/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 --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:05:38,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:05:38,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:05:38,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:05:38,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:05:38,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:05:38,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:05:38,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:05:38,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:05:38,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:05:38,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:05:38,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:05:38,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:05:38,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:05:38,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:05:38,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:05:38,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:05:38,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:05:38,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:05:38,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:05:38,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:05:38,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:05:38,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:05:38,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:05:38,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:05:38,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:05:38,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:05:38,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:05:38,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:05:38,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:05:38,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:05:38,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:05:38,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:05:38,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:05:38,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:05:38,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:05:38,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:05:38,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:05:38,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:05:38,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:05:38,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:05:38,330 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 [2020-09-21 11:05:38,354 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:05:38,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:05:38,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:05:38,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:05:38,356 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:05:38,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:05:38,356 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:05:38,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:05:38,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:05:38,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:05:38,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:05:38,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:05:38,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:05:38,358 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:05:38,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:05:38,358 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:05:38,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:05:38,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:05:38,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:05:38,359 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:05:38,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:05:38,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:05:38,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:05:38,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:05:38,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:05:38,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:05:38,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:05:38,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:05:38,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:05:38,361 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.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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:05:38,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:05:38,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:05:38,852 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:05:38,854 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:05:38,856 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:05:38,858 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2020-09-21 11:05:38,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7244ab9af/2d195c23e70a49e587577e1165d12363/FLAGcd6c07b4b [2020-09-21 11:05:39,567 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:05:39,568 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2020-09-21 11:05:39,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7244ab9af/2d195c23e70a49e587577e1165d12363/FLAGcd6c07b4b [2020-09-21 11:05:39,808 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7244ab9af/2d195c23e70a49e587577e1165d12363 [2020-09-21 11:05:39,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:05:39,826 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:05:39,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:05:39,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:05:39,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:05:39,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:05:39" (1/1) ... [2020-09-21 11:05:39,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:39, skipping insertion in model container [2020-09-21 11:05:39,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:05:39" (1/1) ... [2020-09-21 11:05:39,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:05:39,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:05:40,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:05:40,307 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:05:40,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:05:40,560 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:05:40,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:40 WrapperNode [2020-09-21 11:05:40,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:05:40,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:05:40,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:05:40,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:05:40,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:40" (1/1) ... [2020-09-21 11:05:40,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:40" (1/1) ... [2020-09-21 11:05:40,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:40" (1/1) ... [2020-09-21 11:05:40,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:40" (1/1) ... [2020-09-21 11:05:40,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:40" (1/1) ... [2020-09-21 11:05:40,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:40" (1/1) ... [2020-09-21 11:05:40,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:40" (1/1) ... [2020-09-21 11:05:40,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:05:40,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:05:40,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:05:40,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:05:40,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:40" (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 [2020-09-21 11:05:40,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:05:40,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:05:40,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:05:40,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:05:40,757 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:05:40,758 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:05:40,758 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:05:40,758 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:05:40,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:05:40,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:05:40,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:05:40,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:05:40,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:05:40,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:05:40,759 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:05:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:05:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:05:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:05:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:05:40,761 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:05:40,761 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:05:40,761 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:05:40,761 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:05:40,761 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:05:40,761 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:05:40,762 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:05:40,762 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:05:40,762 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:05:40,762 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:05:40,762 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:05:40,763 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:05:40,763 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:05:40,763 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:05:40,763 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:05:40,763 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:05:40,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:05:40,763 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:05:40,764 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:05:40,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:05:40,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:05:40,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:05:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:05:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:05:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:05:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:05:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:05:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:05:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:05:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:05:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:05:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:05:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:05:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:05:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:05:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:05:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:05:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:05:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:05:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:05:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:05:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:05:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:05:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:05:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:05:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:05:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:05:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:05:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:05:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:05:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:05:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:05:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:05:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:05:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:05:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:05:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:05:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:05:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:05:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:05:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:05:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:05:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:05:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:05:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:05:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:05:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:05:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:05:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:05:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:05:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:05:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:05:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:05:40,773 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:05:40,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:05:40,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:05:40,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:05:41,864 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:05:41,865 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:05:41,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:05:41 BoogieIcfgContainer [2020-09-21 11:05:41,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:05:41,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:05:41,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:05:41,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:05:41,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:05:39" (1/3) ... [2020-09-21 11:05:41,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c9a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:05:41, skipping insertion in model container [2020-09-21 11:05:41,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:05:40" (2/3) ... [2020-09-21 11:05:41,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c9a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:05:41, skipping insertion in model container [2020-09-21 11:05:41,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:05:41" (3/3) ... [2020-09-21 11:05:41,886 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2020-09-21 11:05:41,898 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:05:41,911 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:05:41,934 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:05:41,969 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:05:41,969 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:05:41,969 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:05:41,970 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:05:41,970 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:05:41,970 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:05:41,970 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:05:41,970 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:05:41,993 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2020-09-21 11:05:42,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:05:42,004 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:42,006 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] [2020-09-21 11:05:42,006 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:42,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:42,013 INFO L82 PathProgramCache]: Analyzing trace with hash 135364863, now seen corresponding path program 1 times [2020-09-21 11:05:42,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:42,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1534518045] [2020-09-21 11:05:42,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:42,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:42,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:42,315 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:42,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:42,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:05:42,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:42,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:05:42,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:42,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:42,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:05:42,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:42,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:42,789 