/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec13_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:31:34,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:31:34,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:31:34,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:31:34,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:31:34,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:31:34,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:31:34,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:31:34,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:31:34,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:31:34,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:31:34,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:31:34,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:31:34,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:31:34,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:31:34,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:31:34,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:31:34,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:31:34,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:31:34,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:31:34,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:31:34,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:31:34,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:31:34,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:31:34,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:31:34,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:31:34,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:31:34,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:31:34,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:31:34,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:31:34,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:31:34,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:31:34,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:31:34,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:31:34,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:31:34,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:31:34,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:31:34,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:31:34,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:31:34,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:31:34,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:31:34,523 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 [2020-10-12 16:31:34,550 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:31:34,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:31:34,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:31:34,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:31:34,554 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:31:34,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:31:34,554 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:31:34,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:31:34,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:31:34,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:31:34,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:31:34,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:31:34,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:31:34,556 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:31:34,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:31:34,557 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:31:34,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:31:34,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:31:34,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:31:34,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:31:34,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:31:34,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:31:34,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:31:34,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:31:34,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:31:34,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:31:34,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:31:34,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:31:34,561 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:31:34,561 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 16:31:34,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:31:34,882 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:31:34,886 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:31:34,888 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:31:34,888 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:31:34,889 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec13_product21.cil.c [2020-10-12 16:31:34,950 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c557388e0/e8ac130b5ee34dc3a174f3edaad43aeb/FLAGdc9664922 [2020-10-12 16:31:35,532 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:31:35,532 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec13_product21.cil.c [2020-10-12 16:31:35,568 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c557388e0/e8ac130b5ee34dc3a174f3edaad43aeb/FLAGdc9664922 [2020-10-12 16:31:35,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c557388e0/e8ac130b5ee34dc3a174f3edaad43aeb [2020-10-12 16:31:35,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:31:35,731 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:31:35,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:31:35,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:31:35,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:31:35,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:31:35" (1/1) ... [2020-10-12 16:31:35,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@313ced9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:31:35, skipping insertion in model container [2020-10-12 16:31:35,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:31:35" (1/1) ... [2020-10-12 16:31:35,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:31:35,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:31:36,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:31:36,557 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:31:36,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:31:36,798 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:31:36,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:31:36 WrapperNode [2020-10-12 16:31:36,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:31:36,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:31:36,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:31:36,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:31:36,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:31:36" (1/1) ... [2020-10-12 16:31:36,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:31:36" (1/1) ... [2020-10-12 16:31:36,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:31:36" (1/1) ... [2020-10-12 16:31:36,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:31:36" (1/1) ... [2020-10-12 16:31:36,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:31:36" (1/1) ... [2020-10-12 16:31:37,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:31:36" (1/1) ... [2020-10-12 16:31:37,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:31:36" (1/1) ... [2020-10-12 16:31:37,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:31:37,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:31:37,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:31:37,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:31:37,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:31:36" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:31:37,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:31:37,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:31:37,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 16:31:37,120 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-12 16:31:37,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-12 16:31:37,121 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-12 16:31:37,121 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-12 16:31:37,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-12 16:31:37,122 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-12 16:31:37,122 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-12 16:31:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-12 16:31:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 16:31:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 16:31:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 16:31:37,123 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 16:31:37,124 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-12 16:31:37,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-12 16:31:37,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-12 16:31:37,125 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-12 16:31:37,125 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-12 16:31:37,126 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-12 16:31:37,126 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-12 16:31:37,126 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-12 16:31:37,127 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-12 16:31:37,127 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-12 16:31:37,128 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-12 16:31:37,128 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-12 16:31:37,128 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-12 16:31:37,128 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-12 16:31:37,128 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-12 16:31:37,128 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-12 16:31:37,129 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-12 16:31:37,129 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 16:31:37,129 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-12 16:31:37,129 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:31:37,130 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-12 16:31:37,130 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-12 16:31:37,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-12 16:31:37,130 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-12 16:31:37,130 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-12 16:31:37,131 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-12 16:31:37,131 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-12 16:31:37,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-12 16:31:37,131 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-12 16:31:37,131 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-12 16:31:37,131 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-12 16:31:37,132 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-12 16:31:37,132 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-12 16:31:37,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-12 16:31:37,132 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-12 16:31:37,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-12 16:31:37,133 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-12 16:31:37,133 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-12 16:31:37,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-12 16:31:37,134 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-12 16:31:37,134 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-12 16:31:37,134 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-12 16:31:37,134 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-12 16:31:37,134 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-12 16:31:37,135 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-12 16:31:37,135 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-12 16:31:37,135 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-12 16:31:37,135 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-12 16:31:37,136 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-12 16:31:37,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 16:31:37,136 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 16:31:37,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification13_spec__1 [2020-10-12 16:31:37,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification13_spec__2 [2020-10-12 16:31:37,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 16:31:37,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 16:31:37,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 16:31:37,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 16:31:37,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 16:31:37,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 16:31:37,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:31:37,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:31:37,141 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-12 16:31:37,141 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-12 16:31:37,141 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-12 16:31:37,142 