/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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_spec1_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 05:54:43,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 05:54:43,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 05:54:43,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 05:54:43,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 05:54:43,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 05:54:43,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 05:54:43,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 05:54:43,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 05:54:43,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 05:54:43,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 05:54:43,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 05:54:43,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 05:54:43,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 05:54:43,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 05:54:43,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 05:54:43,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 05:54:43,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 05:54:43,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 05:54:43,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 05:54:43,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 05:54:43,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 05:54:43,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 05:54:43,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 05:54:43,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 05:54:43,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 05:54:43,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 05:54:43,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 05:54:43,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 05:54:43,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 05:54:43,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 05:54:43,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 05:54:43,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 05:54:43,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 05:54:43,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 05:54:43,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 05:54:43,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 05:54:43,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 05:54:43,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 05:54:43,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 05:54:43,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 05:54:43,523 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 [2020-10-14 05:54:43,543 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 05:54:43,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 05:54:43,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 05:54:43,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 05:54:43,545 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 05:54:43,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 05:54:43,545 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 05:54:43,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 05:54:43,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 05:54:43,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 05:54:43,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 05:54:43,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 05:54:43,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 05:54:43,546 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 05:54:43,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 05:54:43,546 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 05:54:43,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 05:54:43,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 05:54:43,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 05:54:43,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 05:54:43,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 05:54:43,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 05:54:43,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 05:54:43,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 05:54:43,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 05:54:43,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 05:54:43,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 05:54:43,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 05:54:43,549 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 05:54:43,549 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 05:54:43,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 05:54:43,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 05:54:43,835 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 05:54:43,836 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 05:54:43,837 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 05:54:43,838 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product32.cil.c [2020-10-14 05:54:43,898 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9bcf38025/f577ae64bb194854a933ef4849fba53f/FLAG02d6282df [2020-10-14 05:54:44,505 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 05:54:44,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product32.cil.c [2020-10-14 05:54:44,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9bcf38025/f577ae64bb194854a933ef4849fba53f/FLAG02d6282df [2020-10-14 05:54:44,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9bcf38025/f577ae64bb194854a933ef4849fba53f [2020-10-14 05:54:44,723 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 05:54:44,725 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 05:54:44,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 05:54:44,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 05:54:44,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 05:54:44,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:54:44" (1/1) ... [2020-10-14 05:54:44,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c286c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:54:44, skipping insertion in model container [2020-10-14 05:54:44,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:54:44" (1/1) ... [2020-10-14 05:54:44,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 05:54:44,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 05:54:45,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:54:45,591 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 05:54:45,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:54:45,839 INFO L208 MainTranslator]: Completed translation [2020-10-14 05:54:45,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:54:45 WrapperNode [2020-10-14 05:54:45,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 05:54:45,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 05:54:45,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 05:54:45,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 05:54:45,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:54:45" (1/1) ... [2020-10-14 05:54:45,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:54:45" (1/1) ... [2020-10-14 05:54:45,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:54:45" (1/1) ... [2020-10-14 05:54:45,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:54:45" (1/1) ... [2020-10-14 05:54:45,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:54:45" (1/1) ... [2020-10-14 05:54:45,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:54:45" (1/1) ... [2020-10-14 05:54:45,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:54:45" (1/1) ... [2020-10-14 05:54:46,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 05:54:46,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 05:54:46,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 05:54:46,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 05:54:46,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:54:45" (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 [2020-10-14 05:54:46,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 05:54:46,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 05:54:46,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 05:54:46,164 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-14 05:54:46,164 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-14 05:54:46,165 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-14 05:54:46,165 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 05:54:46,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 05:54:46,165 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-14 05:54:46,166 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-14 05:54:46,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-14 05:54:46,166 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-14 05:54:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-14 05:54:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-14 05:54:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-14 05:54:46,167 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-14 05:54:46,168 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-14 05:54:46,168 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-14 05:54:46,168 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-14 05:54:46,169 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-14 05:54:46,169 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-14 05:54:46,170 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-14 05:54:46,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-14 05:54:46,170 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-14 05:54:46,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-14 05:54:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-14 05:54:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-14 05:54:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-14 05:54:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-14 05:54:46,172 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-14 05:54:46,172 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-14 05:54:46,172 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-14 05:54:46,172 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-14 05:54:46,173 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-14 05:54:46,173 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-14 05:54:46,173 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-14 05:54:46,173 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 05:54:46,174 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-14 05:54:46,174 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-14 05:54:46,174 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-14 05:54:46,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-14 05:54:46,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-14 05:54:46,175 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-14 05:54:46,175 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-14 05:54:46,176 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-14 05:54:46,176 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-14 05:54:46,176 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-14 05:54:46,176 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-14 05:54:46,177 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-14 05:54:46,177 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-14 05:54:46,177 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 05:54:46,177 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-14 05:54:46,178 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-14 05:54:46,178 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-14 05:54:46,178 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 05:54:46,178 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-14 05:54:46,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 05:54:46,179 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 05:54:46,179 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 05:54:46,179 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 05:54:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 05:54:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 05:54:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 05:54:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-14 05:54:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-14 05:54:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-14 05:54:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-14 05:54:46,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 05:54:46,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 05:54:46,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 05:54:46,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 05:54:46,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 05:54:46,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 05:54:46,182 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-14 05:54:46,183 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-14 05:54:46,183 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-14 05:54:46,183 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-14 05:54:46,183 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-14 05:54:46,183 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-14 05:54:46,184 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-14 05:54:46,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-14 05:54:46,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-14 05:54:46,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-14 05:54:46,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 05:54:46,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 05:54:46,185 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-14 05:54:46,185 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-14 05:54:46,186 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-14 05:54:46,186 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-14 05:54:46,186 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-14 05:54:46,186 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 05:54:46,186 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 05:54:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 05:54:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 05:54:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-14 05:54:46,187 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-14 05:54:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-14 05:54:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-14 05:54:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-14 05:54:46,188 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-14 05:54:46,189 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-14 05:54:46,189 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 05:54:46,189 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-14 05:54:46,189 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-14 05:54:46,190 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-14 05:54:46,190 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-14 05:54:46,190 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-14 05:54:46,191 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-14 05:54:46,191 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-14 05:54:46,191 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-14 05:54:46,191 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-14 05:54:46,192 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-14 05:54:46,192 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-14 05:54:46,192 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-14 05:54:46,192 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-14 05:54:46,192 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-14 05:54:46,193 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-14 05:54:46,193 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-14 05:54:46,193 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-14 05:54:46,193 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-14 05:54:46,193 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-14 05:54:46,193 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-14 05:54:46,194 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-14 05:54:46,194 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-14 05:54:46,194 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-14 05:54:46,194 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-14 05:54:46,194 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-14 05:54:46,194 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-14 05:54:46,195 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-14 05:54:46,195 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-14 05:54:46,195 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-14 05:54:46,195 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-14 05:54:46,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-14 05:54:46,196 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-14 05:54:46,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 05:54:46,196 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-14 05:54:46,196 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 05:54:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-14 05:54:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-14 05:54:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-14 05:54:46,197 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-14 05:54:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-14 05:54:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-14 05:54:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-14 05:54:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-14 05:54:46,198 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-14 05:54:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-14 05:54:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 05:54:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-14 05:54:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 05:54:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-14 05:54:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-14 05:54:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 05:54:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 05:54:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 05:54:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 05:54:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 05:54:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 05:54:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-14 05:54:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 05:54:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 05:54:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 05:54:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 05:54:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 05:54:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 05:54:46,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 05:54:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 05:54:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 05:54:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 05:54:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 05:54:46,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 05:54:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 05:54:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 05:54:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 05:54:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 05:54:46,204 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-14 05:54:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-14 05:54:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-14 05:54:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 05:54:46,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 05:54:46,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 05:54:48,479 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 05:54:48,479 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-14 05:54:48,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:54:48 BoogieIcfgContainer [2020-10-14 05:54:48,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 05:54:48,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 05:54:48,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 05:54:48,526 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 05:54:48,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:54:44" (1/3) ... [2020-10-14 05:54:48,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e13db13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:54:48, skipping insertion in model container [2020-10-14 05:54:48,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:54:45" (2/3) ... [2020-10-14 05:54:48,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e13db13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:54:48, skipping insertion in model container [2020-10-14 05:54:48,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:54:48" (3/3) ... [2020-10-14 05:54:48,530 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product32.cil.c [2020-10-14 05:54:48,540 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 05:54:48,551 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 05:54:48,565 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 05:54:48,596 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 05:54:48,596 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 05:54:48,597 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 05:54:48,597 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 05:54:48,597 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 05:54:48,597 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 05:54:48,597 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 05:54:48,597 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 05:54:48,648 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states. [2020-10-14 05:54:48,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-14 05:54:48,667 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:54:48,668 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] [2020-10-14 05:54:48,668 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:54:48,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:54:48,673 INFO L82 PathProgramCache]: Analyzing trace with hash 56445338, now seen corresponding path program 1 times [2020-10-14 05:54:48,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:54:48,680 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [570320173] [2020-10-14 05:54:48,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:54:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:49,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:49,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:49,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:49,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:50,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:51,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:51,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:54,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:54,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-14 05:54:54,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:54:54,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 05:54:54,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:54,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:54,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:54:54,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-14 05:54:54,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:54:54,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 05:54:55,236 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:54:55,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:54:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:55,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:55,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:55,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:55,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:55,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 05:54:55,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:55,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:55,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:55,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:55,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:55,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:54:55,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:54:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:55,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:55,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:55,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:54:55,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:55,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:54:55,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:55,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:55,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:55,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:55,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:55,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:54:55,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:54:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:55,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:55,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:55,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:54:55,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:55,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:54:55,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:55,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:55,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:55,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:55,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:55,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:54:55,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:54:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:55,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:55,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:55,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:55,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:55,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:54:55,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:55,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:55,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:55,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:55,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:55,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:54:55,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:54:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:55,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:55,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:55,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:54:55,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:55,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:54:55,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:55,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:55,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:55,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:55,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:55,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:54:55,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:54:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:55,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:55,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:54:55,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:54:55,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:54:55,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:54:55,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:54:55,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:54:55,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:54:55,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:54:55,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:54:55,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:54:55,585 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:54:55,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:54:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:54:55,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:55,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:55,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:55,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:55,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:56,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:56,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:56,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:59,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:54:59,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:00,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:00,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 05:55:00,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 05:55:00,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-14 05:55:00,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:00,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:00,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:00,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-14 05:55:00,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:55:00,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 05:55:00,827 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:55:00,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:55:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:00,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:00,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:00,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:00,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:00,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:00,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:01,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:01,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-14 05:55:01,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:55:01,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 882 [2020-10-14 05:55:01,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:01,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:01,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:01,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:01,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:01,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:01,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:01,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:01,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:01,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:01,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:01,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:55:01,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 05:55:01,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:01,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:01,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:01,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:01,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:01,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:01,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:55:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:01,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:01,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:01,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:01,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 05:55:01,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:55:01,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 05:55:01,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:01,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:01,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:01,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:01,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:01,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:01,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:55:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:01,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:01,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:01,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:55:01,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:01,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:55:01,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:01,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:01,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:01,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:01,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:01,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:01,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:01,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:01,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:01,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:01,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:01,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:01,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:01,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:01,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:01,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:01,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:01,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:01,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:55:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:01,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:01,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:01,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:01,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:01,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:02,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:02,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-14 05:55:02,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:55:02,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-10-14 05:55:02,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:02,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:02,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:02,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:55:02,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 05:55:02,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:02,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:02,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:02,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:02,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:02,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:02,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:55:02,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:55:02,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:02,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:02,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:02,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:02,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:02,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:02,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:55:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:02,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:02,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:02,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 05:55:02,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:02,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 05:55:02,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:02,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:02,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:02,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:55:02,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 05:55:02,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:02,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 05:55:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:02,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:02,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:02,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:55:02,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:02,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:55:02,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:02,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:02,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:55:02,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:02,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:55:02,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:02,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:02,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:02,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:02,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:02,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:02,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:55:02,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:02,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:02,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:02,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:02,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:03,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 05:55:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:03,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:03,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:03,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:03,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 05:55:03,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:55:03,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 05:55:03,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:03,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:03,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:03,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:55:03,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:03,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:03,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:03,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:03,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:03,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:55:03,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:03,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 05:55:03,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:03,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:03,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:03,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:03,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:03,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:03,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:03,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:03,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:03,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:03,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:03,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:03,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:03,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:03,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:03,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:03,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:03,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 05:55:03,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:55:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:03,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:03,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:03,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:55:03,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:03,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:55:03,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:03,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:03,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:03,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:03,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:03,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 05:55:03,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:03,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:03,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:03,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:03,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:03,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:03,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:03,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:03,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:03,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:03,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:03,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:03,288 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-14 05:55:03,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [570320173] [2020-10-14 05:55:03,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:55:03,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:55:03,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064495028] [2020-10-14 05:55:03,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:55:03,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:55:03,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:55:03,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:55:03,317 INFO L87 Difference]: Start difference. First operand 834 states. Second operand 9 states. [2020-10-14 05:55:05,168 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 05:55:22,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:55:22,523 INFO L93 Difference]: Finished difference Result 1614 states and 2681 transitions. [2020-10-14 05:55:22,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:55:22,525 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 116 [2020-10-14 