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:42,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:42,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:42,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:42,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:42,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:42,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:42,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:42,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:42,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:42,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:42,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:05:42,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:42,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:42,936 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:42,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:42,937 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:42,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:42,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:42,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:05:42,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:42,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:42,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:42,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:42,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:42,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:42,953 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:42,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:42,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:42,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:42,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:42,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:42,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:42,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:42,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:42,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:42,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:42,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:42,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:42,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:42,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:42,964 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:42,964 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:42,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:42,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:42,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:42,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:42,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:42,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:42,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:42,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:42,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:42,971 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:42,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:42,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:42,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:42,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:42,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:42,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:42,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:42,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:42,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:42,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:42,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:05:42,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:05:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:42,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:42,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:42,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:42,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:42,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:42,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:42,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:42,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:42,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:42,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:42,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:42,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:05:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:42,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:42,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:42,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:42,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:42,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:42,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:42,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:42,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:42,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:42,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:42,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:42,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:43,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:43,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1534518045] [2020-09-21 11:05:43,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:43,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:05:43,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705063894] [2020-09-21 11:05:43,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:05:43,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:43,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:05:43,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:05:43,054 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 3 states. [2020-09-21 11:05:44,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:44,231 INFO L93 Difference]: Finished difference Result 323 states and 418 transitions. [2020-09-21 11:05:44,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:05:44,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:05:44,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:44,252 INFO L225 Difference]: With dead ends: 323 [2020-09-21 11:05:44,252 INFO L226 Difference]: Without dead ends: 174 [2020-09-21 11:05:44,258 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:05:44,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-09-21 11:05:44,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 140. [2020-09-21 11:05:44,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-09-21 11:05:44,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2020-09-21 11:05:44,363 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 46 [2020-09-21 11:05:44,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:44,363 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2020-09-21 11:05:44,363 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:05:44,363 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2020-09-21 11:05:44,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:05:44,367 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:44,367 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] [2020-09-21 11:05:44,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:05:44,368 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:44,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:44,368 INFO L82 PathProgramCache]: Analyzing trace with hash 327228860, now seen corresponding path program 1 times [2020-09-21 11:05:44,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:44,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1071127700] [2020-09-21 11:05:44,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:44,450 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:44,450 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:44,450 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:44,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:44,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:05:44,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:44,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:05:44,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:44,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:44,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:05:44,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:05:44,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:44,729 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:44,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:44,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:44,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:44,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:44,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:44,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:44,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:44,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:44,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:44,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:44,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:44,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:44,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:44,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:44,790 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:44,790 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:44,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:44,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:44,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:44,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:44,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:44,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:44,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:44,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:44,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:44,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:44,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:44,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:44,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:44,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:44,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:44,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:44,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:44,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:44,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:44,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:44,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:44,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:44,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:44,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:44,806 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:44,807 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:44,807 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:44,807 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:44,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:44,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:44,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:44,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:44,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:44,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:44,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:44,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:44,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:44,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:44,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:44,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:44,815 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:44,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:44,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:44,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:05:44,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:44,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:44,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:44,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:44,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:44,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:05:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:44,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:44,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:44,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:44,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:44,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:44,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:44,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:44,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:44,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:44,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:44,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:44,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:44,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:05:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:44,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:44,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:44,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:44,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:44,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:44,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:44,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:44,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:44,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:44,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:44,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:44,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:44,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:44,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1071127700] [2020-09-21 11:05:44,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:44,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:05:44,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127441473] [2020-09-21 11:05:44,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:05:44,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:44,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:05:44,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:05:44,843 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 4 states. [2020-09-21 11:05:45,318 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:46,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:46,366 INFO L93 Difference]: Finished difference Result 256 states and 309 transitions. [2020-09-21 11:05:46,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:05:46,367 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:05:46,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:46,371 INFO L225 Difference]: With dead ends: 256 [2020-09-21 11:05:46,371 INFO L226 Difference]: Without dead ends: 158 [2020-09-21 11:05:46,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:05:46,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-09-21 11:05:46,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 131. [2020-09-21 11:05:46,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-09-21 11:05:46,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2020-09-21 11:05:46,411 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 47 [2020-09-21 11:05:46,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:46,412 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2020-09-21 11:05:46,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:05:46,412 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2020-09-21 11:05:46,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:05:46,414 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:46,414 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] [2020-09-21 11:05:46,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:05:46,415 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:46,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:46,416 INFO L82 PathProgramCache]: Analyzing trace with hash -207054876, now seen corresponding path program 1 times [2020-09-21 11:05:46,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:46,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1983228206] [2020-09-21 11:05:46,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:46,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:05:46,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:46,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:46,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:46,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:05:46,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:46,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-21 11:05:46,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:46,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:46,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:46,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:05:46,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:46,922 