/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=NARROWEST --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_spec13_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:16:47,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:16:47,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:16:47,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:16:47,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:16:47,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:16:47,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:16:47,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:16:47,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:16:47,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:16:47,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:16:47,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:16:47,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:16:47,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:16:47,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:16:47,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:16:47,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:16:47,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:16:47,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:16:47,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:16:47,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:16:47,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:16:47,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:16:47,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:16:47,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:16:47,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:16:47,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:16:47,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:16:47,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:16:47,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:16:47,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:16:47,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:16:47,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:16:47,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:16:47,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:16:47,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:16:47,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:16:47,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:16:47,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:16:47,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:16:47,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:16:47,560 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 [2020-10-13 11:16:47,582 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:16:47,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:16:47,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:16:47,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:16:47,584 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:16:47,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:16:47,585 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:16:47,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:16:47,585 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:16:47,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:16:47,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:16:47,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:16:47,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:16:47,586 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:16:47,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:16:47,587 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:16:47,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:16:47,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:16:47,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:16:47,587 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:16:47,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:16:47,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:16:47,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:16:47,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:16:47,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:16:47,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:16:47,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:16:47,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:16:47,589 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:16:47,590 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 11:16:47,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:16:47,921 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:16:47,924 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:16:47,926 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:16:47,927 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:16:47,927 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec13_product24.cil.c [2020-10-13 11:16:47,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9179a959e/4f965e75a4f9448c9cd966a8ccb5f521/FLAG5d821fe08 [2020-10-13 11:16:48,576 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:16:48,577 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec13_product24.cil.c [2020-10-13 11:16:48,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9179a959e/4f965e75a4f9448c9cd966a8ccb5f521/FLAG5d821fe08 [2020-10-13 11:16:48,818 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9179a959e/4f965e75a4f9448c9cd966a8ccb5f521 [2020-10-13 11:16:48,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:16:48,828 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:16:48,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:16:48,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:16:48,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:16:48,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:16:48" (1/1) ... [2020-10-13 11:16:48,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@617bc75d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:48, skipping insertion in model container [2020-10-13 11:16:48,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:16:48" (1/1) ... [2020-10-13 11:16:48,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:16:48,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:16:49,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:16:49,601 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:16:49,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:16:49,822 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:16:49,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:49 WrapperNode [2020-10-13 11:16:49,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:16:49,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:16:49,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:16:49,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:16:49,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:49" (1/1) ... [2020-10-13 11:16:49,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:49" (1/1) ... [2020-10-13 11:16:49,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:49" (1/1) ... [2020-10-13 11:16:49,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:49" (1/1) ... [2020-10-13 11:16:49,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:49" (1/1) ... [2020-10-13 11:16:50,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:49" (1/1) ... [2020-10-13 11:16:50,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:49" (1/1) ... [2020-10-13 11:16:50,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:16:50,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:16:50,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:16:50,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:16:50,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:49" (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 [2020-10-13 11:16:50,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:16:50,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:16:50,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:16:50,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:16:50,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:16:50,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:16:50,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:16:50,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:16:50,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:16:50,134 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:16:50,135 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:16:50,135 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:16:50,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:16:50,135 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-13 11:16:50,136 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:16:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-13 11:16:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:16:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:16:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:16:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:16:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:16:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:16:50,139 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:16:50,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:16:50,140 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:16:50,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:16:50,140 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-13 11:16:50,140 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-13 11:16:50,140 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:16:50,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:16:50,141 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:16:50,141 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-13 11:16:50,141 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-13 11:16:50,141 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:16:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:16:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:16:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-13 11:16:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:16:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-13 11:16:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:16:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:16:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-13 11:16:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-13 11:16:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:16:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:16:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:16:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:16:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:16:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:16:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:16:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:16:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:16:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:16:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:16:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:16:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:16:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:16:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:16:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:16:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:16:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:16:50,148 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:16:50,148 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:16:50,148 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:16:50,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:16:50,149 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:16:50,149 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:16:50,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:16:50,149 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:16:50,150 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:16:50,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:16:50,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification13_spec__1 [2020-10-13 11:16:50,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification13_spec__2 [2020-10-13 11:16:50,152 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:16:50,152 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:16:50,152 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:16:50,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:16:50,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:16:50,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:16:50,153 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:16:50,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:16:50,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:16:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:16:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:16:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:16:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:16:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:16:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:16:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:16:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:16:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:16:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:16:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:16:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:16:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:16:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:16:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:16:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:16:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:16:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:16:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:16:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:16:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:16:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:16:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:16:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:16:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:16:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:16:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:16:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:16:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:16:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:16:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:16:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:16:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:16:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:16:50,161 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:16:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:16:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:16:50,162 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:16:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:16:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:16:50,163 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:16:50,164 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:16:50,164 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:16:50,165 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:16:50,165 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-13 11:16:50,168 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-13 11:16:50,168 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-13 11:16:50,168 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-13 11:16:50,169 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:16:50,169 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:16:50,169 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:16:50,169 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:16:50,170 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:16:50,170 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-13 11:16:50,170 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-13 11:16:50,170 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:16:50,171 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:16:50,171 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-13 11:16:50,171 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-13 11:16:50,171 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:16:50,171 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:16:50,179 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:16:50,179 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-13 11:16:50,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification13_spec__1 [2020-10-13 11:16:50,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification13_spec__2 [2020-10-13 11:16:50,180 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-13 11:16:50,180 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:16:50,180 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:16:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:16:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:16:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:16:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:16:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:16:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:16:50,181 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:16:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:16:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:16:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:16:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:16:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:16:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:16:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:16:50,182 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:16:50,183 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:16:50,183 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:16:50,183 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:16:50,183 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:16:50,183 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:16:50,183 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:16:50,183 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:16:50,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:16:50,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:16:50,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:16:52,604 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:16:52,604 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:16:52,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:16:52 BoogieIcfgContainer [2020-10-13 11:16:52,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:16:52,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:16:52,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:16:52,627 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:16:52,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:16:48" (1/3) ... [2020-10-13 11:16:52,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f79d40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:16:52, skipping insertion in model container [2020-10-13 11:16:52,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:16:49" (2/3) ... [2020-10-13 11:16:52,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f79d40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:16:52, skipping insertion in model container [2020-10-13 11:16:52,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:16:52" (3/3) ... [2020-10-13 11:16:52,630 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec13_product24.cil.c [2020-10-13 11:16:52,642 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:16:52,652 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:16:52,670 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:16:52,712 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:16:52,712 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:16:52,712 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:16:52,712 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:16:52,713 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:16:52,713 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:16:52,713 