/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec9_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:39:32,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:39:32,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:39:32,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:39:32,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:39:32,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:39:32,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:39:32,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:39:32,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:39:32,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:39:32,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:39:32,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:39:32,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:39:32,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:39:32,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:39:32,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:39:32,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:39:32,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:39:32,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:39:32,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:39:32,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:39:32,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:39:32,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:39:32,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:39:32,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:39:32,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:39:32,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:39:32,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:39:32,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:39:32,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:39:32,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:39:32,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:39:32,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:39:32,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:39:32,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:39:32,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:39:32,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:39:32,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:39:32,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:39:32,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:39:32,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:39:32,113 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 11:39:32,136 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:39:32,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:39:32,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:39:32,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:39:32,138 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:39:32,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:39:32,138 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:39:32,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:39:32,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:39:32,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:39:32,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:39:32,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:39:32,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:39:32,140 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:39:32,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:39:32,140 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:39:32,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:39:32,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:39:32,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:39:32,141 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:39:32,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:39:32,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:39:32,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:39:32,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:39:32,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:39:32,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:39:32,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:39:32,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:39:32,143 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:39:32,143 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 11:39:32,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:39:32,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:39:32,510 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:39:32,512 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:39:32,513 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:39:32,514 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec9_product26.cil.c [2020-10-13 11:39:32,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c97c49ac/0bcd8e5f875842b9b9803a90a0250632/FLAG5bbd1c57e [2020-10-13 11:39:33,233 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:39:33,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec9_product26.cil.c [2020-10-13 11:39:33,256 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c97c49ac/0bcd8e5f875842b9b9803a90a0250632/FLAG5bbd1c57e [2020-10-13 11:39:33,368 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c97c49ac/0bcd8e5f875842b9b9803a90a0250632 [2020-10-13 11:39:33,378 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:39:33,380 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:39:33,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:39:33,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:39:33,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:39:33,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:39:33" (1/1) ... [2020-10-13 11:39:33,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c21aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:33, skipping insertion in model container [2020-10-13 11:39:33,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:39:33" (1/1) ... [2020-10-13 11:39:33,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:39:33,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:39:34,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:39:34,232 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:39:34,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:39:34,431 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:39:34,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:34 WrapperNode [2020-10-13 11:39:34,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:39:34,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:39:34,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:39:34,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:39:34,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:34" (1/1) ... [2020-10-13 11:39:34,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:34" (1/1) ... [2020-10-13 11:39:34,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:34" (1/1) ... [2020-10-13 11:39:34,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:34" (1/1) ... [2020-10-13 11:39:34,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:34" (1/1) ... [2020-10-13 11:39:34,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:34" (1/1) ... [2020-10-13 11:39:34,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:34" (1/1) ... [2020-10-13 11:39:34,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:39:34,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:39:34,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:39:34,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:39:34,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:34" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:39:34,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:39:34,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:39:34,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:39:34,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:39:34,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:39:34,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:39:34,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:39:34,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:39:34,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:39:34,776 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:39:34,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__1 [2020-10-13 11:39:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__2 [2020-10-13 11:39:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__3 [2020-10-13 11:39:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification9_spec__4 [2020-10-13 11:39:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:39:34,778 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:39:34,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:39:34,778 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-13 11:39:34,778 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:39:34,779 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-13 11:39:34,779 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-13 11:39:34,779 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:39:34,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:39:34,779 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:39:34,780 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:39:34,780 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:39:34,780 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:39:34,780 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:39:34,780 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:39:34,781 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:39:34,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:39:34,781 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:39:34,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:39:34,781 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:39:34,782 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:39:34,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:39:34,782 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:39:34,782 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__empty [2020-10-13 11:39:34,782 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:39:34,782 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__empty [2020-10-13 11:39:34,783 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:39:34,783 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:39:34,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:39:34,783 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:39:34,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:39:34,784 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:39:34,784 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:39:34,784 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:39:34,784 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:39:34,784 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:39:34,785 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:39:34,785 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:39:34,785 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:39:34,785 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:39:34,785 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:39:34,785 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:39:34,786 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:39:34,786 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:39:34,786 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:39:34,786 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:39:34,786 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:39:34,787 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:39:34,787 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:39:34,787 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:39:34,787 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:39:34,787 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:39:34,788 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:39:34,788 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:39:34,788 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:39:34,788 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:39:34,788 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:39:34,789 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:39:34,789 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:39:34,789 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:39:34,789 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:39:34,789 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:39:34,789 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:39:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:39:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:39:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:39:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:39:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:39:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:39:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:39:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:39:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:39:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:39:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:39:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:39:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:39:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:39:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:39:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:39:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:39:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:39:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:39:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:39:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:39:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:39:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:39:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:39:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:39:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:39:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__1 [2020-10-13 11:39:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__2 [2020-10-13 11:39:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__3 [2020-10-13 11:39:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification9_spec__4 [2020-10-13 11:39:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:39:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:39:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:39:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:39:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:39:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:39:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:39:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:39:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:39:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:39:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:39:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:39:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:39:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:39:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:39:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:39:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:39:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:39:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-13 11:39:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-13 11:39:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-13 