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-12 16:31:37,142 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-12 16:31:37,142 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-12 16:31:37,142 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-12 16:31:37,143 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-12 16:31:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 16:31:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 16:31:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 16:31:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 16:31:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-12 16:31:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-12 16:31:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-12 16:31:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-12 16:31:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-12 16:31:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-12 16:31:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-12 16:31:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-12 16:31:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-12 16:31:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-12 16:31:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-12 16:31:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-12 16:31:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-12 16:31:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-12 16:31:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-12 16:31:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-12 16:31:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-12 16:31:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-12 16:31:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-12 16:31:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-12 16:31:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-12 16:31:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-12 16:31:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-12 16:31:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 16:31:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 16:31:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-12 16:31:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:31:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 16:31:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-12 16:31:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-12 16:31:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-12 16:31:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-12 16:31:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-12 16:31:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-12 16:31:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-12 16:31:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-12 16:31:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-12 16:31:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-12 16:31:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-12 16:31:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-12 16:31:37,158 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-12 16:31:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-12 16:31:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-12 16:31:37,159 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-12 16:31:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-12 16:31:37,160 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-12 16:31:37,161 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-12 16:31:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-12 16:31:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-12 16:31:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification13_spec__1 [2020-10-12 16:31:37,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification13_spec__2 [2020-10-12 16:31:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:31:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-12 16:31:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-12 16:31:37,163 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-12 16:31:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 16:31:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 16:31:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:31:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 16:31:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 16:31:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:31:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:31:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:31:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:31:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 16:31:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:31:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 16:31:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 16:31:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:31:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 16:31:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 16:31:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 16:31:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:31:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:31:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:31:39,278 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:31:39,278 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-12 16:31:39,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:31:39 BoogieIcfgContainer [2020-10-12 16:31:39,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:31:39,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:31:39,290 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:31:39,293 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:31:39,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:31:35" (1/3) ... [2020-10-12 16:31:39,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb35dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:31:39, skipping insertion in model container [2020-10-12 16:31:39,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:31:36" (2/3) ... [2020-10-12 16:31:39,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb35dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:31:39, skipping insertion in model container [2020-10-12 16:31:39,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:31:39" (3/3) ... [2020-10-12 16:31:39,297 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec13_product21.cil.c [2020-10-12 16:31:39,310 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:31:39,320 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:31:39,338 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:31:39,369 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:31:39,370 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:31:39,370 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:31:39,370 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:31:39,370 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:31:39,370 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:31:39,371 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:31:39,371 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:31:39,409 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states. [2020-10-12 16:31:39,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-12 16:31:39,440 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:31:39,442 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:31:39,444 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:31:39,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:31:39,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1684388016, now seen corresponding path program 1 times [2020-10-12 16:31:39,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:31:39,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [880728921] [2020-10-12 16:31:39,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:31:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:40,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:40,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:40,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:40,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:41,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:45,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:45,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-12 16:31:45,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:31:45,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-12 16:31:45,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:45,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 16:31:45,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:31:45,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-12 16:31:45,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 16:31:46,173 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-12 16:31:46,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:31:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:46,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:46,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:46,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:31:46,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:46,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-12 16:31:46,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:46,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:31:46,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:46,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:31:46,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:46,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:31:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:46,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:46,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:46,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:31:46,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:46,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:31:46,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:46,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:31:46,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:46,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:31:46,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:46,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:31:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:46,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:46,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:46,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:31:46,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:46,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:31:46,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:46,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:31:46,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:46,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:31:46,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:46,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:31:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:46,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:46,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:46,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:31:46,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:46,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:31:46,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:46,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:31:46,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:46,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:31:46,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:46,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:31:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:46,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:46,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:46,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:31:46,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:46,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:31:46,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:46,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:31:46,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:46,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:31:46,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 16:31:46,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:31:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:46,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:46,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:46,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:46,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:47,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:47,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:47,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:31:47,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:31:47,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1034 [2020-10-12 