/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:49:00,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:49:00,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:49:00,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:49:00,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:49:00,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:49:00,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:49:00,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:49:00,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:49:00,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:49:00,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:49:00,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:49:00,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:49:00,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:49:00,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:49:00,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:49:00,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:49:00,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:49:00,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:49:00,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:49:00,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:49:00,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:49:00,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:49:00,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:49:00,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:49:00,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:49:00,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:49:00,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:49:00,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:49:00,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:49:00,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:49:00,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:49:00,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:49:00,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:49:00,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:49:00,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:49:00,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:49:00,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:49:00,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:49:00,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:49:00,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:49:00,081 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 16:49:00,103 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:49:00,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:49:00,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:49:00,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:49:00,104 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:49:00,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:49:00,105 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:49:00,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:49:00,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:49:00,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:49:00,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:49:00,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:49:00,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:49:00,106 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:49:00,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:49:00,107 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:49:00,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:49:00,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:49:00,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:49:00,108 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:49:00,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:49:00,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:49:00,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:49:00,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:49:00,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:49:00,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:49:00,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:49:00,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:49:00,109 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:49:00,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 16:49:00,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:49:00,431 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:49:00,435 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:49:00,438 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:49:00,439 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:49:00,440 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product18.cil.c [2020-10-12 16:49:00,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/63267ccd4/06d0377e0fd74c1c9bcb7c7ab67b7a95/FLAG8401ffba9 [2020-10-12 16:49:01,221 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:49:01,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product18.cil.c [2020-10-12 16:49:01,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/63267ccd4/06d0377e0fd74c1c9bcb7c7ab67b7a95/FLAG8401ffba9 [2020-10-12 16:49:01,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/63267ccd4/06d0377e0fd74c1c9bcb7c7ab67b7a95 [2020-10-12 16:49:01,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:49:01,411 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:49:01,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:49:01,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:49:01,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:49:01,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:49:01" (1/1) ... [2020-10-12 16:49:01,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d70581e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:49:01, skipping insertion in model container [2020-10-12 16:49:01,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:49:01" (1/1) ... [2020-10-12 16:49:01,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:49:01,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:49:02,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:49:02,119 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:49:02,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:49:02,370 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:49:02,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:49:02 WrapperNode [2020-10-12 16:49:02,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:49:02,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:49:02,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:49:02,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:49:02,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:49:02" (1/1) ... [2020-10-12 16:49:02,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:49:02" (1/1) ... [2020-10-12 16:49:02,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:49:02" (1/1) ... [2020-10-12 16:49:02,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:49:02" (1/1) ... [2020-10-12 16:49:02,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:49:02" (1/1) ... [2020-10-12 16:49:02,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:49:02" (1/1) ... [2020-10-12 16:49:02,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:49:02" (1/1) ... [2020-10-12 16:49:02,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:49:02,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:49:02,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:49:02,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:49:02,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:49:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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 [2020-10-12 16:49:02,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:49:02,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:49:02,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 16:49:02,703 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 16:49:02,703 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 16:49:02,704 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 16:49:02,704 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 16:49:02,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 16:49:02,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 16:49:02,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 16:49:02,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 16:49:02,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 16:49:02,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 16:49:02,706 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-12 16:49:02,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-12 16:49:02,707 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-12 16:49:02,708 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-12 16:49:02,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-12 16:49:02,708 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-12 16:49:02,708 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-12 16:49:02,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-12 16:49:02,709 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-12 16:49:02,709 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-12 16:49:02,709 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-12 16:49:02,710 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-12 16:49:02,710 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-12 16:49:02,711 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-12 16:49:02,711 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-12 16:49:02,711 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-12 16:49:02,711 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 16:49:02,712 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-12 16:49:02,712 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-12 16:49:02,712 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-12 16:49:02,712 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 16:49:02,712 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-12 16:49:02,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 16:49:02,713 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 16:49:02,713 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:49:02,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 16:49:02,713 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-12 16:49:02,713 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-12 16:49:02,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-12 16:49:02,714 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-12 16:49:02,714 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-12 16:49:02,714 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-12 16:49:02,714 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-12 16:49:02,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-12 16:49:02,715 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-12 16:49:02,715 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-12 16:49:02,715 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-12 16:49:02,715 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-12 16:49:02,716 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-12 16:49:02,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-12 16:49:02,716 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-12 16:49:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-12 16:49:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-12 16:49:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-12 16:49:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-12 16:49:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-12 16:49:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-12 16:49:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-12 16:49:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__weight [2020-10-12 16:49:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 16:49:02,719 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__weight [2020-10-12 16:49:02,719 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-12 16:49:02,719 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-12 16:49:02,719 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-12 16:49:02,719 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-12 16:49:02,719 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-12 16:49:02,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-12 16:49:02,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-12 16:49:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 16:49:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-12 16:49:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-12 16:49:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:49:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:49:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 16:49:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 16:49:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 16:49:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 16:49:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 16:49:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:49:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 16:49:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 16:49:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:49:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:49:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:49:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:49:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 