11:39:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:39:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:39:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:39:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:39:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:39:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:39:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:39:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:39:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:39:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:39:34,801 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__empty [2020-10-13 11:39:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__empty [2020-10-13 11:39:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:39:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:39:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:39:34,802 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:39:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:39:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:39:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:39:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:39:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:39:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:39:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:39:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:39:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:39:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:39:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:39:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:39:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:39:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:39:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:39:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:39:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:39:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:39:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:39:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:39:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:39:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:39:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:39:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:39:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:39:37,134 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:39:37,135 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:39:37,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:39:37 BoogieIcfgContainer [2020-10-13 11:39:37,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:39:37,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:39:37,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:39:37,158 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:39:37,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:39:33" (1/3) ... [2020-10-13 11:39:37,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa46dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:39:37, skipping insertion in model container [2020-10-13 11:39:37,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:39:34" (2/3) ... [2020-10-13 11:39:37,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa46dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:39:37, skipping insertion in model container [2020-10-13 11:39:37,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:39:37" (3/3) ... [2020-10-13 11:39:37,163 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec9_product26.cil.c [2020-10-13 11:39:37,174 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:39:37,186 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:39:37,204 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:39:37,238 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:39:37,239 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:39:37,239 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:39:37,239 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:39:37,239 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:39:37,239 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:39:37,239 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:39:37,240 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:39:37,288 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states. [2020-10-13 11:39:37,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-13 11:39:37,321 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:39:37,322 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:39:37,322 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:39:37,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:39:37,330 INFO L82 PathProgramCache]: Analyzing trace with hash 750707123, now seen corresponding path program 1 times [2020-10-13 11:39:37,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:39:37,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [584336525] [2020-10-13 11:39:37,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:39:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:37,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:38,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:38,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:42,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:42,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-13 11:39:42,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:39:42,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5060 [2020-10-13 11:39:42,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:42,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:39:42,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:39:42,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:39:42,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 11:39:43,870 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:39:43,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:39:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:43,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:43,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:43,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:43,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:43,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-13 11:39:43,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:43,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:43,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:43,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:43,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:43,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:39:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:43,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:43,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:43,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:39:43,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:43,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:39:43,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:43,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:43,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:43,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:43,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:43,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:39:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:43,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:43,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:43,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:39:43,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:43,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:39:43,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:43,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:43,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:43,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:43,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:43,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:39:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:44,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:44,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:44,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:44,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:44,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:39:44,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:44,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:44,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:44,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:44,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:44,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:39:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:44,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:44,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:44,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:39:44,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:44,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:39:44,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:44,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:44,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:44,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:44,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:44,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:39:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:44,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:44,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:44,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:44,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:44,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:39:44,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:44,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:44,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:44,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:44,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:44,255 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:39:44,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:39:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:44,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:44,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:44,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:44,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:45,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:47,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:49,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:49,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 11:39:49,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:39:49,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4845 [2020-10-13 11:39:49,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:49,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:49,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-13 11:39:49,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:49,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:39:49,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:39:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:49,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:49,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:49,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:49,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:49,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:49,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:49,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:39:49,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:39:49,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 552 [2020-10-13 11:39:49,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:49,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:49,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:49,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:49,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:39:49,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:39:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:49,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:49,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:49,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:49,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:39:49,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:39:49,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:39:49,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:49,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:49,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:49,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:49,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:49,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:39:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:49,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:49,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:49,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:49,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:39:49,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:39:49,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 11:39:49,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:49,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:49,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:49,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:49,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:49,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:39:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:49,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:49,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:49,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:39:49,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:49,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:39:49,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:49,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:49,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:49,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:49,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:49,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:39:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:49,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:49,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:50,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:50,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-13 11:39:50,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:39:50,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-13 11:39:50,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:50,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:50,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 11:39:50,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:50,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:50,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:39:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:50,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:50,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:50,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:50,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 11:39:50,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:39:50,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-13 