05:55:22,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:55:22,558 INFO L225 Difference]: With dead ends: 1614 [2020-10-14 05:55:22,558 INFO L226 Difference]: Without dead ends: 943 [2020-10-14 05:55:22,572 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:55:22,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2020-10-14 05:55:22,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 673. [2020-10-14 05:55:22,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2020-10-14 05:55:22,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 1057 transitions. [2020-10-14 05:55:22,851 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 1057 transitions. Word has length 116 [2020-10-14 05:55:22,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:55:22,852 INFO L479 AbstractCegarLoop]: Abstraction has 673 states and 1057 transitions. [2020-10-14 05:55:22,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:55:22,852 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 1057 transitions. [2020-10-14 05:55:22,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-14 05:55:22,858 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:55:22,858 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2020-10-14 05:55:22,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 05:55:22,859 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:55:22,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:55:22,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1092356003, now seen corresponding path program 1 times [2020-10-14 05:55:22,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:55:22,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069041077] [2020-10-14 05:55:22,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:55:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:22,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:23,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:23,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:23,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:24,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:27,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:27,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-14 05:55:27,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:55:27,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-14 05:55:27,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:27,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:27,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:27,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 05:55:27,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:55:27,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:28,771 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:55:28,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:55:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:28,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:28,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:28,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:28,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:28,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-14 05:55:28,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:28,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:28,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:28,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:28,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:28,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:28,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:55:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:28,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:28,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:28,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:55:28,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:28,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:28,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:28,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:28,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:28,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:28,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:28,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:28,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:55:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:28,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:28,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:28,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:55:28,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:28,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:28,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:28,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:28,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:28,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:28,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:28,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:28,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:55:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:28,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:28,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:28,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:28,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:28,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:28,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:28,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:28,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:28,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:28,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:28,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:28,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:55:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:28,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:28,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:28,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:55:28,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:28,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:28,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:28,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:28,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:28,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:28,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:28,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:28,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:55:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:28,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:28,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:28,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:28,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:28,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:28,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:28,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:28,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:28,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:28,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:28,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:29,136 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:55:29,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:55:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:29,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:29,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:29,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:29,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:29,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:29,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:29,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:34,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:34,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-14 05:55:34,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:55:34,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-14 05:55:34,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:34,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:34,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:34,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:55:34,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:55:34,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:34,372 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:55:34,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:55:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:34,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:34,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:34,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:34,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:34,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:35,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:35,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:55:35,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:55:35,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 934 [2020-10-14 05:55:35,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:35,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:35,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:35,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:55:35,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:55:35,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:35,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:35,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:35,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:35,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:35,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:35,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:55:35,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:55:35,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:35,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:35,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:35,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:35,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:35,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:35,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:55:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:35,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:35,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:35,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 05:55:35,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:35,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 05:55:35,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:35,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:35,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:35,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:55:35,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 05:55:35,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:35,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:55:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:35,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:35,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:35,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:55:35,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:35,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:55:35,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:35,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:35,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:55:35,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:35,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:55:35,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:35,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:35,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:35,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:35,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:35,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:35,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:35,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:35,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:35,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:35,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:35,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:35,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:35,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 05:55:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:35,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:35,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:35,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:35,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:35,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:36,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:36,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:36,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:55:36,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:55:36,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 882 [2020-10-14 05:55:36,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:36,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:36,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:36,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-14 05:55:36,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:36,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:36,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:36,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:36,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:36,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:36,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:36,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:55:36,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:55:36,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:36,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:36,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:36,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:36,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:36,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:36,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:55:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:36,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:36,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:36,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:36,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 05:55:36,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:55:36,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 05:55:36,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:36,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:36,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:36,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:36,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:36,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:36,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 05:55:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:36,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:36,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:36,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:55:36,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:36,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:55:36,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:36,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:36,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:36,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:36,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:36,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:36,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:36,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:36,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:36,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:55:36,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:36,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:36,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:36,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:36,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:36,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:36,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:36,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:36,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 05:55:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:36,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:36,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:36,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:55:36,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:36,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 05:55:36,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:36,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:36,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:36,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:55:36,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:36,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:36,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:36,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:36,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:36,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:55:36,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:36,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 05:55:36,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:36,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:36,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:36,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:36,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:36,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:36,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:36,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:36,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:36,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:36,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:36,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:36,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:36,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:36,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:36,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:36,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:36,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:36,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:55:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:36,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:36,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:36,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:55:36,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:36,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:55:36,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:36,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:36,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:36,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:36,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:36,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:36,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:55:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:36,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:36,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:36,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:36,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:36,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:36,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:36,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:36,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:36,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:36,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:36,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:36,722 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-14 05:55:36,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069041077] [2020-10-14 05:55:36,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:55:36,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 05:55:36,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332289215] [2020-10-14 05:55:36,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:55:36,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:55:36,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:55:36,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:55:36,726 INFO L87 Difference]: Start difference. First operand 673 states and 1057 transitions. Second operand 9 states. [2020-10-14 05:55:38,284 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 05:55:52,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:55:52,529 INFO L93 Difference]: Finished difference Result 1591 states and 2621 transitions. [2020-10-14 05:55:52,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:55:52,530 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 120 [2020-10-14 05:55:52,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:55:52,541 