16:49:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:49:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 16:49:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 16:49:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:49:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 16:49:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 16:49:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:49:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 16:49:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-12 16:49:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-12 16:49:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-12 16:49:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-12 16:49:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-12 16:49:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-12 16:49:02,728 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-12 16:49:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-12 16:49:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 16:49:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-12 16:49:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-12 16:49:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-12 16:49:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-12 16:49:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-12 16:49:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-12 16:49:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-12 16:49:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-12 16:49:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 16:49:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-12 16:49:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-12 16:49:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-12 16:49:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 16:49:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-12 16:49:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-12 16:49:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-12 16:49:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-12 16:49:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-12 16:49:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 16:49:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-12 16:49:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 16:49:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 16:49:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 16:49:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:49:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 16:49:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 16:49:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-12 16:49:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-12 16:49:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-12 16:49:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-12 16:49:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-12 16:49:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-12 16:49:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-12 16:49:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-12 16:49:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-12 16:49:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-12 16:49:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-12 16:49:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-12 16:49:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-12 16:49:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-12 16:49:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-12 16:49:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-12 16:49:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-12 16:49:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-12 16:49:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-12 16:49:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-12 16:49:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-12 16:49:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__weight [2020-10-12 16:49:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-12 16:49:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-12 16:49:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__weight [2020-10-12 16:49:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-12 16:49:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-12 16:49:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-12 16:49:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:49:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:49:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:49:05,027 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:49:05,027 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 16:49:05,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:49:05 BoogieIcfgContainer [2020-10-12 16:49:05,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:49:05,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:49:05,042 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:49:05,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:49:05,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:49:01" (1/3) ... [2020-10-12 16:49:05,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d215358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:49:05, skipping insertion in model container [2020-10-12 16:49:05,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:49:02" (2/3) ... [2020-10-12 16:49:05,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d215358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:49:05, skipping insertion in model container [2020-10-12 16:49:05,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:49:05" (3/3) ... [2020-10-12 16:49:05,048 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product18.cil.c [2020-10-12 16:49:05,059 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:49:05,066 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:49:05,076 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:49:05,100 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:49:05,100 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:49:05,100 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:49:05,100 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:49:05,100 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:49:05,100 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:49:05,101 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:49:05,101 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:49:05,144 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states. [2020-10-12 16:49:05,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-12 16:49:05,159 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:49:05,160 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:49:05,160 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:49:05,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:49:05,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1366421017, now seen corresponding path program 1 times [2020-10-12 16:49:05,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:49:05,175 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [692144465] [2020-10-12 16:49:05,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:49:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:49:05,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:06,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:07,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:07,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:07,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:07,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:10,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:10,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:49:10,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-12 16:49:10,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:49:10,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-12 16:49:10,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:49:10,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 16:49:10,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:49:10,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-12 16:49:10,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 16:49:11,657 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:49:11,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:49:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:49:11,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:11,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:49:11,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:49:11,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:49:11,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-12 16:49:11,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:49:11,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:49:11,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:49:11,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:49:11,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:49:11,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:49:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:49:11,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:11,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:49:11,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:49:11,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:49:11,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:49:11,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:49:11,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:49:11,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:49:11,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:49:11,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:49:11,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:49:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:49:11,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:11,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:49:11,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:49:11,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:49:11,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:49:11,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:49:11,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:49:11,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:49:11,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:49:11,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:49:11,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:49:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:49:11,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:11,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:49:11,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:49:11,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:49:11,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 16:49:11,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:49:11,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:49:11,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:49:11,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:49:11,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:49:11,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:49:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:49:11,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:11,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:49:11,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:49:11,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:49:11,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:49:11,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:49:11,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:49:11,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:49:11,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:49:11,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 16:49:12,087 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 16:49:12,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:49:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:49:12,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:12,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:49:12,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:49:12,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:49:12,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-12 16:49:12,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:49:12,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:49:12,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:49:12,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:49:12,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:49:12,294 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-12 