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:46,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:46,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:46,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:46,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:46,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:46,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:46,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:46,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:05:46,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:46,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:46,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:46,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:46,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:47,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:47,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:47,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:47,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:47,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:47,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:47,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:47,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:47,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:47,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:47,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:47,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:47,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:47,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:05:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,062 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:47,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:47,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:05:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:47,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:47,068 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:47,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:47,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:47,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:47,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:47,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:47,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:47,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:47,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:47,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:47,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:47,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:47,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1983228206] [2020-09-21 11:05:47,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:47,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:05:47,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553638027] [2020-09-21 11:05:47,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:05:47,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:47,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:05:47,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:05:47,081 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 4 states. [2020-09-21 11:05:47,403 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:48,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:48,393 INFO L93 Difference]: Finished difference Result 265 states and 323 transitions. [2020-09-21 11:05:48,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:05:48,394 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:05:48,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:48,397 INFO L225 Difference]: With dead ends: 265 [2020-09-21 11:05:48,397 INFO L226 Difference]: Without dead ends: 158 [2020-09-21 11:05:48,399 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:05:48,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-09-21 11:05:48,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 131. [2020-09-21 11:05:48,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-09-21 11:05:48,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2020-09-21 11:05:48,441 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 51 [2020-09-21 11:05:48,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:48,442 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2020-09-21 11:05:48,442 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:05:48,442 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2020-09-21 11:05:48,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:05:48,445 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:48,445 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] [2020-09-21 11:05:48,445 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:05:48,445 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:48,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:48,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1468702982, now seen corresponding path program 1 times [2020-09-21 11:05:48,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:48,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1122635313] [2020-09-21 11:05:48,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:48,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:48,917 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:48,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:48,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:48,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:05:48,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:48,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 422 [2020-09-21 11:05:48,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:48,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:05:48,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:48,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-09-21 11:05:48,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:49,282 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:49,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:49,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:49,341 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:49,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:49,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:49,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:49,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:49,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 11:05:49,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:49,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:49,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:49,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:49,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:49,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:49,380 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:49,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:49,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:49,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:49,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:49,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:49,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:49,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:49,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:49,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:49,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:49,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:49,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:49,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:49,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:49,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:49,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:49,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:49,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:49,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:49,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:49,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:49,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:49,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:49,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:49,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:49,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:49,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:49,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:49,391 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:49,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:49,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:49,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:49,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:49,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:49,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:49,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:49,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:49,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:49,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:49,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:49,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:49,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:49,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:49,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:49,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:49,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:49,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:49,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:49,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:49,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:49,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:05:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:49,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:49,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:49,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:49,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:49,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:05:49,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:49,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:05:49,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:49,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:49,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:05:49,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:05:49,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:49,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:49,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:49,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:49,425 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:49,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:49,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:05:49,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:49,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:05:49,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:49,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:49,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:05:49,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:05:49,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:49,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:49,480 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:49,480 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:49,480 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:49,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:49,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:49,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:49,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:49,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:49,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:49,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:49,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:49,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:49,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:05:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:49,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:49,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:49,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:49,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:49,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:49,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:49,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:49,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:49,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:49,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:49,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:49,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:49,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:05:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:49,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:49,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:49,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:49,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:49,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:49,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:49,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:49,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:49,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:49,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:49,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:49,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:49,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:49,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1122635313] [2020-09-21 11:05:49,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:49,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:05:49,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966656087] [2020-09-21 11:05:49,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:05:49,509 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:49,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:05:49,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:05:49,510 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 7 states. [2020-09-21 11:05:49,875 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:51,153 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:05:52,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:52,060 INFO L93 Difference]: Finished difference Result 357 states and 439 transitions. [2020-09-21 11:05:52,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:05:52,061 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2020-09-21 11:05:52,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:52,067 INFO L225 Difference]: With dead ends: 357 [2020-09-21 11:05:52,067 INFO L226 Difference]: Without dead ends: 250 [2020-09-21 11:05:52,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:05:52,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-09-21 11:05:52,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 209. [2020-09-21 11:05:52,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-09-21 11:05:52,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2020-09-21 11:05:52,137 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 64 [2020-09-21 11:05:52,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:52,138 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2020-09-21 11:05:52,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:05:52,138 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2020-09-21 11:05:52,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-21 11:05:52,141 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:52,141 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] [2020-09-21 11:05:52,141 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:05:52,142 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:52,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:52,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1930431345, now seen corresponding path program 1 times [2020-09-21 11:05:52,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:52,142 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1279985927] [2020-09-21 11:05:52,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-09-21 11:05:52,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 308 [2020-09-21 11:05:52,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:05:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-21 11:05:52,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,808 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:52,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:52,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:05:52,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:52,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:52,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,900 