11:39:50,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:50,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:50,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:39:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:50,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:50,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:50,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:50,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:50,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:39:50,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:50,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:50,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:50,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:50,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:50,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:39:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:50,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:50,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:50,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:50,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:39:50,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:39:50,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 11:39:50,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:50,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:50,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:50,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:50,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:50,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:39:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:50,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:50,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:50,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:39:50,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:50,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:39:50,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:50,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:50,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:50,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:50,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:50,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:39:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:39:50,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:39:50,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:39:50,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:39:50,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:39:50,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:39:50,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:39:50,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:39:50,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:39:50,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:39:50,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:39:50,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:39:50,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [584336525] [2020-10-13 11:39:50,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:39:50,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 11:39:50,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8290174] [2020-10-13 11:39:50,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 11:39:50,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:39:50,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 11:39:50,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-13 11:39:50,288 INFO L87 Difference]: Start difference. First operand 765 states. Second operand 7 states. [2020-10-13 11:39:51,626 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:40:03,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:40:03,802 INFO L93 Difference]: Finished difference Result 1086 states and 1945 transitions. [2020-10-13 11:40:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 11:40:03,804 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2020-10-13 11:40:03,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:40:03,840 INFO L225 Difference]: With dead ends: 1086 [2020-10-13 11:40:03,840 INFO L226 Difference]: Without dead ends: 1036 [2020-10-13 11:40:03,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:40:03,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2020-10-13 11:40:04,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 598. [2020-10-13 11:40:04,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-10-13 11:40:04,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 959 transitions. [2020-10-13 11:40:04,142 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 959 transitions. Word has length 87 [2020-10-13 11:40:04,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:40:04,143 INFO L479 AbstractCegarLoop]: Abstraction has 598 states and 959 transitions. [2020-10-13 11:40:04,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 11:40:04,143 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 959 transitions. [2020-10-13 11:40:04,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-13 11:40:04,149 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:40:04,149 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:40:04,150 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:40:04,150 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:40:04,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:40:04,150 INFO L82 PathProgramCache]: Analyzing trace with hash 152443526, now seen corresponding path program 1 times [2020-10-13 11:40:04,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:40:04,151 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1794240227] [2020-10-13 11:40:04,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:40:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:04,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:04,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:04,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:04,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:07,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:08,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:09,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:09,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 11:40:09,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:40:09,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5071 [2020-10-13 11:40:09,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:09,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:09,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:40:09,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:40:09,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:10,062 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:40:10,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:40:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:10,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:10,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:10,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:10,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:10,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 11:40:10,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:10,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:10,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:10,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:10,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:10,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:40:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:10,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:10,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:10,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:10,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:10,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:10,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:10,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:10,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:10,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:10,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:10,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:40:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:10,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:10,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:10,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:10,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:10,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:10,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:10,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:10,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:10,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:10,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:10,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:40:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:10,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:10,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:10,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:10,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:10,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:10,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:10,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:10,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:10,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:10,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:10,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:40:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:10,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:10,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:10,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:10,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:10,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:10,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:10,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:10,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:10,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:10,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:10,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:40:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:10,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:10,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:10,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:10,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:10,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:40:10,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:10,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:10,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:10,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:10,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:40:10,390 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:40:10,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:40:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:10,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:10,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:10,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:10,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:10,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:15,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:15,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-13 11:40:15,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:40:15,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 11:40:15,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:15,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:15,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:40:15,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:40:15,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:15,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:40:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:15,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:15,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:15,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:15,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:15,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:15,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:40:15,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:40:15,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 382 [2020-10-13 11:40:15,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:15,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:15,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:40:15,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:40:15,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:15,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:15,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:15,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:15,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:15,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:15,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:40:15,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:15,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:15,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:40:15,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:40:15,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:15,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:40:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:15,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:15,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:16,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:40:16,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:40:16,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 11:40:16,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:16,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:16,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:40:16,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:16,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:16,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:40:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:16,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:16,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:16,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:16,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:16,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:16,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:16,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:16,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:16,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:16,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:40:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:16,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:16,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 11:40:16,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:40:16,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-13 11:40:16,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:16,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:16,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-13 11:40:16,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:16,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:16,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:16,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:16,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 11:40:16,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:40:16,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-13 