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:16:52,713 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:16:52,823 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states. [2020-10-13 11:16:52,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-13 11:16:52,844 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:16:52,846 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 11:16:52,846 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:16:52,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:16:52,852 INFO L82 PathProgramCache]: Analyzing trace with hash -270219278, now seen corresponding path program 1 times [2020-10-13 11:16:52,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:16:52,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1270733717] [2020-10-13 11:16:52,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:16:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:53,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:53,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:53,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:54,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:54,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:54,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:54,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:55,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:57,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:58,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:58,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-13 11:16:58,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:16:58,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-13 11:16:58,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:58,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:58,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-10-13 11:16:58,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:58,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:16:59,637 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:16:59,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:16:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:59,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:59,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:59,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:59,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:59,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-13 11:16:59,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:59,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:59,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:59,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:59,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:59,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:16:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:59,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:59,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:59,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:16:59,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:59,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:16:59,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:59,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:59,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:59,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:59,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:59,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:16:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:59,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:59,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:59,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:16:59,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:59,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:16:59,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:59,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:59,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:59,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:59,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:59,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:16:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:59,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:59,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:59,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:16:59,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:59,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:16:59,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:59,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:59,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:59,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:59,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:16:59,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:16:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:59,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:59,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:16:59,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:16:59,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:16:59,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:16:59,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:16:59,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:16:59,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:16:59,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:16:59,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:16:59,915 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-13 11:16:59,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:16:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:16:59,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:59,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:59,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:16:59,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:00,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:00,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:00,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:17:00,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:17:00,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 639 [2020-10-13 11:17:00,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:00,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:00,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:00,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:00,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:00,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:17:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:00,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:00,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:00,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:00,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:00,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:00,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:17:00,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:00,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:00,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:00,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:00,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:00,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:17:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:00,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:00,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:00,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:00,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:17:00,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:00,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 11:17:00,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:00,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:00,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:00,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:00,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:00,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:17:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:00,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:00,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:00,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:00,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:00,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:00,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:00,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:00,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:00,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:00,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:00,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 11:17:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:00,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:00,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:00,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:00,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:00,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:01,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:01,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:17:01,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:17:01,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 638 [2020-10-13 11:17:01,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:01,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:01,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:01,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:01,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:17:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:01,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:01,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:01,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:01,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:01,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:01,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:17:01,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:01,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:01,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:01,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:01,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:01,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:17:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:01,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:01,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:01,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:01,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:17:01,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:01,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 11:17:01,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:01,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:01,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:01,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:01,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:01,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:17:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:01,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:01,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:01,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:01,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:01,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:01,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:01,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:01,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:01,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:01,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:01,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 11:17:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:01,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:01,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:01,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:17:01,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:01,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:17:01,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:01,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:01,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:01,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:01,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:01,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:17:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:01,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:01,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:01,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:01,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:01,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:17:01,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:01,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:01,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:01,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:01,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:01,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 11:17:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:01,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:01,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:01,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:01,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:01,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:01,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:01,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:01,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:01,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:01,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:01,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 11:17:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:01,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:01,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:01,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:01,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:17:01,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:01,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:17:01,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:01,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:01,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:17:01,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:01,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:01,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 11:17:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:01,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:01,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:01,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:01,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:17:01,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:01,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:17:01,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:01,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:01,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:17:01,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:01,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:01,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 11:17:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:01,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:01,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:01,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:01,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:01,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:01,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:01,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:01,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:17:01,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:01,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:01,471 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-13 11:17:01,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1270733717] [2020-10-13 11:17:01,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:17:01,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 11:17:01,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185996038] [2020-10-13 11:17:01,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 11:17:01,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:17:01,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 11:17:01,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 11:17:01,499 INFO L87 Difference]: Start difference. First operand 835 states. Second operand 6 states. [2020-10-13 11:17:04,215 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-13 11:17:15,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:17:15,104 INFO L93 Difference]: Finished difference Result 1611 states and 2698 transitions. [2020-10-13 11:17:15,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 11:17:15,106 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2020-10-13 11:17:15,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:17:15,140 INFO L225 Difference]: With dead ends: 1611 [2020-10-13 11:17:15,140 INFO L226 Difference]: Without dead ends: 923 [2020-10-13 11:17:15,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-10-13 11:17:15,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2020-10-13 11:17:15,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 682. [2020-10-13 11:17:15,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2020-10-13 11:17:15,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1075 transitions. [2020-10-13 11:17:15,469 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1075 transitions. Word has length 113 [2020-10-13 11:17:15,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:17:15,470 INFO L479 AbstractCegarLoop]: Abstraction has 682 states and 1075 transitions. [2020-10-13 11:17:15,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 11:17:15,470 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1075 transitions. [2020-10-13 11:17:15,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-13 11:17:15,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:17:15,477 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 11:17:15,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:17:15,478 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:17:15,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:17:15,478 INFO L82 PathProgramCache]: Analyzing trace with hash 536745362, now seen corresponding path program 1 times [2020-10-13 11:17:15,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:17:15,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1574011222] [2020-10-13 11:17:15,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:17:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:15,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:15,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:15,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:15,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:16,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:16,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:16,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:20,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:20,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-13 11:17:20,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:17:20,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-13 11:17:20,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:20,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:17:20,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-13 11:17:20,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:17:20,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:21,396 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:17:21,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:17:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:21,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:21,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:21,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:21,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:21,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 