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:52,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:52,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:52,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:52,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:52,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:52,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,912 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:52,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:52,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:52,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,918 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,918 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:52,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:52,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:52,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:05:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:05:52,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:52,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-21 11:05:52,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,950 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:05:52,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,957 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:05:52,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:05:52,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:05:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,968 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,968 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,969 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:52,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:05:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,976 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,976 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,977 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,977 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:52,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:05:52,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:52,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:52,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:52,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:52,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-21 11:05:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:52,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:52,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:52,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:52,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:52,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:52,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:52,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:52,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:52,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:52,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:52,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:52,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:53,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:53,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1279985927] [2020-09-21 11:05:53,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:53,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:05:53,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813100671] [2020-09-21 11:05:53,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:05:53,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:53,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:05:53,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:05:53,010 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 8 states. [2020-09-21 11:05:53,490 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:54,585 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:55,001 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:05:55,661 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:55,972 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:05:56,327 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:05:57,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:05:57,577 INFO L93 Difference]: Finished difference Result 622 states and 764 transitions. [2020-09-21 11:05:57,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:05:57,579 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-09-21 11:05:57,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:05:57,583 INFO L225 Difference]: With dead ends: 622 [2020-09-21 11:05:57,583 INFO L226 Difference]: Without dead ends: 437 [2020-09-21 11:05:57,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:05:57,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2020-09-21 11:05:57,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 373. [2020-09-21 11:05:57,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-09-21 11:05:57,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 426 transitions. [2020-09-21 11:05:57,662 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 426 transitions. Word has length 78 [2020-09-21 11:05:57,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:05:57,662 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 426 transitions. [2020-09-21 11:05:57,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:05:57,663 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 426 transitions. [2020-09-21 11:05:57,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-09-21 11:05:57,665 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:05:57,665 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] [2020-09-21 11:05:57,665 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:05:57,665 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:05:57,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:05:57,666 INFO L82 PathProgramCache]: Analyzing trace with hash -613018165, now seen corresponding path program 1 times [2020-09-21 11:05:57,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:05:57,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1207614454] [2020-09-21 11:05:57,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:05:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-09-21 11:05:58,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 494 [2020-09-21 11:05:58,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-21 11:05:58,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:05:58,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-21 11:05:58,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:58,600 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:05:58,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:05:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,678 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,678 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,678 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:58,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 11:05:58,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:58,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:05:58,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:58,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:05:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,723 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:58,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:58,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:58,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:58,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:58,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:05:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,729 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,730 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,730 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,730 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:58,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:58,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:58,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:58,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:58,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:05:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:58,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:58,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:58,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:58,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:05:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,747 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,747 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:58,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:58,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:58,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:58,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:58,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:05:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,771 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:58,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:58,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:58,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:58,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:58,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:05:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:05:58,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:58,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:58,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:05:58,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:58,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,809 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:05:58,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:58,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:58,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:05:58,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:58,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:05:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,823 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:05:58,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:58,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:58,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:05:58,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:05:58,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:05:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:05:58,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:05:58,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:05:58,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:05:58,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:58,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:05:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,838 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:05:58,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:58,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:58,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:05:58,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:58,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-09-21 11:05:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:58,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:05:58,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:05:58,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:58,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:58,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 11:05:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:05:58,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:05:58,861 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:05:58,861 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:05:58,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:05:58,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:05:58,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:05:58,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:05:58,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:05:58,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:05:58,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:05:58,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:05:58,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:05:58,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:05:58,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1207614454] [2020-09-21 11:05:58,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:05:58,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:05:58,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123625402] [2020-09-21 11:05:58,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:05:58,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:05:58,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:05:58,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:05:58,908 INFO L87 Difference]: Start difference. First operand 373 states and 426 transitions. Second operand 9 states. [2020-09-21 11:05:59,354 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:00,700 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:01,049 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:02,271 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:02,588 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:02,906 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:03,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:03,149 INFO L93 Difference]: Finished difference Result 476 states and 594 transitions. [2020-09-21 11:06:03,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:06:03,150 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2020-09-21 11:06:03,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:03,154 INFO L225 Difference]: With dead ends: 476 [2020-09-21 11:06:03,157 INFO L226 Difference]: Without dead ends: 473 [2020-09-21 11:06:03,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:06:03,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-09-21 11:06:03,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 373. [2020-09-21 11:06:03,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-09-21 11:06:03,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2020-09-21 11:06:03,247 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 82 [2020-09-21 11:06:03,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:03,247 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2020-09-21 11:06:03,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:06:03,247 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2020-09-21 11:06:03,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-09-21 11:06:03,250 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:03,250 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:06:03,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:06:03,250 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:03,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:03,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1664141551, now seen corresponding path program 1 times [2020-09-21 11:06:03,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:03,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1577745454] [2020-09-21 11:06:03,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:03,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:03,306 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:03,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:03,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:03,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-09-21 11:06:03,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:03,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:06:03,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-09-21 11:06:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:06:03,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:03,609 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:06:03,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:03,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:03,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:03,620 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:03,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:03,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:03,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:03,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:03,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:03,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:03,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:03,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:03,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:03,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:03,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:03,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:03,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:03,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:03,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:03,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:03,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:03,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:03,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:03,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:03,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:03,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:03,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:03,656 