11:40:16,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:16,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:16,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:16,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:16,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:16,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:16,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:16,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:16,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:16,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:16,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:16,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:16,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:16,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:16,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:16,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:40:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:16,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:16,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:40:16,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:40:16,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:40:16,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:16,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:16,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:16,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:16,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:16,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:16,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:16,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:16,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:16,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:16,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:16,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:16,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:16,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:16,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:16,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:40:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:16,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:16,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:16,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:16,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:16,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:16,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:16,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:16,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:16,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:16,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:16,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:40:16,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1794240227] [2020-10-13 11:40:16,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:40:16,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:40:16,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679742961] [2020-10-13 11:40:16,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:40:16,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:40:16,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:40:16,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:40:16,341 INFO L87 Difference]: Start difference. First operand 598 states and 959 transitions. Second operand 9 states. [2020-10-13 11:40:17,786 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:40:18,527 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:40:19,703 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:40:36,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:40:36,502 INFO L93 Difference]: Finished difference Result 1597 states and 2777 transitions. [2020-10-13 11:40:36,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 11:40:36,503 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-10-13 11:40:36,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:40:36,514 INFO L225 Difference]: With dead ends: 1597 [2020-10-13 11:40:36,515 INFO L226 Difference]: Without dead ends: 1036 [2020-10-13 11:40:36,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:40:36,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2020-10-13 11:40:36,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 598. [2020-10-13 11:40:36,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-10-13 11:40:36,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 958 transitions. [2020-10-13 11:40:36,677 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 958 transitions. Word has length 89 [2020-10-13 11:40:36,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:40:36,677 INFO L479 AbstractCegarLoop]: Abstraction has 598 states and 958 transitions. [2020-10-13 11:40:36,678 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:40:36,678 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 958 transitions. [2020-10-13 11:40:36,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-13 11:40:36,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:40:36,680 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:40:36,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:40:36,681 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:40:36,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:40:36,681 INFO L82 PathProgramCache]: Analyzing trace with hash 773508994, now seen corresponding path program 1 times [2020-10-13 11:40:36,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:40:36,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [471069407] [2020-10-13 11:40:36,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:40:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:36,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:36,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:36,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:36,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:40,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:41,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:41,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-13 11:40:41,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:40:41,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-10-13 11:40:41,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:41,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:41,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:40:41,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:40:41,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:42,785 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:40:42,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:40:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:42,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:42,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:42,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:42,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:42,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 11:40:42,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:42,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:42,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:42,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:42,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:42,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:40:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:42,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:42,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:42,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:42,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:42,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:42,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:42,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:42,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:42,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:42,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:42,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:40:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:42,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:42,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:42,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:42,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:42,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:42,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:42,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:42,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:42,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:42,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:42,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:40:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:42,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:42,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:42,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:42,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:42,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:42,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:42,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:42,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:40:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:42,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:42,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:42,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:40:42,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:42,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:42,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:42,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:42,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:42,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:42,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:42,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:40:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:42,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:42,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:42,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:42,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:42,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:40:42,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:42,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:42,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:42,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:42,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:43,091 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:40:43,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:40:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:43,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:43,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:43,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:43,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:43,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:47,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-13 11:40:47,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:40:47,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3977 [2020-10-13 11:40:47,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:47,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:40:47,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-13 11:40:47,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:40:47,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:47,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:40:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:47,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:47,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:40:47,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:40:47,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 396 [2020-10-13 11:40:47,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:47,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:47,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:47,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:47,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:47,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:47,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:47,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:40:47,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:40:47,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:40:47,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:47,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:47,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:47,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:47,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:47,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:40:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:47,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:47,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:40:47,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:40:47,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:40:47,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:47,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:47,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:47,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:47,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:47,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:40:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:47,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:47,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:47,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:47,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:47,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:47,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:47,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:47,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:47,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:47,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:40:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:47,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:47,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 11:40:47,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:47,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-13 11:40:47,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:47,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:40:47,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-13 11:40:47,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:40:47,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:47,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:47,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:47,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 11:40:47,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:47,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 11:40:47,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:47,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:40:47,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-13 