11:17:21,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:21,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:21,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:21,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:21,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:21,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:17:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:21,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:21,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:21,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:17:21,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:21,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:21,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:21,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:21,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:21,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:21,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:21,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:17:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:21,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:21,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:21,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:17:21,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:21,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:17:21,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:21,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:21,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:21,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:21,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:21,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:17:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:21,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:21,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:21,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:21,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:21,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:21,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:21,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:21,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:21,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:21,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:21,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:17:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:21,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:21,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:21,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:17:21,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:21,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:17:21,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:21,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:21,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:21,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:21,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:21,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:17:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:21,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:21,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:21,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:21,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:21,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:22,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:22,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:17:22,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:17:22,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 618 [2020-10-13 11:17:22,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:22,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:22,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:22,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:22,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:22,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:17:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:22,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:22,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:22,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:22,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:22,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:22,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:17:22,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:22,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:22,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:22,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:22,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:22,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:17:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:22,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:22,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:22,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:22,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:17:22,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:22,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 11:17:22,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:22,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:22,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:22,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:22,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:17:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:22,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:22,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:22,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:22,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:22,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:22,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:22,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:22,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:22,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:22,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:22,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 11:17:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:22,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:22,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:22,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:22,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:22,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:22,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:17:22,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:17:22,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 440 [2020-10-13 11:17:22,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:22,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:17:22,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:17:22,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:17:22,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:22,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:17:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:22,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:22,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:22,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:22,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:22,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:17:22,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:22,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:17:22,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:17:22,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:17:22,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:22,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:17:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:22,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:22,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:22,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:22,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:17:22,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:22,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-13 11:17:22,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:22,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:22,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:17:22,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:22,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:22,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:17:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:22,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:22,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:22,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:22,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:22,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:22,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:22,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:22,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:22,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:22,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:22,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 11:17:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:22,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:22,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:22,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:17:22,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:22,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:17:22,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:22,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:22,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:17:22,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:22,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:22,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:17:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:22,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:22,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:22,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:22,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:22,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:22,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:22,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:22,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:22,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:22,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:22,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 11:17:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:22,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:22,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:22,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:22,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:22,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:22,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:22,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:22,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:17:22,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:22,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:22,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 11:17:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:22,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:22,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:22,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:22,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:17:22,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:22,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:17:22,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:22,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:22,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:17:22,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:22,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:22,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 11:17:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:22,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:22,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:22,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:22,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:17:22,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:22,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:17:22,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:22,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:22,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:17:22,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:22,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:22,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 11:17:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:22,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:22,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:22,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:22,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:22,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:22,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:22,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:22,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:17:22,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:22,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:23,008 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-13 11:17:23,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1574011222] [2020-10-13 11:17:23,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:17:23,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 11:17:23,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701905409] [2020-10-13 11:17:23,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 11:17:23,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:17:23,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 11:17:23,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 11:17:23,012 INFO L87 Difference]: Start difference. First operand 682 states and 1075 transitions. Second operand 8 states. [2020-10-13 11:17:24,971 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:17:25,741 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:17:35,391 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:17:42,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:17:42,002 INFO L93 Difference]: Finished difference Result 1588 states and 2624 transitions. [2020-10-13 11:17:42,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:17:42,003 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 113 [2020-10-13 11:17:42,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:17:42,013 INFO L225 Difference]: With dead ends: 1588 [2020-10-13 11:17:42,014 INFO L226 Difference]: Without dead ends: 932 [2020-10-13 11:17:42,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:17:42,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2020-10-13 11:17:42,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 691. [2020-10-13 11:17:42,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 691 states. [2020-10-13 11:17:42,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 1089 transitions. [2020-10-13 11:17:42,208 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 1089 transitions. Word has length 113 [2020-10-13 11:17:42,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:17:42,210 INFO L479 AbstractCegarLoop]: Abstraction has 691 states and 1089 transitions. [2020-10-13 11:17:42,210 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 11:17:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1089 transitions. [2020-10-13 11:17:42,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-13 11:17:42,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:17:42,215 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 11:17:42,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:17:42,215 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:17:42,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:17:42,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1841317292, now seen corresponding path program 1 times [2020-10-13 11:17:42,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:17:42,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [308940252] [2020-10-13 11:17:42,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:17:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:42,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:42,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:42,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:42,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:42,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:43,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:47,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:47,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:47,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-13 11:17:47,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:17:47,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5356 [2020-10-13 11:17:47,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:47,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:17:47,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-13 11:17:47,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:17:47,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:48,360 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:17:48,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:17:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:48,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:48,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:48,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:48,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:48,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 11:17:48,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:48,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:48,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:48,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:48,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:48,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:17:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:48,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:48,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:48,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:17:48,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:48,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:17:48,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:48,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:48,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:48,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:48,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:48,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:17:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:48,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:48,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:48,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:17:48,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:48,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:17:48,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:48,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:48,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:48,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:48,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:48,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:17:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:48,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:48,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:48,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:48,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:48,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:17:48,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:48,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:48,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:48,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:17:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:48,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:48,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:48,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:17:48,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:48,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:17:48,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:48,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:48,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:48,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:48,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:48,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:17:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:48,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:48,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:48,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:48,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:48,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:17:48,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:17:48,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-13 