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:03,656 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:03,656 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:03,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:03,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:03,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:03,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:03,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:03,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:03,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:03,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:03,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:03,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:03,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:03,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:03,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:03,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:03,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:03,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:03,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:03,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:03,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:03,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:03,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:03,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:03,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:03,665 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:03,665 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:03,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:03,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:03,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:03,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:03,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:03,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:03,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:03,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:03,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:03,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:03,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:06:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:03,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:03,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:03,682 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:03,682 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:03,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:03,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:03,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:03,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:03,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:03,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:03,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:03,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:03,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:06:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:03,701 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:03,701 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:03,702 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:03,702 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:03,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:06:03,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:03,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:06:03,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:03,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:03,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:06:03,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:06:03,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:03,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:03,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:03,728 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:03,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:03,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:03,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:06:03,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:03,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:06:03,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:03,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:03,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:06:03,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:06:03,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:03,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:03,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:03,762 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:03,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:03,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:03,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:06:03,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:03,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:06:03,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:03,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:03,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:03,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:06:03,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:03,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:03,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:03,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:03,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:03,792 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:03,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:06:03,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:03,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:03,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:03,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:03,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:03,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:03,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:03,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:06:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:03,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:03,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:03,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:03,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:03,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:06:03,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:03,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:03,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:03,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:03,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:06:03,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:03,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:03,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:03,838 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:03,838 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:03,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:03,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:03,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:06:03,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:03,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:03,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:03,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:03,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:03,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:03,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:03,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:03,843 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:03,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:03,843 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:03,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:03,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:03,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:03,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:03,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:03,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:03,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:03,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:03,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:03,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:03,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:03,851 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:03,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:03,852 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:03,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:03,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:03,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:03,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:03,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:03,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:06:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:03,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:03,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:03,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:03,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:03,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:03,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:03,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:03,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:03,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:03,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:03,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:03,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:03,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 11:06:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:03,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:03,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:03,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:03,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:03,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:03,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:03,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:03,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:03,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:03,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:03,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:03,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:03,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:06:03,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1577745454] [2020-09-21 11:06:03,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:03,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:06:03,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6721265] [2020-09-21 11:06:03,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:06:03,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:03,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:06:03,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:06:03,884 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 9 states. [2020-09-21 11:06:04,737 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:05,045 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:05,352 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:05,643 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:06,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:06,915 INFO L93 Difference]: Finished difference Result 830 states and 1028 transitions. [2020-09-21 11:06:06,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:06:06,918 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2020-09-21 11:06:06,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:06,924 INFO L225 Difference]: With dead ends: 830 [2020-09-21 11:06:06,924 INFO L226 Difference]: Without dead ends: 481 [2020-09-21 11:06:06,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:06:06,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-09-21 11:06:07,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 383. [2020-09-21 11:06:07,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-09-21 11:06:07,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 435 transitions. [2020-09-21 11:06:07,030 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 435 transitions. Word has length 98 [2020-09-21 11:06:07,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:07,031 INFO L479 AbstractCegarLoop]: Abstraction has 383 states and 435 transitions. [2020-09-21 11:06:07,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:06:07,031 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 435 transitions. [2020-09-21 11:06:07,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-09-21 11:06:07,036 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:07,036 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:06:07,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:06:07,037 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:07,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:07,037 INFO L82 PathProgramCache]: Analyzing trace with hash -770655213, now seen corresponding path program 1 times [2020-09-21 11:06:07,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:07,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1071278127] [2020-09-21 11:06:07,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:06:07,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -54 [2020-09-21 11:06:07,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 54 [2020-09-21 11:06:07,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-09-21 11:06:07,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:06:07,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:07,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-21 11:06:07,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:07,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,333 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:06:07,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:07,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:07,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:07,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:07,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:07,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:07,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:07,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:07,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,380 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:07,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:07,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:07,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,386 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:07,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:07,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:07,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:06:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:07,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:07,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:07,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:07,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:06:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,420 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:06:07,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:06:07,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:07,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:06:07,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:07,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,439 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:06:07,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:06:07,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:07,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:06:07,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:07,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:06:07,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:06:07,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:07,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:06:07,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:07,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:06:07,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:06:07,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:06:07,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:07,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:07,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:06:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,509 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:06:07,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:07,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:06:07,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,517 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,517 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:06:07,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:07,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:07,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,522 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,522 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,522 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,523 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:07,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:07,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:07,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,531 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,531 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:07,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:07,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:07,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:06:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,539 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,540 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:07,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:07,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:07,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 11:06:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:07,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:07,545 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:07,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:07,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:07,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:07,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:07,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:07,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:07,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:07,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:07,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:07,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:07,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:06:07,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1071278127] [2020-09-21 11:06:07,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:07,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:06:07,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395368863] [2020-09-21 11:06:07,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:06:07,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:07,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:06:07,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:06:07,564 INFO L87 Difference]: Start difference. First operand 383 states and 435 transitions. Second operand 8 states. [2020-09-21 11:06:08,368 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:06:08,696 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:09,001 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:10,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:10,195 INFO L93 Difference]: Finished difference Result 844 states and 1044 transitions. [2020-09-21 11:06:10,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:06:10,196 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-09-21 11:06:10,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:10,200 INFO L225 Difference]: With dead ends: 844 [2020-09-21 11:06:10,200 INFO L226 Difference]: Without dead ends: 485 [2020-09-21 11:06:10,201 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:06:10,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2020-09-21 11:06:10,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 391. [2020-09-21 11:06:10,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2020-09-21 11:06:10,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 443 transitions. [2020-09-21 11:06:10,271 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 443 transitions. Word has length 98 [2020-09-21 11:06:10,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:10,271 INFO L479 AbstractCegarLoop]: Abstraction has 391 states and 443 transitions. [2020-09-21 11:06:10,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:06:10,272 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 443 transitions. [2020-09-21 11:06:10,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-09-21 11:06:10,273 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:10,274 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:06:10,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:06:10,274 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:10,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:10,274 INFO L82 PathProgramCache]: Analyzing trace with hash -778414572, now seen corresponding path program 1 times [2020-09-21 11:06:10,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:10,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1908805459] [2020-09-21 11:06:10,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:10,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:10,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:10,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:10,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:10,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-09-21 11:06:10,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:10,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-09-21 11:06:10,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:10,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:06:10,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:10,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 11:06:10,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:10,912 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:06:10,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:10,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:10,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:10,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:10,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:10,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:10,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:10,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 11:06:10,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:10,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:10,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:10,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:06:10,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:11,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,043 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:11,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:11,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:11,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:11,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:11,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:11,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:11,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:11,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:11,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:11,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:11,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:11,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:11,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:11,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:11,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:11,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:11,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:11,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,070 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:11,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:11,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:11,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:11,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:11,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:11,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:06:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,090 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:11,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:11,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:11,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:11,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:11,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:11,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:06:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:06:11,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:11,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:11,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:06:11,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:06:11,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:11,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:06:11,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:06:11,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:11,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:11,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:06:11,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:11,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:06:11,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:11,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:11,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:11,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:06:11,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:11,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:06:11,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:11,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:11,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:11,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:06:11,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:11,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:06:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:06:11,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:11,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:11,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:11,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:06:11,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:11,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,247 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,248 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,248 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,248 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:06:11,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:11,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:11,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:11,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:11,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:11,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:11,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:11,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:11,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:11,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:11,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:11,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:11,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:11,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:11,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:11,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:11,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:11,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:06:11,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,267 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,267 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:11,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:11,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:11,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:11,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:11,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:11,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 11:06:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:11,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:11,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:11,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:11,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:11,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:11,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:11,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:11,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:11,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:11,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:11,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:11,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:11,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:06:11,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1908805459] [2020-09-21 11:06:11,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:06:11,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:06:11,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52337292] [2020-09-21 11:06:11,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:06:11,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:11,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:06:11,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:06:11,290 INFO L87 Difference]: Start difference. First operand 391 states and 443 transitions. Second operand 7 states. [2020-09-21 11:06:11,618 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:12,193 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:14,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:14,520 INFO L93 Difference]: Finished difference Result 1153 states and 1472 transitions. [2020-09-21 11:06:14,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-21 11:06:14,521 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 98 [2020-09-21 11:06:14,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:14,526 INFO L225 Difference]: With dead ends: 1153 [2020-09-21 11:06:14,526 INFO L226 Difference]: Without dead ends: 786 [2020-09-21 11:06:14,528 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:06:14,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-09-21 11:06:14,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 687. [2020-09-21 11:06:14,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 687 states. [2020-09-21 11:06:14,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 813 transitions. [2020-09-21 11:06:14,645 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 813 transitions. Word has length 98 [2020-09-21 11:06:14,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:14,645 INFO L479 AbstractCegarLoop]: Abstraction has 687 states and 813 transitions. [2020-09-21 11:06:14,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:06:14,645 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 813 transitions. [2020-09-21 11:06:14,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-09-21 11:06:14,647 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:14,648 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:06:14,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:06:14,648 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:14,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:14,648 INFO L82 PathProgramCache]: Analyzing trace with hash 469491758, now seen corresponding path program 1 times [2020-09-21 11:06:14,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:14,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1056694090] [2020-09-21 11:06:14,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:14,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:06:14,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -32 [2020-09-21 11:06:14,706 FATAL L256 erpolLogProxyWrapper]: Difference in width: 32 [2020-09-21 11:06:14,706 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:14,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-09-21 11:06:14,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:14,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:06:14,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:14,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:06:14,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-09-21 11:06:14,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 11:06:14,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:15,013 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:06:15,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,024 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,024 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:15,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:15,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:15,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:15,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:15,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:15,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,059 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:15,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:15,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:15,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:15,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:15,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:15,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:15,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:15,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:15,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:15,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:15,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:15,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:15,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:15,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:15,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:15,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:15,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:15,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:15,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:15,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:15,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:15,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:15,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:15,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:06:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:15,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:15,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:15,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:15,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:15,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:06:15,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:06:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,110 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,111 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,111 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:15,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:15,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:15,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:15,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:06:15,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:15,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:06:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,159 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:06:15,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:06:15,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:06:15,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-21 11:06:15,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:06:15,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:15,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:06:15,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:06:15,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:06:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 11:06:15,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:15,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,210 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,210 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,211 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:06:15,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:15,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:15,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:15,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:15,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:15,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,218 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:06:15,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:15,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:15,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:15,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:15,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:15,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:06:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:06:15,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:06:15,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:06:15,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:15,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:06:15,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:06:15,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:06:15,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:06:15,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:15,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:15,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:06:15,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:15,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:15,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:15,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:06:15,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:15,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:15,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:15,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:15,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:15,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:15,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:15,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:15,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:15,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-09-21 11:06:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:15,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:15,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:15,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:15,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:15,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:15,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-21 11:06:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:15,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:15,366 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:15,366 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:15,366 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:15,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:15,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:15,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:15,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:15,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:15,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:15,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:15,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:15,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:06:15,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1056694090] [2020-09-21 11:06:15,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:06:15,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-21 11:06:15,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813051731] [2020-09-21 11:06:15,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-21 11:06:15,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:15,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-21 11:06:15,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:06:15,384 INFO L87 Difference]: Start difference. First operand 687 states and 813 transitions. Second operand 13 states. [2020-09-21 11:06:15,783 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:16,543 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:17,461 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:17,821 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:18,179 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:18,551 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:06:19,143 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:06:19,797 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:06:20,452 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:06:22,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:22,504 INFO L93 Difference]: Finished difference Result 1418 states and 1746 transitions. [2020-09-21 11:06:22,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-21 11:06:22,505 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 102 [2020-09-21 11:06:22,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:22,510 INFO L225 Difference]: With dead ends: 1418 [2020-09-21 11:06:22,510 INFO L226 Difference]: Without dead ends: 755 [2020-09-21 11:06:22,512 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=229, Invalid=763, Unknown=0, NotChecked=0, Total=992 [2020-09-21 11:06:22,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2020-09-21 11:06:22,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 659. [2020-09-21 11:06:22,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-09-21 11:06:22,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 767 transitions. [2020-09-21 11:06:22,641 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 767 transitions. Word has length 102 [2020-09-21 11:06:22,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:22,641 INFO L479 AbstractCegarLoop]: Abstraction has 659 states and 767 transitions. [2020-09-21 11:06:22,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-21 11:06:22,642 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 767 transitions. [2020-09-21 11:06:22,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-09-21 11:06:22,645 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:22,645 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:06:22,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:06:22,646 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:22,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:22,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1698521745, now seen corresponding path program 1 times [2020-09-21 11:06:22,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:22,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1680411540] [2020-09-21 11:06:22,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:22,735 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:22,735 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:22,736 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:22,736 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:22,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-21 11:06:22,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:22,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:06:22,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:22,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:06:22,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-21 11:06:22,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-21 11:06:22,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,046 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:06:23,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,053 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:23,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:23,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:23,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:23,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:23,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:23,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:23,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:23,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,082 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,082 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:23,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:23,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:23,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:23,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:23,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:23,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:23,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:23,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:23,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:23,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,090 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,090 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,090 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:23,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:23,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:23,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:23,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:23,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:06:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:23,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:23,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:23,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:23,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:23,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:06:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-21 11:06:23,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:23,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:23,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:23,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 11:06:23,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:06:23,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:23,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:23,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:23,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:06:23,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:06:23,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:23,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:23,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:23,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:06:23,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,180 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,180 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:06:23,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:23,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:23,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:23,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:06:23,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:06:23,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:23,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:23,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:23,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:06:23,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:06:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:06:23,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:23,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:23,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:23,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:06:23,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:06:23,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:23,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:23,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:23,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:23,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:23,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:23,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:23,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:23,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:23,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,215 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,216 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:23,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:23,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:23,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:23,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:23,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:06:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,223 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,224 