11:40:47,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:40:47,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:47,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:47,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:47,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:47,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:47,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:40:47,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:47,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:47,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:47,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:40:47,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:40:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:47,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:47,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:40:47,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:47,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:40:47,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:47,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:40:47,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:40:47,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:40:47,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:47,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:40:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:47,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:47,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:40:47,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:47,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:40:47,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:47,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:40:47,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:47,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:40:47,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:47,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:40:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:40:47,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:40:47,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:40:47,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:40:47,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:40:47,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:40:47,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:40:47,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:40:47,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:40:47,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:40:47,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:40:48,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:40:48,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [471069407] [2020-10-13 11:40:48,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:40:48,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:40:48,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993438967] [2020-10-13 11:40:48,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:40:48,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:40:48,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:40:48,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:40:48,088 INFO L87 Difference]: Start difference. First operand 598 states and 958 transitions. Second operand 10 states. [2020-10-13 11:40:50,468 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:40:51,470 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:40:52,303 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:40:53,078 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:41:14,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:41:14,016 INFO L93 Difference]: Finished difference Result 1547 states and 2707 transitions. [2020-10-13 11:41:14,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 11:41:14,023 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2020-10-13 11:41:14,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:41:14,033 INFO L225 Difference]: With dead ends: 1547 [2020-10-13 11:41:14,033 INFO L226 Difference]: Without dead ends: 1042 [2020-10-13 11:41:14,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-10-13 11:41:14,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2020-10-13 11:41:14,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 602. [2020-10-13 11:41:14,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2020-10-13 11:41:14,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 963 transitions. [2020-10-13 11:41:14,188 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 963 transitions. Word has length 90 [2020-10-13 11:41:14,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:41:14,188 INFO L479 AbstractCegarLoop]: Abstraction has 602 states and 963 transitions. [2020-10-13 11:41:14,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:41:14,189 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 963 transitions. [2020-10-13 11:41:14,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-13 11:41:14,192 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:41:14,192 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:41:14,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:41:14,193 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:41:14,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:41:14,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1072376853, now seen corresponding path program 1 times [2020-10-13 11:41:14,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:41:14,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1460809774] [2020-10-13 11:41:14,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:41:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:14,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:14,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:14,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:14,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:19,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:19,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:19,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-13 11:41:19,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:41:19,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 11:41:19,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:19,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:41:19,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 11:41:19,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:41:19,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:20,047 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:41:20,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:41:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:20,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:20,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:20,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:20,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:20,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 11:41:20,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:20,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:20,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:20,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:20,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:20,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:41:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:20,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:20,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:20,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:20,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:20,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:20,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:20,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:20,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:20,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:20,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:20,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:41:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:20,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:20,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:20,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:20,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:20,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:20,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:20,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:20,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:41:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:20,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:20,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:20,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:20,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:20,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:20,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:20,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:20,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:20,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:20,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:20,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:41:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:20,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:20,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:20,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:20,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:20,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:20,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:20,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:20,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:20,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:20,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:20,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:41:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:20,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:20,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:20,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:20,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:20,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:20,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:20,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:20,384 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:41:20,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:41:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:20,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:20,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:20,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:20,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:21,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:21,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:41:21,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:41:21,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 887 [2020-10-13 11:41:21,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:21,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:41:21,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:41:21,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:41:21,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:21,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:41:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:21,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:21,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:21,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:21,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:21,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:21,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:41:21,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:41:21,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-10-13 11:41:21,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:21,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:41:21,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 11:41:21,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:41:21,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:21,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:21,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:21,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:21,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:21,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:41:21,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:41:21,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:41:21,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:21,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:21,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:21,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:21,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:21,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:41:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:21,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:21,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:21,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:41:21,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:21,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 11:41:21,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:21,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:41:21,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:41:21,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:41:21,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:21,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:41:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:21,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:21,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:21,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:41:21,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:21,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:41:21,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:21,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:41:21,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:21,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:41:21,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:21,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:41:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:21,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:21,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:21,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 11:41:21,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:21,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 11:41:21,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:21,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:21,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-13 11:41:21,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:21,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:21,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:21,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:21,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:21,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-13 11:41:21,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:21,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:41:21,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:21,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:21,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:21,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:21,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:21,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:21,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:21,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:21,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:21,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:21,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:21,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:21,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:21,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:21,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:21,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:21,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:41:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:21,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:21,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:21,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 