11:17:48,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:48,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:17:48,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 11:17:48,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:17:48,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:48,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:17:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:48,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:48,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:48,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:17:48,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:48,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:48,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:48,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:48,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:48,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:48,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:48,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:17:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:48,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:48,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:48,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:17:48,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:48,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:17:48,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:48,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:17:48,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:17:48,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:17:48,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:48,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:17:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:48,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:48,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:48,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:48,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:48,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:17:48,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:48,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:17:48,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:48,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:17:48,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:48,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 11:17:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:48,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:48,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:48,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:48,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:49,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:49,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:49,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:17:49,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:17:49,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 462 [2020-10-13 11:17:49,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:49,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:49,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 11:17:49,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:49,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:49,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:17:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:49,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:49,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:49,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:49,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:17:49,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:49,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:17:49,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:49,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:49,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:49,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:49,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:49,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:17:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:49,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:49,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:49,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:49,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:17:49,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:49,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 11:17:49,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:49,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:49,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:49,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:49,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:49,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:17:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:49,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:49,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:49,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:49,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:49,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:17:49,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:49,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:49,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:49,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:49,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:49,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 11:17:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:49,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:49,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:49,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:17:49,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:49,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:17:49,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:49,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:49,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:17:49,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:49,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:49,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:17:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:49,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:49,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:49,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:49,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:49,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:17:49,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:49,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:49,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:49,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:49,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:49,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 11:17:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:49,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:49,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:49,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:49,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:49,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:49,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:49,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:49,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:17:49,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:49,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:49,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 11:17:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:49,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:49,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:49,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:49,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:17:49,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:49,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:17:49,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:49,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:49,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:17:49,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:49,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:49,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 11:17:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:49,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:49,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:49,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:49,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:17:49,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:49,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:17:49,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:49,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:49,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:17:49,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:49,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:49,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 11:17:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:49,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:49,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:49,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:49,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:49,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:49,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:49,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:49,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:17:49,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:49,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:49,515 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-13 11:17:49,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [308940252] [2020-10-13 11:17:49,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:17:49,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 11:17:49,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001388274] [2020-10-13 11:17:49,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 11:17:49,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:17:49,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 11:17:49,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 11:17:49,518 INFO L87 Difference]: Start difference. First operand 691 states and 1089 transitions. Second operand 8 states. [2020-10-13 11:17:51,307 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:18:01,730 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:18:02,482 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:18:09,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:18:09,254 INFO L93 Difference]: Finished difference Result 1639 states and 2717 transitions. [2020-10-13 11:18:09,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 11:18:09,255 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 115 [2020-10-13 11:18:09,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:18:09,264 INFO L225 Difference]: With dead ends: 1639 [2020-10-13 11:18:09,264 INFO L226 Difference]: Without dead ends: 976 [2020-10-13 11:18:09,268 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2020-10-13 11:18:09,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2020-10-13 11:18:09,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 730. [2020-10-13 11:18:09,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 730 states. [2020-10-13 11:18:09,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 1163 transitions. [2020-10-13 11:18:09,427 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 1163 transitions. Word has length 115 [2020-10-13 11:18:09,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:18:09,427 INFO L479 AbstractCegarLoop]: Abstraction has 730 states and 1163 transitions. [2020-10-13 11:18:09,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 11:18:09,427 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1163 transitions. [2020-10-13 11:18:09,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-13 11:18:09,430 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:18:09,430 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 11:18:09,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:18:09,430 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:18:09,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:18:09,431 INFO L82 PathProgramCache]: Analyzing trace with hash 2097508660, now seen corresponding path program 1 times [2020-10-13 11:18:09,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:18:09,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1253961330] [2020-10-13 11:18:09,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:18:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:09,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:09,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:09,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:09,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:09,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:09,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:13,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:14,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:14,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-13 11:18:14,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:18:14,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-13 11:18:14,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:14,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:18:14,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-13 11:18:14,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:18:14,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:15,396 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:18:15,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:18:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:15,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:15,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:15,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:15,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:15,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 11:18:15,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:15,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:15,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:15,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:15,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:15,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:18:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:15,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:15,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:15,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:18:15,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:15,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:15,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:15,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:15,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:15,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:15,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:15,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:18:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:15,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:15,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:15,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:18:15,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:15,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:15,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:15,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:15,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:15,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:15,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:15,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:18:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:15,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:15,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:15,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:15,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:15,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:15,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:15,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:15,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:15,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:15,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:15,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:18:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:15,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:15,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:15,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:18:15,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:15,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:15,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:15,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:15,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:15,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:15,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:15,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:18:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:15,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:15,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:15,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:15,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:15,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:18:15,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:18:15,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-10-13 11:18:15,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:15,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:15,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:15,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:15,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:15,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:18:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:15,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:15,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:15,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:18:15,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:15,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:18:15,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:15,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:15,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:15,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:15,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:15,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:18:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:15,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:15,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:15,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:18:15,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:15,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:18:15,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:15,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:15,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:15,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:15,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:15,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:18:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:15,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:15,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:15,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:18:15,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:15,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:15,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:15,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:15,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:15,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:15,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:15,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 