INFO L225 Difference]: With dead ends: 1591 [2020-10-14 05:55:52,541 INFO L226 Difference]: Without dead ends: 943 [2020-10-14 05:55:52,546 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:55:52,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2020-10-14 05:55:52,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 673. [2020-10-14 05:55:52,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2020-10-14 05:55:52,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 1052 transitions. [2020-10-14 05:55:52,717 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 1052 transitions. Word has length 120 [2020-10-14 05:55:52,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:55:52,717 INFO L479 AbstractCegarLoop]: Abstraction has 673 states and 1052 transitions. [2020-10-14 05:55:52,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:55:52,718 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 1052 transitions. [2020-10-14 05:55:52,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-14 05:55:52,761 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:55:52,762 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, 1, 1, 1] [2020-10-14 05:55:52,765 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 05:55:52,765 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:55:52,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:55:52,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1212840127, now seen corresponding path program 1 times [2020-10-14 05:55:52,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:55:52,768 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1268257532] [2020-10-14 05:55:52,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:55:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:52,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:52,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:53,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:53,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:53,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:53,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:54,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:57,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:57,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-14 05:55:57,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:55:57,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-14 05:55:57,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:57,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:57,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:55:57,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 05:55:57,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:55:57,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:58,710 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:55:58,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:55:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:58,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:58,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:58,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:58,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:58,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 05:55:58,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:58,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:58,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:58,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:58,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:58,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:58,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:55:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:58,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:58,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:58,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:55:58,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:58,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:58,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:58,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:58,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:58,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:58,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:58,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:58,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:55:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:58,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:58,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:58,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:55:58,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:58,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:58,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:58,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:58,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:58,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:55:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:58,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:58,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:58,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:58,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:58,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:58,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:58,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:58,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:58,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:58,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:58,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:58,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:55:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:58,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:58,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:58,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:55:58,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:58,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:55:58,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:58,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:58,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:58,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:58,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:58,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:55:58,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:55:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:58,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:58,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:55:58,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:55:58,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:55:58,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:55:58,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:55:58,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:55:58,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:55:58,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:55:58,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:55:58,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:55:59,018 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:55:59,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:55:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:55:59,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:59,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:59,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:59,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:59,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:55:59,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:00,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:00,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:00,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:04,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:04,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 05:56:04,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 05:56:04,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 05:56:04,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:04,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:04,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:56:04,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:56:04,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:56:04,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:04,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:56:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:04,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:04,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:04,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:04,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:04,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:04,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:04,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:56:04,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:56:04,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 647 [2020-10-14 05:56:04,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:04,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:04,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:56:04,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:56:04,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:56:04,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:04,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:04,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:04,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:04,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:04,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:56:04,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:56:04,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:56:04,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:04,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:04,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:04,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:04,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:04,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:04,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:56:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:04,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:04,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:04,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 05:56:04,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:04,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 05:56:04,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:04,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:04,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:56:04,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:56:04,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 05:56:04,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:04,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 05:56:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:04,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:04,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:04,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:56:04,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:04,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:56:04,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:04,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:04,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:56:04,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:04,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:56:04,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:04,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:04,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:04,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:04,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:56:04,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:04,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:56:04,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:04,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:04,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:04,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:04,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:04,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:04,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 05:56:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:04,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:04,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:04,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:04,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:05,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:05,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:05,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:56:05,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:56:05,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 646 [2020-10-14 05:56:05,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:05,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:05,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:05,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:56:05,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:05,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:05,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:05,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:05,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:05,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:05,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:56:05,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:56:05,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:56:05,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:05,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:05,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:05,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:05,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:05,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:05,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:56:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:05,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:05,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:05,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 05:56:05,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:05,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:56:05,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:05,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:05,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:05,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 05:56:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:05,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:05,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:05,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:56:05,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:05,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:56:05,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:05,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:05,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:05,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:05,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:05,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:05,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:05,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:05,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:05,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:56:05,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:05,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:56:05,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:05,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:05,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:05,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:05,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:05,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:05,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 05:56:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:05,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:05,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:05,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:56:05,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:05,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 05:56:05,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:05,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:05,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:05,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:56:05,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:05,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:05,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:05,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:05,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:05,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:56:05,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:05,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 05:56:05,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:05,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:05,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:05,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:05,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:05,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:05,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:05,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:05,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:05,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:05,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:05,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:56:05,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:05,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:05,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:05,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:05,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:05,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:05,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:56:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:05,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:05,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:05,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:56:05,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:05,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:56:05,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:05,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:05,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:05,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:05,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:05,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:05,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:05,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:05,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:05,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:05,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:05,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:56:05,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:05,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:05,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:05,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:05,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:05,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:05,819 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-14 05:56:05,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1268257532] [2020-10-14 05:56:05,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:56:05,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 05:56:05,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197329963] [2020-10-14 05:56:05,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:56:05,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:56:05,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:56:05,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:56:05,821 INFO L87 Difference]: Start difference. First operand 673 states and 1052 transitions. Second operand 9 states. [2020-10-14 05:56:07,437 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 05:56:09,258 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 05:56:10,139 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-14 05:56:23,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:56:23,879 INFO L93 Difference]: Finished difference Result 1630 states and 2670 transitions. [2020-10-14 05:56:23,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 05:56:23,880 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 122 [2020-10-14 05:56:23,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:56:23,891 INFO L225 Difference]: With dead ends: 1630 [2020-10-14 05:56:23,891 INFO L226 Difference]: Without dead ends: 989 [2020-10-14 05:56:23,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2020-10-14 