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:06:23,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:23,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:23,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:23,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:06:23,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:23,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:23,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:23,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:23,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:23,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-21 11:06:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,245 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,245 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,245 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:23,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:23,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:23,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:23,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:06:23,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-09-21 11:06:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:23,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:06:23,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:23,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:06:23,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:06:23,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-09-21 11:06:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,283 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,284 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,284 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,284 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:06:23,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:06:23,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:23,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:06:23,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:06:23,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:06:23,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:06:23,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:23,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:23,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:06:23,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,378 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:23,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:06:23,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:06:23,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:23,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:06:23,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:06:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:06:23,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:23,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:06:23,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:23,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:06:23,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,435 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,435 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,435 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:23,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:23,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:23,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:23,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:23,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-21 11:06:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,440 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:23,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:23,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:23,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:23,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:23,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-21 11:06:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:23,444 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:23,444 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:23,444 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:23,444 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:23,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:23,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:23,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:23,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:23,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:23,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:23,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:23,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:23,472 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-21 11:06:23,473 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1680411540] [2020-09-21 11:06:23,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:06:23,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 11:06:23,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046219560] [2020-09-21 11:06:23,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 11:06:23,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:23,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 11:06:23,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:06:23,475 INFO L87 Difference]: Start difference. First operand 659 states and 767 transitions. Second operand 14 states. [2020-09-21 11:06:24,008 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:24,858 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:26,785 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-21 11:06:27,394 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-09-21 11:06:27,963 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:06:28,916 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:06:29,240 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:06:29,542 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:06:29,835 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:06:31,474 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:06:31,825 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 11:06:32,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:06:32,784 INFO L93 Difference]: Finished difference Result 1998 states and 2623 transitions. [2020-09-21 11:06:32,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-09-21 11:06:32,784 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 155 [2020-09-21 11:06:32,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:06:32,794 INFO L225 Difference]: With dead ends: 1998 [2020-09-21 11:06:32,794 INFO L226 Difference]: Without dead ends: 1487 [2020-09-21 11:06:32,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 65 SyntacticMatches, 5 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=409, Invalid=1571, Unknown=0, NotChecked=0, Total=1980 [2020-09-21 11:06:32,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1487 states. [2020-09-21 11:06:32,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1487 to 1187. [2020-09-21 11:06:32,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1187 states. [2020-09-21 11:06:32,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1395 transitions. [2020-09-21 11:06:32,973 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1395 transitions. Word has length 155 [2020-09-21 11:06:32,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:06:32,973 INFO L479 AbstractCegarLoop]: Abstraction has 1187 states and 1395 transitions. [2020-09-21 11:06:32,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-21 11:06:32,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1395 transitions. [2020-09-21 11:06:32,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-09-21 11:06:32,976 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:06:32,977 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:06:32,977 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:06:32,977 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:06:32,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:06:32,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1973281359, now seen corresponding path program 1 times [2020-09-21 11:06:32,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:06:32,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [559000399] [2020-09-21 11:06:32,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:06:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:06:33,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -152 [2020-09-21 11:06:33,036 FATAL L256 erpolLogProxyWrapper]: Difference in width: 152 [2020-09-21 11:06:33,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-21 11:06:33,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:06:33,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:33,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 178 [2020-09-21 11:06:33,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:06:33,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,284 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:06:33,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:06:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,291 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,292 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:33,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:33,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:06:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,317 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,317 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:33,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:33,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:06:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:33,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:33,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,324 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,325 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,325 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,325 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:33,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:33,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:06:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:33,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:33,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:06:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:33,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:33,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:06:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-21 11:06:33,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:33,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,399 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,400 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,400 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:06:33,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:33,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:06:33,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:33,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,420 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:06:33,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:33,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:06:33,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:33,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:06:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,435 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,436 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,436 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,436 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:06:33,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:33,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,443 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,444 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:06:33,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:06:33,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:33,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:33,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:06:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:33,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:33,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:06:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,460 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,460 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,460 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,461 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:06:33,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:33,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:33,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:33,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-21 11:06:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,482 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,483 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,483 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,483 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:33,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:33,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-09-21 11:06:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:33,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:33,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-09-21 11:06:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 3 [2020-09-21 11:06:33,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -4 [2020-09-21 11:06:33,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 4 [2020-09-21 11:06:33,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:06:33,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:06:33,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:06:33,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 11:06:33,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:06:33,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,535 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,535 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,535 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:06:33,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:06:33,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:06:33,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:06:33,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:06:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,565 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:33,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:06:33,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:06:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,569 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,570 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:06:33,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:33,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:06:33,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:06:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:06:33,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:33,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:06:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-21 11:06:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,577 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:33,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:33,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:33,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-21 11:06:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:06:33,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:06:33,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:06:33,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:06:33,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:06:33,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:06:33,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:06:33,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:06:33,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:06:33,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:06:33,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:06:33,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:06:33,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:06:33,607 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-21 11:06:33,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [559000399] [2020-09-21 11:06:33,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:06:33,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 11:06:33,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292727320] [2020-09-21 11:06:33,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:06:33,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:06:33,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:06:33,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:06:33,610 INFO L87 Difference]: Start difference. First operand 1187 states and 1395 transitions. Second operand 11 states.