11:18:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:15,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:15,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:15,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:16,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:16,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:16,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:18:16,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:18:16,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 430 [2020-10-13 11:18:16,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:16,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:18:16,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:18:16,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:18:16,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:16,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:18:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:16,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:16,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:16,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:18:16,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:16,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:18:16,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:16,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:18:16,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:18:16,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:18:16,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:16,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:18:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:16,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:16,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:16,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:16,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:18:16,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:18:16,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 11:18:16,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:16,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:16,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 11:18:16,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:16,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:16,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:18:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:16,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:16,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:16,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:18:16,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:16,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:16,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:16,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:16,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:16,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:16,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:16,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 11:18:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:16,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:16,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:16,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:18:16,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:16,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:18:16,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:16,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:16,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:18:16,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:16,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:16,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:18:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:16,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:16,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:16,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:16,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:16,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:16,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:16,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:16,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:16,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:16,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:16,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 11:18:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:16,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:16,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:16,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:16,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:16,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:16,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:16,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:16,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:18:16,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:16,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:16,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 11:18:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:16,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:16,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:16,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:16,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:18:16,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:18:16,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:18:16,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:16,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:16,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:18:16,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:16,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:16,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 11:18:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:16,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:16,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:16,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:16,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:18:16,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:18:16,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 11:18:16,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:16,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:16,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:18:16,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:16,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:18:16,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 11:18:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:16,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:16,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:16,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:16,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:16,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:18:16,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:16,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:16,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:18:16,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:16,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:16,659 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:18:16,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1253961330] [2020-10-13 11:18:16,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:18:16,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 11:18:16,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025332070] [2020-10-13 11:18:16,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 11:18:16,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:18:16,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 11:18:16,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 11:18:16,663 INFO L87 Difference]: Start difference. First operand 730 states and 1163 transitions. Second operand 8 states. [2020-10-13 11:18:18,446 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:18:19,207 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:18:20,755 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:18:32,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:18:32,964 INFO L93 Difference]: Finished difference Result 1673 states and 2781 transitions. [2020-10-13 11:18:32,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:18:32,965 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 117 [2020-10-13 11:18:32,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:18:32,974 INFO L225 Difference]: With dead ends: 1673 [2020-10-13 11:18:32,974 INFO L226 Difference]: Without dead ends: 985 [2020-10-13 11:18:32,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:18:32,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2020-10-13 11:18:33,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 739. [2020-10-13 11:18:33,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2020-10-13 11:18:33,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1177 transitions. [2020-10-13 11:18:33,175 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1177 transitions. Word has length 117 [2020-10-13 11:18:33,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:18:33,176 INFO L479 AbstractCegarLoop]: Abstraction has 739 states and 1177 transitions. [2020-10-13 11:18:33,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 11:18:33,176 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1177 transitions. [2020-10-13 11:18:33,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-13 11:18:33,179 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:18:33,179 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 11:18:33,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:18:33,179 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:18:33,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:18:33,180 INFO L82 PathProgramCache]: Analyzing trace with hash 60465851, now seen corresponding path program 1 times [2020-10-13 11:18:33,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:18:33,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [743521621] [2020-10-13 11:18:33,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:18:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:33,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:33,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:33,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:33,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:35,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:35,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:38,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:38,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-13 11:18:38,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:18:38,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-13 11:18:38,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:38,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:18:38,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-13 11:18:38,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:18:38,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:39,308 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:18:39,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:18:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:39,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:39,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:39,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:39,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:39,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 11:18:39,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:39,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:39,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:39,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:39,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:39,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:18:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:39,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:39,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:39,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:18:39,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:39,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:39,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:39,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:39,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:39,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:39,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:39,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:18:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:39,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:39,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:39,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:18:39,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:39,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:39,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:39,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:39,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:39,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:39,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:39,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:18:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:39,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:39,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:39,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:39,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:39,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:39,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:39,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:39,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:39,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:39,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:39,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:18:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:39,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:39,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:39,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:18:39,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:39,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:39,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:39,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:39,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:39,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:39,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:39,550 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-13 11:18:39,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:18:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:39,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:39,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:39,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:39,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:39,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:18:39,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:18:39,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-10-13 11:18:39,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:39,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:39,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:39,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:39,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:39,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:18:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:39,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:39,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:39,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:18:39,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:39,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:39,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:39,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:39,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:39,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:39,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:39,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:18:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:39,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:39,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:39,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:18:39,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:39,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:18:39,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:39,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:39,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:39,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:39,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:39,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:18:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:39,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:39,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:39,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:18:39,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:39,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:39,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:39,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:39,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:39,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:39,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:39,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 11:18:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:39,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:39,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:39,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:40,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:40,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:18:40,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:18:40,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-10-13 11:18:40,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:40,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:18:40,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:18:40,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:18:40,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:40,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:18:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:40,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:40,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:40,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:18:40,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:40,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:40,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:40,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:40,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:40,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:40,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:40,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:18:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:40,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:40,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:40,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:18:40,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:40,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:18:40,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:40,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:18:40,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:18:40,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 