05:56:23,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2020-10-14 05:56:24,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 712. [2020-10-14 05:56:24,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 712 states. [2020-10-14 05:56:24,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 1116 transitions. [2020-10-14 05:56:24,104 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 1116 transitions. Word has length 122 [2020-10-14 05:56:24,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:56:24,105 INFO L479 AbstractCegarLoop]: Abstraction has 712 states and 1116 transitions. [2020-10-14 05:56:24,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:56:24,105 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1116 transitions. [2020-10-14 05:56:24,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-14 05:56:24,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:56:24,109 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2020-10-14 05:56:24,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 05:56:24,109 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:56:24,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:56:24,109 INFO L82 PathProgramCache]: Analyzing trace with hash -233064367, now seen corresponding path program 1 times [2020-10-14 05:56:24,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:56:24,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1764412443] [2020-10-14 05:56:24,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:56:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:24,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:24,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:24,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:24,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:24,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:24,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:25,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:25,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:27,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:29,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:29,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-14 05:56:29,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 05:56:29,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 05:56:29,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:29,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:29,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:56:29,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 05:56:29,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:56:29,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:29,957 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:56:29,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:56:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:29,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:29,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:29,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:29,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:29,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 05:56:29,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:29,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:29,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:29,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:29,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:29,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:30,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:56:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:30,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:30,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:30,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:56:30,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:30,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:56:30,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:30,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:30,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:30,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:30,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:30,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:30,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:56:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:30,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:30,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:30,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:56:30,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:30,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:56:30,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:30,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:30,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:30,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:30,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:30,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:56:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:30,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:30,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:30,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:30,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:30,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:56:30,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:30,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:30,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:30,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:30,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:30,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:30,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:56:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:30,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:30,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:30,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:56:30,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:30,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:56:30,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:30,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:30,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:30,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:30,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:30,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:30,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:56:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:30,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:30,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:30,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:30,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:30,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:56:30,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:30,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:30,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:30,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:30,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:30,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:30,249 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:56:30,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:56:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:30,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:30,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:30,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:30,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:30,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:30,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:30,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:31,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:32,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:35,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:35,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 05:56:35,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 05:56:35,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 05:56:35,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:35,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:35,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:56:35,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:56:35,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:56:35,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:35,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:56:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:35,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:35,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:35,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:35,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:35,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:35,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:35,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 05:56:35,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:56:35,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 436 [2020-10-14 05:56:35,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:35,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:56:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:56:35,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:56:35,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:35,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:35,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:35,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:35,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:35,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:56:35,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:56:35,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:56:35,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:35,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:35,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:35,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:35,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:35,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:35,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:56:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:35,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:35,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:35,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 05:56:35,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:35,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 05:56:35,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:35,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:35,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:56:35,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:56:35,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 05:56:35,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:35,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:56:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:35,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:35,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:35,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:56:35,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:35,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:56:35,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:35,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:35,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:56:35,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:35,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:56:35,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:35,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:35,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:35,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:35,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:56:35,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:35,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:56:35,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:35,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:35,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:35,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:35,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:35,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:35,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:56:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:35,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:35,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:35,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:35,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:36,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:36,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:36,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:56:36,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:56:36,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 366 [2020-10-14 05:56:36,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:36,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:36,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:36,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:56:36,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:36,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:36,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:36,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:36,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:36,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:36,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:56:36,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:56:36,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:56:36,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:36,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:36,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:36,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:36,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:36,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:36,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:56:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:36,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:36,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:36,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 05:56:36,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:36,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 05:56:36,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:36,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:36,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:36,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:36,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:36,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:36,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 05:56:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:36,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:36,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:36,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:56:36,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:36,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:56:36,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:36,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:36,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:36,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:36,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:36,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:36,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:36,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:36,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:36,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:56:36,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:36,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:56:36,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:36,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:36,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:36,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:36,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:36,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:56:36,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 05:56:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:36,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:36,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:36,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:56:36,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:36,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 05:56:36,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:36,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:36,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:36,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:56:36,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:36,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:36,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:36,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:36,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:36,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:56:36,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:36,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:56:36,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:36,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:36,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:36,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:36,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:36,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:36,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:36,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:36,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:36,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:36,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:36,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:56:36,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:36,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:36,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:36,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:36,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:36,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:36,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:56:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:36,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:36,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:36,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:56:36,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:36,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:56:36,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:36,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:36,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:36,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:36,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:36,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:36,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:56:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:36,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:36,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:36,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:56:36,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:56:36,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:56:36,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:36,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:36,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:56:36,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:56:36,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:56:36,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:56:36,497 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-14 05:56:36,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1764412443] [2020-10-14 05:56:36,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:56:36,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 05:56:36,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058600873] [2020-10-14 05:56:36,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:56:36,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:56:36,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:56:36,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:56:36,499 INFO L87 Difference]: Start difference. First operand 712 states and 1116 transitions. Second operand 9 states. [2020-10-14 05:56:37,958 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 05:56:39,708 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 05:56:40,460 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-14 05:56:53,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:56:53,688 INFO L93 Difference]: Finished difference Result 1637 states and 2677 transitions. [2020-10-14 05:56:53,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 05:56:53,689 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 123 [2020-10-14 05:56:53,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:56:53,697 INFO L225 Difference]: With dead ends: 1637 [2020-10-14 05:56:53,698 INFO L226 Difference]: Without dead ends: 989 [2020-10-14 05:56:53,702 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2020-10-14 05:56:53,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2020-10-14 05:56:53,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 712. [2020-10-14 05:56:53,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 712 states. [2020-10-14 05:56:53,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 1111 transitions. [2020-10-14 05:56:53,899 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 1111 transitions. Word has length 123 [2020-10-14 05:56:53,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:56:53,899 INFO L479 AbstractCegarLoop]: Abstraction has 712 states and 1111 transitions. [2020-10-14 05:56:53,899 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:56:53,899 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1111 transitions. [2020-10-14 05:56:53,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-14 05:56:53,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:56:53,903 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2020-10-14 05:56:53,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 05:56:53,903 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:56:53,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:56:53,904 INFO L82 PathProgramCache]: Analyzing trace with hash 233491088, now seen corresponding path program 1 times [2020-10-14 05:56:53,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:56:53,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1802991852] [2020-10-14 05:56:53,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:56:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:56:54,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:54,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:54,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:54,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:54,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:54,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:55,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:56,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:56:58,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:56:58,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-14 05:56:58,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 05:56:58,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-14 05:56:58,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:56:58,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:56:59,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:56:59,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-14 05:56:59,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 05:56:59,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:00,070 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:57:00,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:57:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:00,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:00,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:00,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:57:00,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:00,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 05:57:00,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:00,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:00,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:00,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:00,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:00,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:00,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:57:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:00,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:00,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:00,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:57:00,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:00,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:57:00,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:00,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:00,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:00,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:00,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:00,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:00,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:57:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:00,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:00,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:00,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:57:00,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:00,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:00,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:00,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:00,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:00,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:00,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:00,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:00,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:57:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:00,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:00,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:00,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:57:00,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:00,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:00,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:00,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:00,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:00,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:00,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:00,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:00,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:57:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:00,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:00,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:00,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:57:00,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:00,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:00,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:00,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:00,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:00,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:00,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:00,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:00,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:57:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:00,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:00,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:00,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:57:00,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:00,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:57:00,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:00,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:00,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:00,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:00,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:00,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:00,383 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:57:00,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:57:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:00,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:00,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:00,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:00,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:00,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:00,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:00,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:00,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:04,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:04,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:05,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:05,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-14 05:57:05,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 05:57:05,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 05:57:05,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:05,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:05,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:57:05,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 05:57:05,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 05:57:05,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:05,536 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:57:05,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:57:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:05,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:05,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:05,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:05,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:05,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:05,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:06,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:06,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-14 05:57:06,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:57:06,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1336 [2020-10-14 05:57:06,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:06,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:06,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:57:06,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:57:06,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 05:57:06,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:06,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:57:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:06,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:06,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:06,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:06,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:57:06,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:57:06,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 05:57:06,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:06,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:06,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:06,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:06,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:06,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:06,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:57:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:06,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:06,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:07,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 05:57:07,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:57:07,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-14 05:57:07,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:07,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:07,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:57:07,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 05:57:07,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 05:57:07,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:07,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:57:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:07,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:07,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:57:07,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:57:07,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 05:57:07,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:07,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:07,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:57:07,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:57:07,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:57:07,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:07,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:57:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:07,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:07,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:57:07,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:07,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:57:07,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:07,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:07,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:57:07,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:07,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 05:57:07,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:07,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:57:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:07,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:07,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:57:07,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:57:07,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 619 [2020-10-14 05:57:07,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:07,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:07,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:07,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:57:07,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:07,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:07,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:57:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:07,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:07,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:57:07,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:57:07,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:57:07,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:07,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:07,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:07,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:07,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:07,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:07,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:57:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:07,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:07,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 05:57:07,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:07,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:57:07,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:07,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:07,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:07,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:07,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:07,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:07,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 05:57:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:07,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:07,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:57:07,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:07,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:57:07,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:07,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:07,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:07,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:07,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:07,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:07,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:57:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:07,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:07,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:57:07,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:07,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:57:07,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:07,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:07,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:07,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:07,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:07,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:07,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 05:57:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:07,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:07,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:57:07,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:07,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 05:57:07,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:07,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:07,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:07,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:57:07,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:07,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:07,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:57:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:07,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:07,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:57:07,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:07,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:57:07,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:07,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:07,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:07,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:07,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:07,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:07,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:57:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:07,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:07,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:57:07,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:07,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:07,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:07,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:07,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:07,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:07,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:07,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:07,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:57:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:07,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:07,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:57:07,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:07,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:57:07,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:07,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:07,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:07,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:07,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:07,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:07,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:57:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:07,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:07,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:07,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:57:07,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:07,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:07,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:07,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:07,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:07,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:07,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:07,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:08,003 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 05:57:08,004 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1802991852] [2020-10-14 05:57:08,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:57:08,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 05:57:08,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702219800] [2020-10-14 05:57:08,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 05:57:08,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:57:08,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 05:57:08,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-14 05:57:08,006 INFO L87 Difference]: Start difference. First operand 712 states and 1111 transitions. Second operand 10 states. [2020-10-14 05:57:09,657 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 404 [2020-10-14 05:57:10,609 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 05:57:29,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:57:29,312 INFO L93 Difference]: Finished difference Result 1656 states and 2719 transitions. [2020-10-14 05:57:29,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 05:57:29,312 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 123 [2020-10-14 05:57:29,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:57:29,322 INFO L225 Difference]: With dead ends: 1656 [2020-10-14 05:57:29,322 INFO L226 Difference]: Without dead ends: 1013 [2020-10-14 05:57:29,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-10-14 05:57:29,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2020-10-14 05:57:29,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 716. [2020-10-14 05:57:29,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-10-14 05:57:29,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1118 transitions. [2020-10-14 05:57:29,590 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1118 transitions. Word has length 123 [2020-10-14 05:57:29,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:57:29,590 INFO L479 AbstractCegarLoop]: Abstraction has 716 states and 1118 transitions. [2020-10-14 05:57:29,590 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 05:57:29,590 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1118 transitions. [2020-10-14 05:57:29,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-14 05:57:29,593 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:57:29,593 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:57:29,593 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 05:57:29,593 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:57:29,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:57:29,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1810464154, now seen corresponding path program 1 times [2020-10-14 05:57:29,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:57:29,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [175921893] [2020-10-14 05:57:29,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:57:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:29,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:29,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:29,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:30,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:30,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:30,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:30,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:34,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:34,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 05:57:34,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:57:34,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-14 05:57:34,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:34,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:34,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:57:34,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 05:57:34,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:57:34,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:35,482 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:57:35,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:57:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:35,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:35,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:35,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:57:35,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:35,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 05:57:35,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:35,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:35,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:35,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:35,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:35,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:35,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:57:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:35,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:35,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:35,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:57:35,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:35,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:35,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:35,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:35,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:35,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:35,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:35,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:35,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:57:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:35,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:35,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:35,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:57:35,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:35,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:35,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:35,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:35,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:35,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:35,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:35,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:35,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:57:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:35,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:35,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:35,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:57:35,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:35,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:35,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:35,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:35,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:35,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:57:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:35,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:35,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:35,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:57:35,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:35,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:35,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:35,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:35,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:35,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:35,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:35,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:35,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:57:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:35,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:35,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:35,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:57:35,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:35,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:57:35,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:35,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:35,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:35,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:35,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:35,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:35,766 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:57:35,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:57:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:35,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:35,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:35,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:35,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:35,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:35,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:37,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:37,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:37,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:40,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:40,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 05:57:40,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 05:57:40,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 05:57:40,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:40,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:40,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:57:40,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:57:40,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:57:40,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:40,923 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:57:40,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:57:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:40,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:40,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:40,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:40,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:41,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:41,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:41,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-14 05:57:41,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:57:41,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 430 [2020-10-14 05:57:41,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:41,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:41,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:57:41,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:57:41,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:57:41,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:41,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:57:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:41,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:41,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:41,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:41,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:57:41,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:57:41,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:57:41,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:41,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:41,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:41,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:41,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:41,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:41,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:57:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:41,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:41,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:41,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 05:57:41,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:41,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 05:57:41,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:41,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:41,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:57:41,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:57:41,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 05:57:41,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:41,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:57:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:41,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:41,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:41,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:57:41,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:41,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:57:41,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:41,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:41,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:57:41,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:41,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:57:41,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:41,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:57:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:41,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:41,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:41,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:57:41,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:41,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:57:41,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:41,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:41,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:41,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:41,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:41,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:41,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 05:57:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:41,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:41,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:41,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:41,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:41,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:41,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:41,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:57:41,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:57:41,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 468 [2020-10-14 05:57:41,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:41,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:41,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:41,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:57:41,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:41,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:41,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:57:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:41,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:41,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:41,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:41,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:57:41,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:57:41,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:57:41,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:41,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:41,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:41,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:41,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:41,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:41,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:57:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:41,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:41,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:41,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 05:57:41,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:41,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:57:41,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:41,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:41,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:41,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:41,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:41,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:41,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 05:57:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:41,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:41,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:41,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:57:41,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:41,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:57:41,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:41,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:41,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:41,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:41,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:41,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:41,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:57:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:41,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:41,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:41,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:57:41,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:41,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:41,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:41,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:41,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:41,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:41,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:41,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:41,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 05:57:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:41,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:42,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:42,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:57:42,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:42,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 05:57:42,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:42,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:42,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:42,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:57:42,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:42,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:42,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:57:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:42,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:42,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:42,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:57:42,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:42,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:57:42,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:42,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:42,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:42,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:42,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:42,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:42,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:57:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:42,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:42,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:42,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:57:42,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:42,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:42,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:42,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:42,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:42,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:42,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:42,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:42,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:57:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:42,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:42,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:42,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:57:42,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:42,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:57:42,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:42,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:42,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:42,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:42,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:42,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:57:42,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:57:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:57:42,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:57:42,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:57:42,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:57:42,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:57:42,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:57:42,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:57:42,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:57:42,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:57:42,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:57:42,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:57:42,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:57:42,120 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-14 05:57:42,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [175921893] [2020-10-14 05:57:42,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:57:42,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 05:57:42,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954612175] [2020-10-14 05:57:42,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:57:42,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:57:42,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:57:42,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:57:42,125 INFO L87 Difference]: Start difference. First operand 716 states and 1118 transitions. Second operand 9 states. [2020-10-14 05:57:43,614 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 05:57:45,428 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-14 05:57:46,265 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2020-10-14 05:58:01,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:58:01,267 INFO L93 Difference]: Finished difference Result 1649 states and 2708 transitions. [2020-10-14 05:58:01,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 05:58:01,268 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 124 [2020-10-14 05:58:01,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:58:01,275 INFO L225 Difference]: With dead ends: 1649 [2020-10-14 05:58:01,275 INFO L226 Difference]: Without dead ends: 997 [2020-10-14 05:58:01,279 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2020-10-14 05:58:01,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2020-10-14 05:58:01,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 716. [2020-10-14 05:58:01,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-10-14 05:58:01,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1113 transitions. [2020-10-14 05:58:01,469 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1113 transitions. Word has length 124 [2020-10-14 05:58:01,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:58:01,469 INFO L479 AbstractCegarLoop]: Abstraction has 716 states and 1113 transitions. [2020-10-14 05:58:01,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:58:01,469 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1113 transitions. [2020-10-14 05:58:01,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-14 05:58:01,471 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:58:01,472 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:58:01,472 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 05:58:01,472 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:58:01,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:58:01,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1924024394, now seen corresponding path program 1 times [2020-10-14 05:58:01,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:58:01,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [782651142] [2020-10-14 05:58:01,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:58:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:01,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:01,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:01,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:01,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:01,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:02,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:02,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:06,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:06,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-14 05:58:06,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 05:58:06,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-14 05:58:06,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:06,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:06,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:58:06,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 05:58:06,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:58:06,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:07,306 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-14 05:58:07,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:58:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:07,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:07,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:07,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:07,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:07,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 05:58:07,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:07,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:07,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:07,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:07,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:07,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:07,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:58:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:07,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:07,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:07,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:58:07,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:07,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:07,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:07,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:07,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:07,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:07,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:07,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:07,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:58:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:07,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:07,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:07,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:58:07,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:07,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:07,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:07,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:07,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:07,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:07,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:07,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 05:58:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:07,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:07,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:07,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:07,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:07,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:07,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:07,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:07,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:07,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:07,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:07,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:07,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 05:58:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:07,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:07,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:07,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 05:58:07,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:07,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:07,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:07,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:07,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:07,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:07,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:07,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:07,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 05:58:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:07,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:07,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:07,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:07,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:07,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:58:07,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:07,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:07,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:07,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:07,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:07,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:07,574 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-14 05:58:07,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 05:58:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:07,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:07,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:07,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:07,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:07,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:07,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:08,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:08,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:08,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:12,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:12,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 05:58:12,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 05:58:12,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 05:58:12,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:12,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:12,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:58:12,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 05:58:12,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:58:12,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:12,724 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-14 05:58:12,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:58:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:12,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:12,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:12,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:12,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:12,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:13,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:13,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 05:58:13,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:58:13,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 563 [2020-10-14 05:58:13,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:13,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:13,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:58:13,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:58:13,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:58:13,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:13,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:13,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:13,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:13,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:13,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:58:13,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:58:13,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:58:13,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:13,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:13,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:13,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:58:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:13,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:13,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:13,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 05:58:13,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:13,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 05:58:13,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:13,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:13,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:58:13,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:58:13,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 05:58:13,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:13,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:58:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:13,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:13,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:13,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:58:13,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:13,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:58:13,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:13,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:13,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:58:13,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:13,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 05:58:13,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:13,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:13,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:13,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:13,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:58:13,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:13,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:58:13,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:13,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:13,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:13,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:13,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:13,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:13,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 05:58:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:13,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:13,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:13,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:13,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:13,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:14,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:14,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-14 05:58:14,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:58:14,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 623 [2020-10-14 05:58:14,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:14,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:14,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:14,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-14 05:58:14,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:14,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:14,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:14,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:14,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:14,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:14,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:58:14,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:58:14,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:58:14,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:14,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:14,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:14,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:14,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:14,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:14,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 05:58:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:14,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:14,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:14,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 05:58:14,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:14,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:58:14,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:14,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:14,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:14,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:14,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:14,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:14,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-14 05:58:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:14,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:14,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:14,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 05:58:14,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:14,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:58:14,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:14,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:14,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:14,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:14,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:14,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:14,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:14,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:14,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:14,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 05:58:14,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:14,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:14,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:14,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:14,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:14,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:14,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:14,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:14,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 05:58:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:14,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:14,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:14,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 05:58:14,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:14,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 05:58:14,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:14,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:14,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:14,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 05:58:14,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:14,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:58:14,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:14,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:14,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:14,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-14 05:58:14,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:14,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:58:14,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:14,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:14,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:14,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:14,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:14,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:14,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:14,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:14,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:14,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:14,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:14,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:14,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:14,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:14,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:14,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:14,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:14,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:14,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 05:58:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:14,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:14,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:14,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 05:58:14,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:14,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:58:14,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:14,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:14,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:14,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:14,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:14,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:14,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:58:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:58:14,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:58:14,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:58:14,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:58:14,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:58:14,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 05:58:14,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:58:14,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:58:14,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:58:14,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:58:14,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:58:14,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:58:14,282 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-14 05:58:14,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [782651142] [2020-10-14 05:58:14,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:58:14,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 05:58:14,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266629422] [2020-10-14 05:58:14,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:58:14,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:58:14,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:58:14,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:58:14,284 INFO L87 Difference]: Start difference. First operand 716 states and 1113 transitions. Second operand 9 states. [2020-10-14 05:58:16,228 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 410 [2020-10-14 05:58:17,342 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 414 [2020-10-14 05:58:19,054 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 406