11:41:21,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:21,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:41:21,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:21,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:21,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:21,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:21,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:21,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:21,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:21,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:21,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:21,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:21,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:21,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:21,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:21,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:21,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:21,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:41:21,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:41:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:21,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:21,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:21,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:41:21,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:21,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:21,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:21,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:21,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:21,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:21,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:41:21,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:41:21,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1460809774] [2020-10-13 11:41:21,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:41:21,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:41:21,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093561645] [2020-10-13 11:41:21,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:41:21,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:41:21,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:41:21,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:41:21,934 INFO L87 Difference]: Start difference. First operand 602 states and 963 transitions. Second operand 9 states. [2020-10-13 11:41:23,428 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:41:24,426 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:41:40,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:41:40,060 INFO L93 Difference]: Finished difference Result 1559 states and 2702 transitions. [2020-10-13 11:41:40,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 11:41:40,061 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2020-10-13 11:41:40,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:41:40,071 INFO L225 Difference]: With dead ends: 1559 [2020-10-13 11:41:40,071 INFO L226 Difference]: Without dead ends: 1040 [2020-10-13 11:41:40,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-13 11:41:40,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2020-10-13 11:41:40,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 602. [2020-10-13 11:41:40,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2020-10-13 11:41:40,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 958 transitions. [2020-10-13 11:41:40,238 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 958 transitions. Word has length 95 [2020-10-13 11:41:40,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:41:40,238 INFO L479 AbstractCegarLoop]: Abstraction has 602 states and 958 transitions. [2020-10-13 11:41:40,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:41:40,238 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 958 transitions. [2020-10-13 11:41:40,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-13 11:41:40,241 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:41:40,241 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:41:40,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:41:40,241 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:41:40,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:41:40,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1603512817, now seen corresponding path program 1 times [2020-10-13 11:41:40,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:41:40,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427528684] [2020-10-13 11:41:40,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:41:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:40,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:40,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:40,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:40,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:42,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:45,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:45,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-13 11:41:45,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:41:45,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-13 11:41:45,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:45,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:41:45,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:41:45,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:41:45,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:46,139 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:41:46,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:41:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:46,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:46,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:46,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:46,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:46,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 11:41:46,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:46,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:46,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:46,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:46,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:46,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:41:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:46,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:46,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:46,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:46,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:46,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:46,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:46,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:46,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:46,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:46,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:46,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:41:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:46,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:46,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:46,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:46,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:46,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:46,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:46,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:46,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:46,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:46,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:46,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:41:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:46,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:46,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:46,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:46,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:46,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:46,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:46,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:46,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:46,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:46,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:46,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:41:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:46,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:46,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:46,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:41:46,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:46,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:46,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:46,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:46,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:46,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:46,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:46,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:41:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:46,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:46,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:46,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:46,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:46,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:46,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:46,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:46,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:46,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:46,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:46,427 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:41:46,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:41:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:46,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:46,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:46,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:46,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:47,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:47,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 11:41:47,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:41:47,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1056 [2020-10-13 11:41:47,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:47,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:41:47,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:41:47,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:41:47,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:47,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:41:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:47,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:47,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:47,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:47,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:47,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:47,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:41:47,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:41:47,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-10-13 11:41:47,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:47,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:41:47,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:41:47,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:41:47,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:47,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:47,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:47,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:47,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:41:47,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:47,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:41:47,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:47,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:41:47,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:41:47,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:41:47,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:47,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:41:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:47,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:47,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:47,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:47,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:41:47,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:41:47,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:41:47,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:47,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:47,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 11:41:47,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:47,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:47,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:41:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:47,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:48,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:48,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:41:48,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:48,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:48,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:48,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:48,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:48,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:48,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:41:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:48,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:48,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:48,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 11:41:48,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:48,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:41:48,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:48,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:48,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-13 11:41:48,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:48,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:48,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:48,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:48,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:48,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-13 11:41:48,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:48,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:41:48,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:48,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:48,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:48,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:48,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:48,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:48,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:48,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:48,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:48,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:48,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:48,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:48,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:48,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:48,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:48,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:48,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:41:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:48,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:48,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:48,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 