11:18:40,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:40,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:18:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:40,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:40,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:40,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:18:40,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:40,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:18:40,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:40,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:18:40,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:40,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:18:40,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:40,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 11:18:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:40,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:40,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:40,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:18:40,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:40,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:40,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:40,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:40,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:18:40,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:40,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:40,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:18:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:40,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:40,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:40,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:40,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:40,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:40,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:40,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:40,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 11:18:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:40,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:40,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:40,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:40,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:40,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:40,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:40,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:40,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:18:40,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:40,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:40,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 11:18:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:40,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:40,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:40,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:40,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:18:40,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:18:40,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:18:40,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:40,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:40,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:18:40,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:40,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:40,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 11:18:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:40,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:40,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:40,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:40,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:18:40,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:18:40,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:18:40,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:40,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:40,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:18:40,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:40,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:40,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 11:18:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:40,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:40,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:40,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:40,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:40,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:40,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:40,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:40,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:18:40,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:40,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:40,209 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-13 11:18:40,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [743521621] [2020-10-13 11:18:40,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:18:40,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 11:18:40,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583289179] [2020-10-13 11:18:40,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 11:18:40,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:18:40,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 11:18:40,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 11:18:40,211 INFO L87 Difference]: Start difference. First operand 739 states and 1177 transitions. Second operand 8 states. [2020-10-13 11:18:41,814 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:18:42,595 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:18:43,908 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:18:46,247 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-13 11:19:00,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:19:00,049 INFO L93 Difference]: Finished difference Result 1718 states and 2855 transitions. [2020-10-13 11:19:00,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 11:19:00,049 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 118 [2020-10-13 11:19:00,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:19:00,057 INFO L225 Difference]: With dead ends: 1718 [2020-10-13 11:19:00,057 INFO L226 Difference]: Without dead ends: 1009 [2020-10-13 11:19:00,061 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2020-10-13 11:19:00,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2020-10-13 11:19:00,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 758. [2020-10-13 11:19:00,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2020-10-13 11:19:00,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 1196 transitions. [2020-10-13 11:19:00,233 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 1196 transitions. Word has length 118 [2020-10-13 11:19:00,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:19:00,233 INFO L479 AbstractCegarLoop]: Abstraction has 758 states and 1196 transitions. [2020-10-13 11:19:00,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 11:19:00,234 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1196 transitions. [2020-10-13 11:19:00,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-13 11:19:00,236 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:19:00,236 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 11:19:00,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:19:00,236 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:19:00,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:19:00,237 INFO L82 PathProgramCache]: Analyzing trace with hash 688669242, now seen corresponding path program 1 times [2020-10-13 11:19:00,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:19:00,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1638760472] [2020-10-13 11:19:00,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:19:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:00,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:00,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:00,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:00,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:01,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:02,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:05,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:05,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 11:19:05,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:19:05,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-13 11:19:05,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:05,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:19:05,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-13 11:19:05,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:19:05,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:06,266 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:19:06,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:19:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:06,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:06,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:06,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:06,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:06,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 11:19:06,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:06,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:06,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:06,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:06,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:06,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:19:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:06,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:06,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:06,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:19:06,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:06,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:06,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:06,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:06,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:06,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:06,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:06,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:19:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:06,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:06,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:06,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:19:06,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:06,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:06,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:06,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:06,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:06,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:06,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:06,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:19:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:06,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:06,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:06,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:06,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:06,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:06,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:06,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:06,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:06,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:06,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:06,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:19:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:06,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:06,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:06,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:19:06,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:06,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:06,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:06,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:06,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:06,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:06,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:06,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:19:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:06,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:06,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:06,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:06,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:19:06,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:19:06,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-13 11:19:06,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:06,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:19:06,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:19:06,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:19:06,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:06,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:19:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:06,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:06,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:06,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:19:06,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:06,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:19:06,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:06,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:19:06,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:06,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:19:06,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:06,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:19:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:06,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:06,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:06,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:06,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:19:06,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:19:06,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-13 11:19:06,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:06,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:19:06,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:19:06,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 11:19:06,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:06,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:19:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:06,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:06,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:06,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:19:06,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:06,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:19:06,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:06,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:19:06,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:06,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:19:06,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:06,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 11:19:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:06,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:06,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:06,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:06,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:06,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:19:06,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:19:06,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-10-13 11:19:06,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:06,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:06,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-13 11:19:06,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:06,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:06,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:19:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:06,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:06,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:06,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:06,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:06,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:06,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:06,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:06,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:06,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:06,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:06,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:19:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:06,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:06,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:06,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:19:06,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:06,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:19:06,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:06,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:06,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:06,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:06,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:06,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:19:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:06,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:06,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:06,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:19:06,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:06,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:06,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:06,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:06,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:06,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:06,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:07,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-13 11:19:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:07,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:07,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:07,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:19:07,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:07,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:07,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:07,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:07,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:19:07,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:07,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:07,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:19:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:07,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:07,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:07,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:07,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:07,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:07,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:07,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:07,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:07,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:07,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:07,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 11:19:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:07,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:07,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:07,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:07,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:07,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:07,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:07,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:07,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:19:07,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:07,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:07,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 