ForFork1_get_top_#res_29|) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_18| v_t2Thread1of1ForFork1_pop_~stack.offset_24) (= |v_t2Thread1of1ForFork1_pop_#in~stack.base_18| |v_~#arr~0.base_35|) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_18| |v_~#arr~0.offset_32|) (= v_t2Thread1of1ForFork1_pop_~stack.base_24 |v_t2Thread1of1ForFork1_pop_#in~stack.base_18|) (= |v_t2Thread1of1ForFork1_get_top_#res_29| |v_t2Thread1of1ForFork1_pop_#t~ret37_37|)) InVars {~#arr~0.offset=|v_~#arr~0.offset_32|, ~flag~0=v_~flag~0_48, ~top~0=v_~top~0_98, ~#arr~0.base=|v_~#arr~0.base_35|} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_46|, t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_24, ~#arr~0.offset=|v_~#arr~0.offset_32|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_32|, ~flag~0=v_~flag~0_48, t2Thread1of1ForFork1_pop_#in~stack.offset=|v_t2Thread1of1ForFork1_pop_#in~stack.offset_18|, ~top~0=v_~top~0_98, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_37|, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_29|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_27|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_37|, t2Thread1of1ForFork1_pop_#t~nondet38=|v_t2Thread1of1ForFork1_pop_#t~nondet38_13|, t2Thread1of1ForFork1_pop_#in~stack.base=|v_t2Thread1of1ForFork1_pop_#in~stack.base_18|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_24, ~#arr~0.base=|v_~#arr~0.base_35|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, t2Thread1of1ForFork1_pop_~stack.offset, t2Thread1of1ForFork1_get_top_#res, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40, t2Thread1of1ForFork1_pop_#t~nondet38, t2Thread1of1ForFork1_pop_#in~stack.offset, t2Thread1of1ForFork1_pop_#in~stack.base, t2Thread1of1ForFork1_pop_~stack.base, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-12-07 10:20:57,408 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [481] [481] L952-1-->L926-1: Formula: (and (= v_~top~0_43 |v_t2Thread1of1ForFork1_dec_top_#t~post32_18|) (not (= (_ bv0 32) |v_t2Thread1of1ForFork1_pop_#t~ret37_16|))) InVars {~top~0=v_~top~0_43, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_16|} OutVars{t2Thread1of1ForFork1_dec_top_#t~post32=|v_t2Thread1of1ForFork1_dec_top_#t~post32_18|, ~top~0=v_~top~0_43, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_15|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_dec_top_#t~post32, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-12-07 10:20:57,408 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [483] [483] L926-2-->L960: Formula: (and (= v_~top~0_45 |v_t2Thread1of1ForFork1_get_top_#res_14|) (= |v_t2Thread1of1ForFork1_get_top_#res_14| |v_t2Thread1of1ForFork1_pop_#t~ret40_11|)) InVars {~top~0=v_~top~0_45} OutVars{t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_14|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_11|, t2Thread1of1ForFork1_dec_top_#t~post32=|v_t2Thread1of1ForFork1_dec_top_#t~post32_19|, ~top~0=v_~top~0_45} AuxVars[] AssignedVars[t2Thread1of1ForFork1_get_top_#res, t2Thread1of1ForFork1_pop_#t~ret40, t2Thread1of1ForFork1_dec_top_#t~post32] because there is no mapped edge [2019-12-07 10:20:57,408 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [515] [515] L960-->L988-3: Formula: (and (= |v_t2Thread1of1ForFork1_#t~ret48_29| |v_t2Thread1of1ForFork1_pop_#res_22|) (= (select (select |v_#memory_int_50| v_t2Thread1of1ForFork1_pop_~stack.base_15) (bvadd (bvmul |v_t2Thread1of1ForFork1_pop_#t~ret40_24| (_ bv4 32)) v_t2Thread1of1ForFork1_pop_~stack.offset_15)) |v_t2Thread1of1ForFork1_pop_#res_22|)) InVars {t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_15, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_24|, #memory_int=|v_#memory_int_50|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_15} OutVars{t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_15, t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_29|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_22|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_17|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_23|, #memory_int=|v_#memory_int_50|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_15} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40] because there is no mapped edge [2019-12-07 10:20:57,408 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [522] [522] L988-3-->L983-6: Formula: (and (not (= |v_t2Thread1of1ForFork1_#t~ret48_42| (_ bv4294967294 32))) (= (store |v_#pthreadsMutex_162| |v_~#m~0.base_76| (store (select |v_#pthreadsMutex_162| |v_~#m~0.base_76|) |v_~#m~0.offset_76| (_ bv0 1))) |v_#pthreadsMutex_161|) (= (bvadd v_t2Thread1of1ForFork1_~i~1_57 (_ bv1 32)) v_t2Thread1of1ForFork1_~i~1_56)) InVars {#pthreadsMutex=|v_#pthreadsMutex_162|, ~#m~0.base=|v_~#m~0.base_76|, t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_42|, ~#m~0.offset=|v_~#m~0.offset_76|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_57} OutVars{#pthreadsMutex=|v_#pthreadsMutex_161|, ~#m~0.base=|v_~#m~0.base_76|, t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_41|, ~#m~0.offset=|v_~#m~0.offset_76|, t2Thread1of1ForFork1_#t~post46=|v_t2Thread1of1ForFork1_#t~post46_17|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_56} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_#t~post46, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2019-12-07 10:20:57,408 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [449] [449] L983-6-->L985-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_12| |v_~#m~0.base_12|))) (and (= (select .cse0 |v_~#m~0.offset_12|) (_ bv0 1)) (= |v_#pthreadsMutex_11| (store |v_#pthreadsMutex_12| |v_~#m~0.base_12| (store .cse0 |v_~#m~0.offset_12| (_ bv1 1)))) (bvslt v_t2Thread1of1ForFork1_~i~1_12 (_ bv400 32)) (= |v_t2Thread1of1ForFork1_#t~nondet47_5| (_ bv0 32)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_12|, ~#m~0.base=|v_~#m~0.base_12|, ~#m~0.offset=|v_~#m~0.offset_12|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_5|, #pthreadsMutex=|v_#pthreadsMutex_11|, ~#m~0.base=|v_~#m~0.base_12|, ~#m~0.offset=|v_~#m~0.offset_12|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, #pthreadsMutex] because there is no mapped edge [2019-12-07 10:20:57,408 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [525] [525] L985-1-->L988-3: Formula: (and (not (= (_ bv0 8) v_~flag~0_49)) (= |v_t2Thread1of1ForFork1_get_top_#res_31| (_ bv0 32)) (= |v_t2Thread1of1ForFork1_pop_#in~stack.base_19| |v_~#arr~0.base_36|) (= v_t2Thread1of1ForFork1_pop_~stack.base_25 |v_t2Thread1of1ForFork1_pop_#in~stack.base_19|) (= v_~top~0_99 |v_t2Thread1of1ForFork1_get_top_#res_31|) (= |v_t2Thread1of1ForFork1_#t~ret48_49| |v_t2Thread1of1ForFork1_pop_#res_33|) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_19| |v_~#arr~0.offset_33|) (= |v_t2Thread1of1ForFork1_pop_#res_33| (_ bv4294967294 32)) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_19| v_t2Thread1of1ForFork1_pop_~stack.offset_25)) InVars {~#arr~0.offset=|v_~#arr~0.offset_33|, ~flag~0=v_~flag~0_49, ~top~0=v_~top~0_99, ~#arr~0.base=|v_~#arr~0.base_36|} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_47|, t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_25, ~#arr~0.offset=|v_~#arr~0.offset_33|, t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_49|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_33|, ~flag~0=v_~flag~0_49, t2Thread1of1ForFork1_pop_#in~stack.offset=|v_t2Thread1of1ForFork1_pop_#in~stack.offset_19|, ~top~0=v_~top~0_99, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_39|, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_31|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_28|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_38|, t2Thread1of1ForFork1_pop_#t~nondet38=|v_t2Thread1of1ForFork1_pop_#t~nondet38_14|, t2Thread1of1ForFork1_pop_#in~stack.base=|v_t2Thread1of1ForFork1_pop_#in~stack.base_19|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_25, ~#arr~0.base=|v_~#arr~0.base_36|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, t2Thread1of1ForFork1_pop_~stack.offset, t2Thread1of1ForFork1_get_top_#res, t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40, t2Thread1of1ForFork1_pop_#t~nondet38, t2Thread1of1ForFork1_pop_#in~stack.offset, t2Thread1of1ForFork1_pop_#in~stack.base, t2Thread1of1ForFork1_pop_~stack.base, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-12-07 10:20:57,408 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [471] [471] L988-3-->t2Err0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (= |v_t2Thread1of1ForFork1_#t~ret48_12| (_ bv4294967294 32)) InVars {t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_12|} OutVars{t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_11|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~ret48] because there is no mapped edge [2019-12-07 10:20:57,435 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_053acb52-b65e-4bf7-ba05-e861148c35a5/bin/utaipan/witness.graphml [2019-12-07 10:20:57,435 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:20:57,436 INFO L168 Benchmark]: Toolchain (without parser) took 14672.42 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 307.8 MB). Free memory was 948.4 MB in the beginning and 1.3 GB in the end (delta: -316.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:20:57,436 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:20:57,436 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -113.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:57,437 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:20:57,437 INFO L168 Benchmark]: Boogie Preprocessor took 25.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:57,437 INFO L168 Benchmark]: RCFGBuilder took 325.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:57,438 INFO L168 Benchmark]: TraceAbstraction took 13793.84 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 187.2 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -257.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:20:57,438 INFO L168 Benchmark]: Witness Printer took 30.54 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:20:57,440 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 454.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -113.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 325.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13793.84 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 187.2 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -257.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 30.54 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.0s, 132 ProgramPointsBefore, 39 ProgramPointsAfterwards, 136 TransitionsBefore, 40 TransitionsAfterwards, 5420 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 70 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 4 ChoiceCompositions, 2850 VarBasedMoverChecksPositive, 48 VarBasedMoverChecksNegative, 18 SemBasedMoverChecksPositive, 51 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 0 MoverChecksTotal, 6183 CheckedPairsTotal, 110 TotalNumberOfCompositions - CounterExampleResult [Line: 918]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L999] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={75:0}, flag=0, m={-118:0}, top=0] [L1000] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={75:0}, flag=0, m={-118:0}, top=0] [L926] 2 top-- VAL [arr={75:0}, flag=1, m={-118:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 126 locations, 2 error locations. Result: UNSAFE, OverallTime: 13.6s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 383 SDtfs, 774 SDslu, 2303 SDs, 0 SdLazy, 1667 SolverSat, 105 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 258 GetRequests, 180 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 895 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1271occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 1542 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 14271 SizeOfPredicates, 35 NumberOfNonLiveVariables, 602 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 6/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...