11:41:48,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:48,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:41:48,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:48,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:48,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:48,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:48,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:48,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:41:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:48,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:48,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:48,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:41:48,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:48,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:41:48,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:48,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:48,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:48,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:48,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:48,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:41:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:41:48,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:41:48,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:41:48,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:41:48,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:41:48,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:41:48,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:41:48,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:41:48,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:41:48,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:41:48,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:41:48,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:41:48,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427528684] [2020-10-13 11:41:48,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:41:48,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:41:48,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303939262] [2020-10-13 11:41:48,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:41:48,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:41:48,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:41:48,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:41:48,129 INFO L87 Difference]: Start difference. First operand 602 states and 958 transitions. Second operand 9 states. [2020-10-13 11:41:49,714 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:41:50,552 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:41:51,640 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:42:09,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:42:09,608 INFO L93 Difference]: Finished difference Result 1605 states and 2776 transitions. [2020-10-13 11:42:09,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 11:42:09,609 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2020-10-13 11:42:09,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:42:09,620 INFO L225 Difference]: With dead ends: 1605 [2020-10-13 11:42:09,620 INFO L226 Difference]: Without dead ends: 1040 [2020-10-13 11:42:09,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:42:09,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2020-10-13 11:42:09,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 602. [2020-10-13 11:42:09,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2020-10-13 11:42:09,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 957 transitions. [2020-10-13 11:42:09,761 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 957 transitions. Word has length 96 [2020-10-13 11:42:09,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:42:09,762 INFO L479 AbstractCegarLoop]: Abstraction has 602 states and 957 transitions. [2020-10-13 11:42:09,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:42:09,762 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 957 transitions. [2020-10-13 11:42:09,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-13 11:42:09,765 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:42:09,765 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:42:09,765 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:42:09,765 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:42:09,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:42:09,766 INFO L82 PathProgramCache]: Analyzing trace with hash 497114383, now seen corresponding path program 1 times [2020-10-13 11:42:09,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:42:09,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [258834478] [2020-10-13 11:42:09,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:42:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:09,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:10,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:11,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:14,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:14,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-13 11:42:14,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:42:14,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-13 11:42:14,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:14,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:14,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-13 11:42:14,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:42:14,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,596 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:42:15,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:42:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:15,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:15,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:15,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 11:42:15,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:15,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:15,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:15,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:15,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:42:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:15,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:15,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:15,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:15,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:42:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:15,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:15,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:15,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:15,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:42:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:15,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:15,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:15,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:15,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:42:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:15,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:15,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:15,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:15,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:15,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:15,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:15,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:15,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:15,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:15,851 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:42:15,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:42:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:15,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:15,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:16,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:16,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-13 11:42:16,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:42:16,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 961 [2020-10-13 11:42:16,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:16,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:16,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:42:16,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:42:16,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:16,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:42:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:16,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:16,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:16,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:16,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:17,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:17,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:42:17,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:42:17,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 323 [2020-10-13 11:42:17,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:17,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:17,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:42:17,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:42:17,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:17,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:17,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:17,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:17,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:17,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:42:17,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:42:17,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:17,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:17,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:17,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:17,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:17,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:17,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:42:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:17,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:17,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:17,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:42:17,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:17,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:42:17,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:17,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:17,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:42:17,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 11:42:17,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:17,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:42:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:17,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:17,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:17,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:17,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:17,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:17,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:17,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:42:17,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:17,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:42:17,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:17,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 11:42:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:17,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:17,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:17,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 11:42:17,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:17,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:42:17,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:17,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:17,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-13 11:42:17,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:17,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:17,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:17,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:17,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:17,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-13 11:42:17,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:17,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:42:17,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:17,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:17,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:17,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:17,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:17,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:17,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:17,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:17,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:17,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:17,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:17,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:17,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:17,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:42:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:17,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:17,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:17,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 11:42:17,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:17,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:17,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:17,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:17,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:17,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:17,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:17,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:17,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:17,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:17,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:17,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:17,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:17,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:17,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:17,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:17,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:17,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:17,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:17,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:17,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:17,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:42:17,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:17,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:17,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:17,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:17,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:17,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:17,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:17,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:42:17,449 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [258834478] [2020-10-13 11:42:17,449 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:42:17,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:42:17,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326166887] [2020-10-13 11:42:17,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:42:17,451 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:42:17,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:42:17,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:42:17,451 INFO L87 Difference]: Start difference. First operand 602 states and 957 transitions. Second operand 9 states. [2020-10-13 11:42:19,188 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:42:20,359 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:42:41,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:42:41,725 INFO L93 Difference]: Finished difference Result 1559 states and 2696 transitions. [2020-10-13 11:42:41,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 11:42:41,726 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2020-10-13 11:42:41,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:42:41,733 INFO L225 Difference]: With dead ends: 1559 [2020-10-13 11:42:41,733 INFO L226 Difference]: Without dead ends: 1040 [2020-10-13 11:42:41,737 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-13 11:42:41,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2020-10-13 11:42:41,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 602. [2020-10-13 11:42:41,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2020-10-13 11:42:41,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 952 transitions. [2020-10-13 11:42:41,885 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 952 transitions. Word has length 97 [2020-10-13 11:42:41,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:42:41,886 INFO L479 AbstractCegarLoop]: Abstraction has 602 states and 952 transitions. [2020-10-13 11:42:41,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:42:41,886 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 952 transitions. [2020-10-13 11:42:41,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-13 11:42:41,888 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:42:41,888 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:42:41,889 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:42:41,889 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:42:41,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:42:41,889 INFO L82 PathProgramCache]: Analyzing trace with hash -92237882, now seen corresponding path program 1 times [2020-10-13 11:42:41,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:42:41,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [17901] [2020-10-13 11:42:41,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:42:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:42,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:42,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:42,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:43,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:44,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:47,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:47,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-13 11:42:47,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:42:47,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-13 11:42:47,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:47,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:47,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:42:47,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:42:47,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:47,845 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:42:47,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:42:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:47,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:47,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:47,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:47,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:47,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 11:42:47,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:47,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:47,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:47,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:47,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:47,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:47,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:47,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:47,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:47,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:47,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:47,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:47,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:47,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:47,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:47,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:47,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:42:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:47,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:47,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:47,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:47,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:47,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:47,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:47,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:47,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:47,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:47,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:47,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:42:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:47,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:47,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:47,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:47,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:47,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:47,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:47,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:47,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:42:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:47,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:47,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:47,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:47,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:47,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:47,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:47,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:47,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:47,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:47,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:47,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:42:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:47,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:47,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:47,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:47,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:47,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:47,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:47,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:47,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:47,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:47,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:48,138 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:42:48,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:42:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:48,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:48,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:48,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:48,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 11:42:49,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:42:49,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1012 [2020-10-13 11:42:49,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:49,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:42:49,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:42:49,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:42:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:42:49,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:42:49,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-10-13 11:42:49,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:49,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:42:49,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:42:49,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:42:49,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:49,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:42:49,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:49,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:42:49,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:42:49,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:42:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:42:49,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:42:49,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:42:49,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:49,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:42:49,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:49,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:42:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:49,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:49,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:49,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:49,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:49,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:49,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 11:42:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-13 11:42:49,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:49,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:42:49,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:49,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-13 11:42:49,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:49,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-13 11:42:49,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:49,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:42:49,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:49,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:49,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:49,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:49,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:49,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:49,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:49,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:49,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:49,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:42:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 11:42:49,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:49,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:42:49,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:49,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:49,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:49,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:49,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:49,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:49,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:49,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:49,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:49,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:49,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:49,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:49,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:42:49,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:49,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:49,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:49,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:49,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:49,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 11:42:49,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [17901] [2020-10-13 11:42:49,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:42:49,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:42:49,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854558796] [2020-10-13 11:42:49,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:42:49,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:42:49,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:42:49,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:42:49,748 INFO L87 Difference]: Start difference. First operand 602 states and 952 transitions. Second operand 9 states. [2020-10-13 11:42:51,320 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:42:52,071 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:42:53,098 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:43:10,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:43:10,057 INFO L93 Difference]: Finished difference Result 1605 states and 2765 transitions. [2020-10-13 11:43:10,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 11:43:10,058 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2020-10-13 11:43:10,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:43:10,065 INFO L225 Difference]: With dead ends: 1605 [2020-10-13 11:43:10,066 INFO L226 Difference]: Without dead ends: 1040 [2020-10-13 11:43:10,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:43:10,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2020-10-13 11:43:10,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 602. [2020-10-13 11:43:10,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2020-10-13 11:43:10,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 951 transitions. [2020-10-13 11:43:10,211 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 951 transitions. Word has length 98 [2020-10-13 11:43:10,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:43:10,211 INFO L479 AbstractCegarLoop]: Abstraction has 602 states and 951 transitions. [2020-10-13 11:43:10,211 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:43:10,211 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 951 transitions. [2020-10-13 11:43:10,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-13 11:43:10,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:43:10,215 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:43:10,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 11:43:10,215 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:43:10,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:43:10,215 INFO L82 PathProgramCache]: Analyzing trace with hash 898479818, now seen corresponding path program 1 times [2020-10-13 11:43:10,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:43:10,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [515232848] [2020-10-13 11:43:10,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:43:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:10,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:10,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:10,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:12,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:12,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-13 11:43:15,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:43:15,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 11:43:15,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:43:15,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-13 11:43:15,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:43:15,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0