11:19:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:07,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:07,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:07,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:07,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:07,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:19:07,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:19:07,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:07,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:07,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:19:07,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:07,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:07,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 11:19:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:07,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:07,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:07,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:07,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:07,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:19:07,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:19:07,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:07,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:07,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:19:07,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:07,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:07,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 11:19:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:07,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:07,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:07,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:07,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:07,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:07,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:07,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:07,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:19:07,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:07,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:07,084 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 11:19:07,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1638760472] [2020-10-13 11:19:07,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:19:07,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 11:19:07,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058057428] [2020-10-13 11:19:07,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:19:07,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:19:07,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:19:07,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:19:07,088 INFO L87 Difference]: Start difference. First operand 758 states and 1196 transitions. Second operand 11 states. [2020-10-13 11:19:08,521 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:19:09,342 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-13 11:19:10,123 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-13 11:19:10,992 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-13 11:19:11,766 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:19:27,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:19:27,661 INFO L93 Difference]: Finished difference Result 1749 states and 2870 transitions. [2020-10-13 11:19:27,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 11:19:27,662 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 119 [2020-10-13 11:19:27,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:19:27,670 INFO L225 Difference]: With dead ends: 1749 [2020-10-13 11:19:27,670 INFO L226 Difference]: Without dead ends: 1042 [2020-10-13 11:19:27,673 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2020-10-13 11:19:27,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2020-10-13 11:19:27,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 765. [2020-10-13 11:19:27,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2020-10-13 11:19:27,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 1205 transitions. [2020-10-13 11:19:27,852 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 1205 transitions. Word has length 119 [2020-10-13 11:19:27,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:19:27,852 INFO L479 AbstractCegarLoop]: Abstraction has 765 states and 1205 transitions. [2020-10-13 11:19:27,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:19:27,853 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1205 transitions. [2020-10-13 11:19:27,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-13 11:19:27,855 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:19:27,856 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 11:19:27,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:19:27,856 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:19:27,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:19:27,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1386823321, now seen corresponding path program 1 times [2020-10-13 11:19:27,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:19:27,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1480712425] [2020-10-13 11:19:27,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:19:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:27,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:28,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:28,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:28,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:28,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:28,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:32,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:32,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-13 11:19:32,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:19:32,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 11:19:32,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:32,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:19:32,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-13 11:19:32,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:19:32,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:33,634 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:19:33,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:19:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:33,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:33,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:33,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:33,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:33,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 11:19:33,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:33,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:33,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:33,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:33,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:33,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:19:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:33,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:33,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:33,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:19:33,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:33,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:33,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:33,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:33,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:33,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:33,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:33,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:19:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:33,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:33,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:33,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:19:33,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:33,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:33,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:33,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:33,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:33,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:33,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:33,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:19:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:33,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:33,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:33,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:33,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:33,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:33,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:33,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:33,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:33,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:33,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:33,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:19:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:33,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:33,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:33,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:19:33,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:33,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:33,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:33,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:33,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:33,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:33,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:33,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:19:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:33,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:33,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:33,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:33,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:34,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:34,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:19:34,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:19:34,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-10-13 11:19:34,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:34,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:19:34,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:19:34,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:19:34,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:34,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:19:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:34,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:34,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:34,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:34,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:34,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:19:34,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:19:34,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:34,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:19:34,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:19:34,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:19:34,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:34,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:19:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:34,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:34,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:34,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:19:34,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:34,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:19:34,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:34,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:34,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 11:19:34,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:34,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:34,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:19:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:34,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:34,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:34,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:19:34,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:34,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:34,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:34,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:34,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:34,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:34,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:34,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 11:19:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:34,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:34,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:34,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:34,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:34,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:19:34,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:19:34,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-13 11:19:34,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:34,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:34,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-13 11:19:34,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:34,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:34,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:19:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:34,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:34,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:34,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:34,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:34,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:34,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:34,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:34,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:34,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:34,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:34,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:19:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:34,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:34,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:34,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:19:34,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:34,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:19:34,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:34,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:34,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:34,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:34,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:34,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:19:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:34,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:34,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:34,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:19:34,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:34,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:34,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:34,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:34,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:34,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:34,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:34,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 11:19:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:34,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:34,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:34,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:19:34,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:34,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:34,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:34,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:34,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:19:34,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:34,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:34,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:19:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:34,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:34,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:34,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:34,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:34,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:34,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:34,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:34,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:34,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:34,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:34,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 11:19:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:34,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:34,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:34,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:34,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:34,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:34,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:34,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:34,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:19:34,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:34,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:34,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 11:19:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:34,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:34,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:34,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:34,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:34,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:19:34,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:19:34,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:34,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:34,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:19:34,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:34,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:34,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 11:19:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:34,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:34,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:34,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:34,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:34,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:19:34,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:19:34,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:34,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:34,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:19:34,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:34,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:34,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 11:19:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:34,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:34,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:34,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:34,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:34,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:34,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:19:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:34,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:34,298 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:19:34,299 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1480712425] [2020-10-13 11:19:34,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:19:34,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 11:19:34,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288822748] [2020-10-13 11:19:34,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 11:19:34,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:19:34,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 