16:49:12,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:49:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:49:12,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:12,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:49:12,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:49:12,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:49:12,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:49:12,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:49:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:49:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:49:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:49:12,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:49:12,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:49:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:49:12,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:12,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:12,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:12,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:49:12,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:49:12,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:49:12,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 317 [2020-10-12 16:49:12,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:49:12,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:49:12,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:49:12,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:49:12,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:49:12,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:49:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:49:12,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:12,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:49:12,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:49:12,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:49:12,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:49:12,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:49:12,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:49:12,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:49:12,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:49:12,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:49:12,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:49:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:49:12,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:12,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:12,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:49:12,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:49:12,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:49:12,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-12 16:49:12,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:49:12,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:49:12,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:49:12,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:49:12,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:49:12,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:49:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:49:12,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:12,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:49:12,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:49:12,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:49:12,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:49:12,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:49:12,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:49:12,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:49:12,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:49:12,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:49:12,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:49:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:49:12,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:12,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:49:12,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:49:12,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:49:12,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 16:49:12,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:49:12,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:49:12,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:49:12,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 16:49:12,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:49:12,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:49:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:49:12,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:12,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:49:12,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:49:12,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:49:12,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:49:12,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:49:12,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:49:12,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:49:12,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:49:12,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:49:12,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:49:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:49:12,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:12,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:49:12,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:49:12,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:49:12,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:49:12,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:49:12,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:49:12,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:49:12,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:49:12,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:49:12,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 16:49:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:49:12,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:12,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:49:12,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:49:12,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:49:12,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:49:12,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:49:12,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:49:12,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:49:12,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:49:12,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:49:12,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 16:49:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:49:12,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:49:12,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:49:12,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:49:12,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:49:12,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:49:12,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:49:12,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:49:13,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:49:13,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:49:13,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:49:13,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 16:49:13,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [692144465] [2020-10-12 16:49:13,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:49:13,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-12 16:49:13,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67825616] [2020-10-12 16:49:13,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 16:49:13,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:49:13,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 16:49:13,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-10-12 16:49:13,099 INFO L87 Difference]: Start difference. First operand 781 states. Second operand 15 states. [2020-10-12 16:49:14,994 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:49:16,367 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:49:17,162 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:49:17,934 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:49:18,753 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:49:19,557 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:49:20,355 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:49:21,189 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:49:22,053 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:49:23,172 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:49:24,462 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 16:49:32,664 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 16:49:40,485 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:49:41,266 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:49:42,002 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:49:42,756 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:49:43,488 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:49:44,260 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:49:45,026 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:49:45,807 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:49:59,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:49:59,231 INFO L93 Difference]: Finished difference Result 2315 states and 4098 transitions. [2020-10-12 16:49:59,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-12 16:49:59,234 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 93 [2020-10-12 16:49:59,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:49:59,277 INFO L225 Difference]: With dead ends: 2315 [2020-10-12 16:49:59,277 INFO L226 Difference]: Without dead ends: 1686 [2020-10-12 16:49:59,292 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 898 ImplicationChecksByTransitivity, 14.7s TimeCoverageRelationStatistics Valid=545, Invalid=2647, Unknown=0, NotChecked=0, Total=3192 [2020-10-12 16:49:59,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2020-10-12 16:49:59,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1159. [2020-10-12 16:49:59,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1159 states. [2020-10-12 16:49:59,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1881 transitions. [2020-10-12 16:49:59,781 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1881 transitions. Word has length 93 [2020-10-12 16:49:59,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:49:59,782 INFO L479 AbstractCegarLoop]: Abstraction has 1159 states and 1881 transitions. [2020-10-12 16:49:59,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 16:49:59,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1881 transitions. [2020-10-12 16:49:59,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-12 16:49:59,795 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:49:59,796 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:49:59,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:49:59,796 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:49:59,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:49:59,797 INFO L82 PathProgramCache]: Analyzing trace with hash 110275660, now seen corresponding path program 1 times [2020-10-12 16:49:59,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:49:59,797 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [952996919] [2020-10-12 16:49:59,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:49:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:49:59,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:00,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:00,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:00,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:01,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:02,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:02,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:04,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:04,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-12 16:50:04,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:50:04,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-12 16:50:04,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:04,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 16:50:04,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:50:04,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-12 16:50:04,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:50:05,731 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:50:05,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:50:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:05,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:05,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:05,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:50:05,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:05,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-12 16:50:05,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:05,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:50:05,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:05,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:50:05,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:05,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:50:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:05,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:05,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:05,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:50:05,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:05,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:50:05,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:05,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:50:05,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:05,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:50:05,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:05,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:50:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:05,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:05,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:05,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:50:05,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:05,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:50:05,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:05,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:50:05,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:05,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:50:05,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:50:05,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:50:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:05,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:05,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:05,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:50:05,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:05,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:50:05,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:05,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:50:05,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:05,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:50:05,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:05,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:50:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:05,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:05,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:05,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:50:05,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:05,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:50:05,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:05,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:50:05,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:05,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:50:05,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:06,079 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 16:50:06,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:50:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:06,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:06,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:06,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:50:06,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:06,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 16:50:06,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:06,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:50:06,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:06,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:50:06,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:06,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:50:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:06,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:06,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:06,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:50:06,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:06,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:50:06,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:06,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:50:06,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:06,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:50:06,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:06,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:50:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:06,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:06,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:06,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:06,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:06,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:06,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:06,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:50:06,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:50:06,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 653 [2020-10-12 16:50:06,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:06,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:50:06,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:50:06,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:50:06,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:06,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:50:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:06,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:06,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:06,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:06,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:06,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:50:06,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:50:06,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 16:50:06,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:06,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:50:06,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:50:06,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:50:06,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:07,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:50:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:07,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:07,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:07,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:07,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:50:07,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:50:07,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-12 16:50:07,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:07,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:50:07,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:50:07,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:50:07,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:07,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:50:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:07,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:07,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:07,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:50:07,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:07,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:50:07,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:07,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:50:07,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:07,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:50:07,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:07,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:50:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:07,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:07,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:07,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:50:07,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:07,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 16:50:07,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:07,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:50:07,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:07,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 16:50:07,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:07,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:50:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:07,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:07,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:07,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:50:07,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:07,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:50:07,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:07,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:50:07,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:07,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:50:07,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:07,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:50:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:07,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:07,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:07,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:50:07,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:07,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:50:07,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:07,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:50:07,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:07,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:50:07,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:07,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 16:50:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:07,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:07,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:07,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:50:07,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:07,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:50:07,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:07,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:50:07,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:07,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:50:07,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:07,520 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:50:07,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 16:50:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:07,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:07,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:07,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:07,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:07,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 16:50:07,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:50:07,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-12 16:50:07,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:07,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:50:07,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-12 16:50:07,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:50:07,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:07,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:50:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:07,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:07,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:07,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:50:07,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:07,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:50:07,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:07,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:50:07,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:07,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:50:07,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:50:07,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:50:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:07,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:07,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:07,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:50:07,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:07,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:50:07,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:07,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:50:07,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:07,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:50:07,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:50:07,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 16:50:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:07,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:07,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:07,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:50:07,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:07,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 16:50:07,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:07,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:50:07,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:50:07,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:50:07,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:07,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:50:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:07,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:07,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:07,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:50:07,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:07,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:50:07,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:07,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:50:07,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:50:07,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:50:07,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:07,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 16:50:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:50:07,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:50:07,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:50:07,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:50:07,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:50:07,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:50:07,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:50:07,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:50:07,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:50:07,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:50:07,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:50:08,009 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 16:50:08,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [952996919] [2020-10-12 16:50:08,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:50:08,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-10-12 16:50:08,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788190170] [2020-10-12 16:50:08,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-12 16:50:08,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:50:08,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-12 16:50:08,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2020-10-12 16:50:08,013 INFO L87 Difference]: Start difference. First operand 1159 states and 1881 transitions. Second operand 24 states. [2020-10-12 16:50:10,162 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:50:11,502 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:50:12,297 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:50:13,209 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:50:14,008 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:50:14,844 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:50:15,738 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:50:16,639 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:50:17,986 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-12 16:50:20,325 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 391 DAG size of output: 389 [2020-10-12 16:50:20,549 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-12 16:50:20,745 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-12 16:50:21,321 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-12 16:50:22,282 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:50:22,791 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-12 16:50:23,157 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-12 16:50:30,450 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:50:32,951 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:50:35,446 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:50:36,527 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-12 16:50:37,283 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 396 [2020-10-12 16:50:40,927 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:50:41,661 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:50:42,482 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:50:43,250 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:50:44,047 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:50:44,854 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:50:45,660 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:50:52,497 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 16:50:52,800 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 16:51:00,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:51:00,360 INFO L93 Difference]: Finished difference Result 3440 states and 6001 transitions. [2020-10-12 16:51:00,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-10-12 16:51:00,361 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 126 [2020-10-12 16:51:00,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:51:00,380 INFO L225 Difference]: With dead ends: 3440 [2020-10-12 16:51:00,380 INFO L226 Difference]: Without dead ends: 2305 [2020-10-12 16:51:00,390 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1978 ImplicationChecksByTransitivity, 20.3s TimeCoverageRelationStatistics Valid=959, Invalid=6013, Unknown=0, NotChecked=0, Total=6972 [2020-10-12 16:51:00,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2305 states. [2020-10-12 16:51:00,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2305 to 1716. [2020-10-12 16:51:00,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1716 states. [2020-10-12 16:51:00,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1716 states to 1716 states and 2748 transitions. [2020-10-12 16:51:00,895 INFO L78 Accepts]: Start accepts. Automaton has 1716 states and 2748 transitions. Word has length 126 [2020-10-12 16:51:00,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:51:00,898 INFO L479 AbstractCegarLoop]: Abstraction has 1716 states and 2748 transitions. [2020-10-12 16:51:00,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-12 16:51:00,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1716 states and 2748 transitions. [2020-10-12 16:51:00,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-12 16:51:00,907 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:51:00,908 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:51:00,908 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 16:51:00,909 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:51:00,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:51:00,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1753371395, now seen corresponding path program 1 times [2020-10-12 16:51:00,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:51:00,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759271240] [2020-10-12 16:51:00,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:51:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:01,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:01,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:01,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:01,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:02,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:03,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:03,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:06,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:06,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-12 16:51:06,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:51:06,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-12 16:51:06,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:06,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:51:06,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-12 16:51:06,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-12 16:51:06,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:06,834 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:51:06,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:51:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:06,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:06,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:06,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:06,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:06,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 16:51:06,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:06,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:06,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:06,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:06,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:06,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:51:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:06,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:06,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:06,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:51:06,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:06,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:51:06,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:06,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:06,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:06,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:06,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:06,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:51:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:06,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:06,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:06,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:51:06,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:06,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:51:06,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:06,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:06,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:51:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:06,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:06,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:06,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:06,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:06,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:51:06,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:06,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:06,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:06,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:06,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:06,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:51:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:06,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:06,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:06,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:51:06,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:06,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:51:06,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:06,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:06,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:06,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:06,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:07,046 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 16:51:07,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:51:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:07,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:07,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:07,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:51:07,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:07,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 16:51:07,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:07,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:51:07,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:07,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:51:07,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:07,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:51:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:07,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:07,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:07,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:07,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:07,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 16:51:07,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:07,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:51:07,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:07,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:51:07,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:07,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:51:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:07,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:07,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:07,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:07,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:07,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:07,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:07,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 16:51:07,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:51:07,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 496 [2020-10-12 16:51:07,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:07,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:51:07,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 16:51:07,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:51:07,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:51:07,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:51:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:07,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:07,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:07,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:07,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:07,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:51:07,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:51:07,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 16:51:07,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:07,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:51:07,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:51:07,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:51:07,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:07,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:51:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:07,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:07,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:07,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:07,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:51:07,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:51:07,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-12 16:51:07,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:07,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:51:07,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:51:07,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:51:07,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:08,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:51:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:08,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:08,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:08,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:51:08,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:08,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:51:08,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:08,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:51:08,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:08,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:51:08,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:08,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 16:51:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:08,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:08,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:08,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:08,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:08,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:08,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:08,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:51:08,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:51:08,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-12 16:51:08,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:08,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:51:08,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 16:51:08,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 16:51:08,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:08,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:51:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:08,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:08,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:08,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:08,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:08,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:51:08,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:08,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:51:08,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:08,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:51:08,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:08,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:51:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:08,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:08,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:08,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:08,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:08,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:51:08,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:08,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:51:08,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:08,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:51:08,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:08,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:51:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:08,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:08,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:08,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:08,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:08,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:51:08,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:08,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:51:08,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:08,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:51:08,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:08,511 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:51:08,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 16:51:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:08,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:08,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:08,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:08,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:08,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:08,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:09,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:09,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:09,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:09,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:09,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 16:51:09,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 16:51:09,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1454 [2020-10-12 16:51:09,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:09,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:51:09,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 16:51:09,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-12 16:51:09,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:10,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:51:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:10,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:10,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:10,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:51:10,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:10,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:51:10,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:10,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:51:10,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:10,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:51:10,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:10,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:51:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:10,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:10,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:10,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:51:10,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:10,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:51:10,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:10,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:10,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:10,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:10,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:51:10,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 16:51:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:10,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:10,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:10,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:10,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:51:10,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:51:10,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:51:10,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:10,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:51:10,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:51:10,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:51:10,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:51:10,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 16:51:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:10,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:10,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:10,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:51:10,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:10,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:51:10,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:10,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:51:10,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 16:51:10,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:51:10,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:10,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 16:51:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:51:10,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:51:10,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:51:10,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:51:10,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:51:10,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:51:10,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:51:10,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:51:10,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:51:10,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:51:10,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:51:10,216 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 16:51:10,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759271240] [2020-10-12 16:51:10,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:51:10,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-10-12 16:51:10,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624833386] [2020-10-12 16:51:10,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-12 16:51:10,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:51:10,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-12 16:51:10,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2020-10-12 16:51:10,220 INFO L87 Difference]: Start difference. First operand 1716 states and 2748 transitions. Second operand 25 states. [2020-10-12 16:51:12,928 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 390 DAG size of output: 387 [2020-10-12 16:51:14,121 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:51:15,030 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:51:15,845 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:51:16,687 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:51:17,482 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:51:18,368 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:51:19,472 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-12 16:51:20,873 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-12 16:51:21,641 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:51:21,884 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-12 16:51:22,099 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-12 16:51:23,283 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-12 16:51:24,784 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-12 16:51:25,500 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-12 16:51:30,459 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:51:30,689 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-12 16:51:30,887 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-12 16:51:31,416 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 155 [2020-10-12 16:51:31,886 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-10-12 16:51:32,780 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:51:33,345 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 153 [2020-10-12 16:51:34,233 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-12 16:51:35,193 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 150 [2020-10-12 16:51:35,394 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-12 16:51:37,357 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 389 DAG size of output: 387 [2020-10-12 16:51:37,925 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-12 16:51:38,302 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 150 [2020-10-12 16:51:40,102 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2020-10-12 16:51:41,119 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2020-10-12 16:51:42,302 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-10-12 16:51:52,664 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 392 DAG size of output: 389 [2020-10-12 16:51:53,213 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 155 [2020-10-12 16:52:10,272 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 393 DAG size of output: 390 [2020-10-12 16:52:11,841 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 395 DAG size of output: 392 [2020-10-12 16:52:13,396 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 393 DAG size of output: 390 [2020-10-12 16:52:14,875 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 395 DAG size of output: 392 [2020-10-12 16:52:16,414 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 393 DAG size of output: 390 [2020-10-12 16:52:18,219 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 397 DAG size of output: 394 [2020-10-12 16:52:20,245 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:52:21,009 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:52:21,807 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:52:22,603 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:52:23,437 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:52:24,343 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-12 16:52:42,198 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:52:42,433 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 156