16:31:47,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:47,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:31:47,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:31:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:31:47,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:47,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:31:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:47,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:47,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:47,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:47,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:31:47,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:31:47,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 16:31:47,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:47,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:31:47,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:47,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:31:47,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:47,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:31:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:47,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:47,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:47,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:47,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:47,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:31:47,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:31:47,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-12 16:31:47,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:47,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:31:47,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:31:47,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:31:47,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:47,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:31:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:47,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:47,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:47,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:31:47,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:47,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 16:31:47,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:47,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:31:47,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:47,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:31:47,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:48,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 16:31:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:48,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:48,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:48,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:48,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:48,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:48,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:48,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:31:48,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:31:48,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 877 [2020-10-12 16:31:48,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:48,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:31:48,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:31:48,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:31:48,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:49,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:31:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:49,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:49,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:49,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:49,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:31:49,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:31:49,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:31:49,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:49,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:31:49,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:49,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:31:49,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:49,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:31:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:49,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:49,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:49,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:49,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:49,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:31:49,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:31:49,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-12 16:31:49,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:49,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:31:49,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:31:49,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:31:49,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:49,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:31:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:49,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:49,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:49,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:31:49,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:49,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:31:49,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:49,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:31:49,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:49,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:31:49,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:49,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:31:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:49,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:49,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:49,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:31:49,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:49,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:31:49,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:49,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:31:49,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:49,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:31:49,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:49,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:31:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:49,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:49,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:49,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:31:49,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:49,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:31:49,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:49,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:49,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:49,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:49,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:31:49,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 16:31:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:49,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:49,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:49,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 16:31:49,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:49,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 16:31:49,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:49,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:31:49,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:31:49,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 16:31:49,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:49,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 16:31:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:49,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:49,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:49,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:31:49,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:49,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:31:49,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:49,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:31:49,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:49,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:31:49,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:49,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:31:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:49,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:49,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:49,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:31:49,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:49,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:31:49,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:49,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:31:49,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:49,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:31:49,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:49,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:31:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:49,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:49,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:49,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 16:31:49,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:49,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 16:31:49,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:49,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:49,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-12 16:31:49,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:49,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:49,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:31:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:49,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:49,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:49,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:31:49,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:49,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:31:49,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:49,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:49,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:49,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:49,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:49,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:31:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:49,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:49,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:49,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:31:49,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:49,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:31:49,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:49,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:49,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:31:49,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:49,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:49,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 16:31:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:49,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:49,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:49,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:31:49,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:49,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:31:49,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:49,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:49,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:31:49,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:49,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:49,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 16:31:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:49,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:49,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:49,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:49,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:31:49,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:31:49,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:31:49,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:49,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:31:49,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:31:49,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:31:49,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:49,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 16:31:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:49,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:49,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:49,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:49,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:31:49,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:31:49,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:31:49,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:49,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:31:49,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:31:49,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:31:49,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:49,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 16:31:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:31:49,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:31:49,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:31:49,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:31:49,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:31:49,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:31:49,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:31:49,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:31:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:31:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:31:49,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:31:49,700 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-12 16:31:49,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [880728921] [2020-10-12 16:31:49,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:31:49,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-12 16:31:49,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803405979] [2020-10-12 16:31:49,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-12 16:31:49,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:31:49,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-12 16:31:49,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=544, Unknown=0, NotChecked=0, Total=600 [2020-10-12 16:31:49,731 INFO L87 Difference]: Start difference. First operand 788 states. Second operand 25 states. [2020-10-12 16:31:52,682 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-12 16:31:53,990 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:31:54,835 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:31:55,642 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:31:56,537 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:31:57,313 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:31:58,233 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:31:59,127 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:32:00,189 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:32:02,391 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:32:03,141 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:32:04,070 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 16:32:04,944 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:32:06,872 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:32:09,480 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 16:32:13,605 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:32:14,389 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:32:15,142 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:32:16,034 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:32:16,972 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:32:29,920 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-12 16:32:30,646 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:32:31,382 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:32:32,168 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:32:32,952 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:32:34,013 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:32:35,119 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:32:35,824 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:32:36,557 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:32:37,342 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:32:38,054 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:32:38,846 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-12 16:32:39,701 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:32:40,633 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-12 16:32:41,822 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 16:32:43,347 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 16:32:46,867 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 16:32:50,422 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:32:51,211 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:32:52,015 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-12 16:32:52,832 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-12 16:32:53,714 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-12 16:32:55,204 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:32:56,738 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:32:57,635 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 389 [2020-10-12 16:32:58,563 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:32:59,496 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2020-10-12 16:33:00,539 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2020-10-12 16:33:30,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:33:30,901 INFO L93 Difference]: Finished difference Result 3292 states and 6020 transitions. [2020-10-12 16:33:30,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2020-10-12 16:33:30,903 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 152 [2020-10-12 16:33:30,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:33:30,956 INFO L225 Difference]: With dead ends: 3292 [2020-10-12 16:33:30,956 INFO L226 Difference]: Without dead ends: 2486 [2020-10-12 16:33:30,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 54 SyntacticMatches, 3 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4235 ImplicationChecksByTransitivity, 35.8s TimeCoverageRelationStatistics Valid=1655, Invalid=11001, Unknown=0, NotChecked=0, Total=12656 [2020-10-12 16:33:31,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2486 states. [2020-10-12 16:33:31,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2486 to 1744. [2020-10-12 16:33:31,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1744 states. [2020-10-12 16:33:31,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1744 states and 2832 transitions. [2020-10-12 16:33:31,592 INFO L78 Accepts]: Start accepts. Automaton has 1744 states and 2832 transitions. Word has length 152 [2020-10-12 16:33:31,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:33:31,593 INFO L479 AbstractCegarLoop]: Abstraction has 1744 states and 2832 transitions. [2020-10-12 16:33:31,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-12 16:33:31,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2832 transitions. [2020-10-12 16:33:31,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-12 16:33:31,603 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:33:31,604 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:33:31,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:33:31,604 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:33:31,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:33:31,605 INFO L82 PathProgramCache]: Analyzing trace with hash -229280052, now seen corresponding path program 1 times [2020-10-12 16:33:31,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:33:31,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [560440052] [2020-10-12 16:33:31,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:33:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:31,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:31,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:32,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:32,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:32,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:34,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:35,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:36,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:36,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-12 16:33:36,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 16:33:36,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-12 16:33:36,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:36,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 16:33:36,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:33:36,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-12 16:33:36,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:37,891 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 376 [2020-10-12 16:33:37,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:33:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:37,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:38,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:38,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:33:38,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:38,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-12 16:33:38,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:38,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:33:38,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:38,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:33:38,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:33:38,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:33:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:38,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:38,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:38,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:33:38,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:38,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:33:38,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:33:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:38,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:33:38,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:33:38,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:33:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:38,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:38,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:38,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:33:38,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:38,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:33:38,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:33:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:33:38,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:33:38,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:33:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:38,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:38,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:38,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:33:38,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:38,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:33:38,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:38,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:33:38,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:38,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:33:38,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:33:38,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:33:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:38,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:38,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:38,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:33:38,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:38,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:33:38,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:38,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:33:38,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:38,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:33:38,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:33:38,323 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-12 16:33:38,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:33:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:38,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:38,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:38,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:38,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:38,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:38,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:33:38,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:33:38,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 360 [2020-10-12 16:33:38,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:33:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:33:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:33:38,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:38,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:33:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:38,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:38,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:38,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:33:38,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:38,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:33:38,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:33:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:33:38,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:38,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:33:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:38,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:38,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:38,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:38,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:38,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:33:38,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:33:38,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-12 16:33:38,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:38,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:33:38,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:33:38,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:33:38,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:38,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:33:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:38,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:38,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:38,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:33:38,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:38,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 16:33:38,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:38,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:33:38,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:38,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:33:38,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:39,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 16:33:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:39,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:39,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:39,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:39,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:39,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:39,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:39,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 16:33:39,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:33:39,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 669 [2020-10-12 16:33:39,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:39,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:33:39,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:33:39,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 16:33:39,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:39,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:33:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:39,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:39,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:39,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:39,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:33:39,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:33:39,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:33:39,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:39,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:33:39,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:33:39,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:33:39,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:39,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 16:33:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:39,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:39,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:39,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:39,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:39,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 16:33:39,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:33:39,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-12 16:33:39,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:39,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:33:39,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:33:39,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 16:33:39,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:39,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 16:33:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:39,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:39,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:39,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:33:39,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:39,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:33:39,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:39,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:33:39,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:39,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:33:39,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:40,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 16:33:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:40,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:40,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:40,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:33:40,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:40,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:33:40,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:40,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:33:40,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:40,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:33:40,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:40,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:33:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:40,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:40,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:40,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:33:40,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:40,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:33:40,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:40,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:40,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:40,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:40,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:40,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 16:33:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:40,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:40,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:40,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 16:33:40,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:40,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 16:33:40,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:40,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:33:40,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:40,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 16:33:40,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:40,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 16:33:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:40,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:40,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:40,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:33:40,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:40,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:33:40,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:40,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:40,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:40,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:40,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:40,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:33:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:40,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:40,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:40,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:33:40,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:40,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:33:40,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:40,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:40,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:40,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:40,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:40,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 16:33:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:40,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:40,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:40,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 16:33:40,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:40,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 16:33:40,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:40,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:33:40,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:33:40,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 16:33:40,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:40,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:33:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:40,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:40,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:40,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:33:40,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:40,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:33:40,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:40,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:33:40,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:40,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 16:33:40,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:40,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:33:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:40,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:40,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:40,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:33:40,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:40,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:33:40,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:40,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:33:40,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:33:40,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:33:40,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:40,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 16:33:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:40,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:40,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:40,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:33:40,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:40,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:33:40,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:40,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:40,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:33:40,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:40,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:40,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 16:33:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:40,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:40,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:40,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 16:33:40,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:40,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:33:40,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:40,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:40,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:33:40,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:40,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:40,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 16:33:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:40,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:40,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:40,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 16:33:40,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:40,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:33:40,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:40,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:40,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 16:33:40,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:40,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:40,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 16:33:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:33:40,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:33:40,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:33:40,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:33:40,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:33:40,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:33:40,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:33:40,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:33:40,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:33:40,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:33:40,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:33:40,407 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-12 16:33:40,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [560440052] [2020-10-12 16:33:40,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:33:40,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 16:33:40,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729509701] [2020-10-12 16:33:40,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 16:33:40,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:33:40,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 16:33:40,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=456, Unknown=0, NotChecked=0, Total=506 [2020-10-12 16:33:40,414 INFO L87 Difference]: Start difference. First operand 1744 states and 2832 transitions. Second operand 23 states. [2020-10-12 16:33:42,692 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2020-10-12 16:33:43,793 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-12 16:33:44,579 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:33:45,445 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:33:46,363 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-12 16:33:47,200 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-12 16:33:48,249 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-12 16:33:49,031 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:33:49,916 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:33:50,670 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:33:51,567 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:33:52,435 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:33:53,459 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:33:54,291 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-12 16:33:56,802 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:33:57,575 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:33:58,520 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-12 16:34:00,374 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-12 16:34:07,659 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-12 16:34:08,634 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:34:19,683 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-12 16:34:22,333 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-12 16:34:23,246 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:34:23,729 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-12 16:34:25,092 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:34:25,975 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:34:26,882 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:34:27,775 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-12 16:34:28,740 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2020-10-12 16:34:29,614 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2020-10-12 16:34:30,683 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 385 [2020-10-12 16:34:31,521 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2020-10-12 16:34:35,669 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-12 16:34:56,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:34:56,642 INFO L93 Difference]: Finished difference Result 5477 states and 10066 transitions. [2020-10-12 16:34:56,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2020-10-12 16:34:56,645 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 159 [2020-10-12 16:34:56,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:34:56,679 INFO L225 Difference]: With dead ends: 5477 [2020-10-12 16:34:56,679 INFO L226 Difference]: Without dead ends: 3761 [2020-10-12 16:34:56,698 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2559 ImplicationChecksByTransitivity, 25.8s TimeCoverageRelationStatistics Valid=1037, Invalid=7153, Unknown=0, NotChecked=0, Total=8190 [2020-10-12 16:34:56,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3761 states. [2020-10-12 16:34:57,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3761 to 2891. [2020-10-12 16:34:57,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2891 states. [2020-10-12 16:34:57,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 2891 states and 4685 transitions. [2020-10-12 16:34:57,407 INFO L78 Accepts]: Start accepts. Automaton has 2891 states and 4685 transitions. Word has length 159 [2020-10-12 16:34:57,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:34:57,407 INFO L479 AbstractCegarLoop]: Abstraction has 2891 states and 4685 transitions. [2020-10-12 16:34:57,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 16:34:57,408 INFO L276 IsEmpty]: Start isEmpty. Operand 2891 states and 4685 transitions. [2020-10-12 16:34:57,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-12 16:34:57,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:34:57,415 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:34:57,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 16:34:57,415 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:34:57,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:34:57,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1967466225, now seen corresponding path program 1 times [2020-10-12 16:34:57,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:34:57,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [319024545] [2020-10-12 16:34:57,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:34:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:34:57,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:57,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:57,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:57,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:58,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:58,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:34:58,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:00,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:02,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:02,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-12 16:35:02,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 16:35:02,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-12 16:35:02,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:02,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:35:02,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-12 16:35:02,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:35:02,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:03,289 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-12 16:35:03,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:35:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:03,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:03,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:03,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:35:03,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:03,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 16:35:03,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:03,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:03,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:03,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:03,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:03,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:35:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:03,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:03,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:03,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:35:03,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:03,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:35:03,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:03,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:03,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:03,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:03,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:35:03,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:35:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:03,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:03,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:03,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:35:03,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:03,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:35:03,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:03,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:03,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:03,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:03,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:03,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:35:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:03,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:03,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:03,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:35:03,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:03,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:35:03,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:03,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:03,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:03,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:03,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:03,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:35:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:03,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:03,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:03,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:35:03,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:03,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:35:03,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:03,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:03,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:03,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:03,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:03,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:35:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:03,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:03,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:03,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:03,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:03,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:03,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:04,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:04,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 16:35:04,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:35:04,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 557 [2020-10-12 16:35:04,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:04,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:35:04,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 16:35:04,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:35:04,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:04,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:35:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:04,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:04,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:04,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:04,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:04,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:35:04,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:35:04,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 16:35:04,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:04,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:35:04,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:04,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:35:04,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:04,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:35:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:04,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:04,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:04,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:04,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:04,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:35:04,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:35:04,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-12 16:35:04,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:04,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:35:04,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:35:04,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:35:04,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:04,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:35:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:04,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:04,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:04,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:35:04,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:04,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:35:04,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:04,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:35:04,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:04,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:35:04,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:04,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 16:35:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:04,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:04,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:04,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:04,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:04,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:04,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:35:04,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 16:35:04,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 429 [2020-10-12 16:35:04,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:04,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:35:04,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:35:04,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 16:35:04,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:04,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:35:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:04,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:04,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:04,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:04,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:35:04,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:35:04,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:35:04,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:04,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 16:35:04,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:04,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:35:04,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:04,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 16:35:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:04,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:04,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:04,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:04,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:04,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:35:04,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:35:04,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-12 16:35:04,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:04,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:35:04,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:35:04,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:35:04,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:04,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 16:35:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:04,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:04,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:04,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:35:04,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:04,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:35:04,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:04,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:35:04,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:04,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:35:04,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:05,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 16:35:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:05,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:05,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:05,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:35:05,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:05,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:35:05,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:05,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:05,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:35:05,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:05,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:05,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:35:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:05,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:05,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:05,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:35:05,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:05,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:35:05,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:05,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:05,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:05,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:05,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:05,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 16:35:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:05,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:05,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:05,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 16:35:05,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:05,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:35:05,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:05,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:05,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 16:35:05,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:05,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:05,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 16:35:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:05,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:05,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:05,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 16:35:05,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:05,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:35:05,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:05,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:05,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:05,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:05,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:05,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:35:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:05,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:05,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:05,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:35:05,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:05,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:35:05,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:05,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:05,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:05,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:05,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:05,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 16:35:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:05,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:05,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:05,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 16:35:05,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:05,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 16:35:05,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:05,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:05,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-12 16:35:05,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:05,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:05,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:35:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:05,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:05,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:05,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:35:05,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:05,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:35:05,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:05,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:05,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:05,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:05,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:05,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:35:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:05,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:05,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:05,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:35:05,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:05,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:35:05,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:05,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:05,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:35:05,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:05,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:05,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 16:35:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:05,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:05,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:05,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 16:35:05,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:05,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:35:05,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:05,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:05,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 16:35:05,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:05,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:05,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:35:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:05,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:05,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:05,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 16:35:05,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:05,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:35:05,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:05,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:05,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:35:05,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:05,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:05,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 16:35:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:05,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:05,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:05,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 16:35:05,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:05,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:35:05,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:05,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:05,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 16:35:05,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:05,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:05,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 16:35:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:35:05,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:35:05,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:35:05,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:35:05,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:35:05,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:35:05,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:35:05,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:35:05,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:35:05,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:35:05,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:35:05,236 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 16:35:05,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [319024545] [2020-10-12 16:35:05,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:35:05,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 16:35:05,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244296243] [2020-10-12 16:35:05,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 16:35:05,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:35:05,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 16:35:05,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2020-10-12 16:35:05,239 INFO L87 Difference]: Start difference. First operand 2891 states and 4685 transitions. Second operand 20 states. [2020-10-12 16:35:07,328 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:35:08,122 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:35:08,918 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-12 16:35:09,697 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2020-10-12 16:35:10,494 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:35:11,247 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-12 16:35:12,060 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:35:12,888 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-12 16:35:13,795 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:35:15,694 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:35:16,416 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-12 16:35:18,580 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 115