11:19:34,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 11:19:34,301 INFO L87 Difference]: Start difference. First operand 765 states and 1205 transitions. Second operand 8 states. [2020-10-13 11:19:35,575 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:19:36,304 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-13 11:19:37,538 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2020-10-13 11:19:51,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:19:51,433 INFO L93 Difference]: Finished difference Result 1744 states and 2861 transitions. [2020-10-13 11:19:51,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:19:51,434 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 120 [2020-10-13 11:19:51,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:19:51,440 INFO L225 Difference]: With dead ends: 1744 [2020-10-13 11:19:51,440 INFO L226 Difference]: Without dead ends: 1003 [2020-10-13 11:19:51,443 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:19:51,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2020-10-13 11:19:51,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 752. [2020-10-13 11:19:51,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2020-10-13 11:19:51,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1181 transitions. [2020-10-13 11:19:51,680 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1181 transitions. Word has length 120 [2020-10-13 11:19:51,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:19:51,680 INFO L479 AbstractCegarLoop]: Abstraction has 752 states and 1181 transitions. [2020-10-13 11:19:51,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 11:19:51,680 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1181 transitions. [2020-10-13 11:19:51,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-13 11:19:51,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:19:51,683 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 11:19:51,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 11:19:51,684 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:19:51,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:19:51,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1680760367, now seen corresponding path program 1 times [2020-10-13 11:19:51,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:19:51,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [498452059] [2020-10-13 11:19:51,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:19:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:51,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:51,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:51,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:52,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:52,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:53,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:53,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:56,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:56,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-13 11:19:56,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:19:56,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-13 11:19:56,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:56,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:19:56,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-13 11:19:56,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:19:56,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:57,650 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:19:57,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:19:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:57,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:57,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:57,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:57,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:57,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 11:19:57,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:57,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:57,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:57,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:57,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:57,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:19:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:57,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:57,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:57,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:19:57,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:57,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:57,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:57,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:57,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:57,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:57,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:57,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:19:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:57,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:57,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:57,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:19:57,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:57,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:57,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:57,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:57,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:57,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:57,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:57,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:19:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:57,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:57,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:57,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:57,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:57,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:57,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:57,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:57,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:57,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:57,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:57,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:19:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:57,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:57,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:57,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:19:57,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:57,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:57,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:57,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:57,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:57,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:57,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:57,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:19:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:57,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:57,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:57,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:57,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:57,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:57,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:19:57,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:19:57,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-13 11:19:57,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:57,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:19:57,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:19:57,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:19:57,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:57,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:19:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:57,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:57,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:57,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:19:57,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:57,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:57,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:57,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:57,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:57,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:57,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:57,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:19:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:57,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:57,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:58,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:58,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:19:58,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:19:58,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:19:58,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:19:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:19:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:19:58,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:58,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:19:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:58,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:58,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:58,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:19:58,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:58,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:19:58,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:58,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:19:58,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:19:58,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:19:58,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:58,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 11:19:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:58,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:58,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:58,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:58,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:58,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:19:58,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:19:58,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-13 11:19:58,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:58,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:58,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-13 11:19:58,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:58,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:58,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:19:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:58,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:58,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:58,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:58,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:58,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:58,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:58,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:58,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:58,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:58,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:58,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:19:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:58,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:58,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:58,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:19:58,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:58,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:19:58,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:58,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:58,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:58,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:58,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:58,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:19:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:58,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:58,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:58,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:19:58,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:58,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:58,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:58,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:58,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:58,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:58,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:58,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 11:19:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:58,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:58,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:58,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:19:58,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:58,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:19:58,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:58,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:58,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:19:58,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:58,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:19:58,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:19:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:58,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:58,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:58,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:58,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:58,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:19:58,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:58,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:58,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:58,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:58,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:58,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 11:19:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:58,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:58,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:58,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:58,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:58,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:58,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:58,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:58,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:19:58,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:58,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:58,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 11:19:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:58,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:58,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:58,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:58,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:58,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:19:58,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:19:58,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:58,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:58,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:19:58,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:58,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:58,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 11:19:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:58,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:58,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:58,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:58,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:58,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:19:58,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:19:58,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:58,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:58,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:19:58,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:58,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:58,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 11:19:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:58,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:58,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:58,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:58,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:58,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:58,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:58,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:58,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:19:58,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:58,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:58,442 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 11:19:58,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [498452059] [2020-10-13 11:19:58,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:19:58,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:19:58,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45454856] [2020-10-13 11:19:58,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:19:58,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:19:58,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:19:58,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:19:58,446 INFO L87 Difference]: Start difference. First operand 752 states and 1181 transitions. Second operand 9 states. [2020-10-13 11:20:00,793 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:20:01,621 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:20:19,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:20:19,617 INFO L93 Difference]: Finished difference Result 1728 states and 2849 transitions. [2020-10-13 11:20:19,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 11:20:19,618 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 120 [2020-10-13 11:20:19,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:20:19,625 INFO L225 Difference]: With dead ends: 1728 [2020-10-13 11:20:19,625 INFO L226 Difference]: Without dead ends: 1023 [2020-10-13 11:20:19,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2020-10-13 11:20:19,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2020-10-13 11:20:19,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 757. [2020-10-13 11:20:19,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 757 states. [2020-10-13 11:20:19,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1191 transitions. [2020-10-13 11:20:19,906 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1191 transitions. Word has length 120 [2020-10-13 11:20:19,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:20:19,907 INFO L479 AbstractCegarLoop]: Abstraction has 757 states and 1191 transitions. [2020-10-13 11:20:19,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:20:19,907 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1191 transitions. [2020-10-13 11:20:19,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-13 11:20:19,911 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:20:19,911 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 11:20:19,911 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 11:20:19,911 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:20:19,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:20:19,912 INFO L82 PathProgramCache]: Analyzing trace with hash 681075228, now seen corresponding path program 1 times [2020-10-13 11:20:19,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:20:19,912 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [768870281] [2020-10-13 11:20:19,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:20:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:20,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:20,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:20,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:20,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:21,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking...