/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --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_spec5_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:54:15,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:54:15,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:54:15,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:54:15,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:54:15,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:54:15,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:54:15,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:54:15,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:54:15,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:54:15,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:54:15,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:54:15,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:54:15,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:54:15,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:54:15,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:54:15,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:54:15,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:54:15,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:54:15,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:54:15,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:54:15,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:54:15,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:54:15,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:54:15,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:54:15,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:54:15,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:54:15,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:54:15,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:54:15,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:54:15,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:54:15,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:54:15,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:54:15,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:54:15,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:54:15,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:54:15,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:54:15,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:54:15,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:54:15,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:54:15,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:54:15,319 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 [2020-09-24 15:54:15,364 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:54:15,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:54:15,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:54:15,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:54:15,367 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:54:15,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:54:15,368 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:54:15,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:54:15,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:54:15,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:54:15,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:54:15,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:54:15,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:54:15,370 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:54:15,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:54:15,371 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:54:15,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:54:15,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:54:15,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:54:15,371 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:54:15,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:54:15,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:54:15,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:54:15,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:54:15,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:54:15,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:54:15,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:54:15,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:54:15,373 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:54:15,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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; [2020-09-24 15:54:15,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:54:15,892 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:54:15,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:54:15,898 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:54:15,898 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:54:15,900 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2020-09-24 15:54:15,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/65929007b/8cd8ef6bf53e40feaa5154a7ee5bdc55/FLAGf034c6690 [2020-09-24 15:54:16,592 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:54:16,593 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2020-09-24 15:54:16,622 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/65929007b/8cd8ef6bf53e40feaa5154a7ee5bdc55/FLAGf034c6690 [2020-09-24 15:54:16,817 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/65929007b/8cd8ef6bf53e40feaa5154a7ee5bdc55 [2020-09-24 15:54:16,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:54:16,842 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:54:16,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:54:16,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:54:16,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:54:16,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:54:16" (1/1) ... [2020-09-24 15:54:16,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7184f8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:16, skipping insertion in model container [2020-09-24 15:54:16,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:54:16" (1/1) ... [2020-09-24 15:54:16,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:54:16,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:54:17,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:54:17,491 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:54:17,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:54:17,650 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:54:17,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:17 WrapperNode [2020-09-24 15:54:17,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:54:17,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:54:17,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:54:17,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:54:17,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:17" (1/1) ... [2020-09-24 15:54:17,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:17" (1/1) ... [2020-09-24 15:54:17,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:17" (1/1) ... [2020-09-24 15:54:17,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:17" (1/1) ... [2020-09-24 15:54:17,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:17" (1/1) ... [2020-09-24 15:54:17,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:17" (1/1) ... [2020-09-24 15:54:17,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:17" (1/1) ... [2020-09-24 15:54:17,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:54:17,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:54:17,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:54:17,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:54:17,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:17" (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 [2020-09-24 15:54:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:54:17,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:54:17,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:54:17,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:54:17,867 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:54:17,867 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:54:17,867 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:54:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:54:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:54:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:54:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:54:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:54:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:54:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:54:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:54:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:54:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:54:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:54:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:54:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:54:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:54:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:54:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:54:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:54:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:54:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:54:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:54:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:54:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:54:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:54:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:54:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:54:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:54:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:54:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:54:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 15:54:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:54:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:54:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:54:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:54:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:54:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:54:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:54:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:54:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:54:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:54:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:54:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:54:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:54:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:54:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:54:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:54:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:54:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:54:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:54:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:54:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:54:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:54:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:54:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:54:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:54:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:54:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:54:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:54:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:54:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:54:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:54:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:54:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:54:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:54:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:54:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:54:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:54:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:54:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:54:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:54:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:54:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:54:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:54:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:54:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:54:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:54:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:54:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:54:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:54:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:54:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:54:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:54:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:54:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:54:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:54:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:54:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:54:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:54:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:54:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 15:54:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:54:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:54:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:54:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:54:19,330 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:54:19,331 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:54:19,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:54:19 BoogieIcfgContainer [2020-09-24 15:54:19,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:54:19,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:54:19,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:54:19,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:54:19,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:54:16" (1/3) ... [2020-09-24 15:54:19,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd37c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:54:19, skipping insertion in model container [2020-09-24 15:54:19,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:17" (2/3) ... [2020-09-24 15:54:19,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd37c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:54:19, skipping insertion in model container [2020-09-24 15:54:19,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:54:19" (3/3) ... [2020-09-24 15:54:19,348 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2020-09-24 15:54:19,360 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:54:19,371 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:54:19,390 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:54:19,420 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:54:19,420 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:54:19,420 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:54:19,420 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:54:19,421 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:54:19,421 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:54:19,421 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:54:19,421 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:54:19,451 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states. [2020-09-24 15:54:19,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 15:54:19,470 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:19,472 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:19,472 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:19,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:19,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1833758350, now seen corresponding path program 1 times [2020-09-24 15:54:19,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:19,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1742613542] [2020-09-24 15:54:19,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:19,903 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:19,904 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:19,904 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:19,904 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:19,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 15:54:19,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:19,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:54:19,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:19,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:19,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:54:19,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:19,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-24 15:54:20,427 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:20,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,456 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:20,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:20,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:20,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:20,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:20,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:20,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,553 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:20,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:20,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:20,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,560 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,560 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:20,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:20,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:20,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,567 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:20,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:20,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:20,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:20,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:20,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:20,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:54:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:20,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:20,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:20,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:20,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:20,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:20,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:20,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:20,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:54:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:20,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:20,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:20,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:20,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:54:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,614 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,614 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,614 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:20,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:20,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:20,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:20,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,650 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:20,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1742613542] [2020-09-24 15:54:20,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:20,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:54:20,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314755662] [2020-09-24 15:54:20,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:54:20,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:20,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:54:20,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:54:20,684 INFO L87 Difference]: Start difference. First operand 347 states. Second operand 4 states. [2020-09-24 15:54:22,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:22,038 INFO L93 Difference]: Finished difference Result 553 states and 641 transitions. [2020-09-24 15:54:22,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:54:22,040 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-24 15:54:22,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:22,062 INFO L225 Difference]: With dead ends: 553 [2020-09-24 15:54:22,063 INFO L226 Difference]: Without dead ends: 342 [2020-09-24 15:54:22,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:54:22,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-09-24 15:54:22,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 296. [2020-09-24 15:54:22,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-24 15:54:22,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 321 transitions. [2020-09-24 15:54:22,183 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 321 transitions. Word has length 160 [2020-09-24 15:54:22,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:22,184 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 321 transitions. [2020-09-24 15:54:22,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:54:22,184 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 321 transitions. [2020-09-24 15:54:22,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:54:22,190 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:22,190 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:22,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:54:22,191 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:22,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:22,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1480505140, now seen corresponding path program 1 times [2020-09-24 15:54:22,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:22,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [554776113] [2020-09-24 15:54:22,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:22,281 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:22,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:22,282 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:22,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:22,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-24 15:54:22,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:22,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:54:22,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:22,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:22,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:54:22,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:54:22,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:22,694 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:22,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:22,709 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:22,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:22,710 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:22,710 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:22,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:22,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:22,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:22,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:22,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:22,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:22,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:22,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:22,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:22,805 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:22,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:22,806 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:22,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:22,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:22,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:22,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:22,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:22,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:22,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:22,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:22,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:22,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:22,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:22,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:22,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:22,811 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:22,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:22,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:22,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:22,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:22,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:22,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:22,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:22,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:22,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:22,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:22,816 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:22,816 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:22,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:22,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:22,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:22,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:22,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:22,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:22,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:22,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:22,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:22,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:22,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:22,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:22,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:22,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:22,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:22,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:22,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:22,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:22,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:22,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:22,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:22,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:22,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:22,836 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:22,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:22,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:22,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:22,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:22,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:22,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:22,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:22,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:22,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:22,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:22,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:22,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:54:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:22,843 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:22,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:22,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:22,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:22,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:22,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:22,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:22,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:22,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:22,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:22,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:22,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:22,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:22,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:22,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:22,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:22,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:22,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:22,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:22,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:22,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:22,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:22,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:22,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:22,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:22,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:54:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:22,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:22,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:22,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:22,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:22,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:22,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:22,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:22,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:22,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:22,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:22,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:22,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:22,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:54:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:22,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:22,863 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:22,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:22,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:22,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:22,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:22,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:22,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:22,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:22,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:22,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:22,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:22,892 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:22,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [554776113] [2020-09-24 15:54:22,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:22,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:54:22,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927226824] [2020-09-24 15:54:22,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:54:22,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:22,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:54:22,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:54:22,896 INFO L87 Difference]: Start difference. First operand 296 states and 321 transitions. Second operand 5 states. [2020-09-24 15:54:23,640 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:24,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:24,827 INFO L93 Difference]: Finished difference Result 482 states and 537 transitions. [2020-09-24 15:54:24,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:54:24,828 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-24 15:54:24,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:24,834 INFO L225 Difference]: With dead ends: 482 [2020-09-24 15:54:24,834 INFO L226 Difference]: Without dead ends: 331 [2020-09-24 15:54:24,836 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:54:24,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-09-24 15:54:24,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 286. [2020-09-24 15:54:24,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-09-24 15:54:24,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 308 transitions. [2020-09-24 15:54:24,933 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 308 transitions. Word has length 161 [2020-09-24 15:54:24,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:24,935 INFO L479 AbstractCegarLoop]: Abstraction has 286 states and 308 transitions. [2020-09-24 15:54:24,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:54:24,935 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 308 transitions. [2020-09-24 15:54:24,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-24 15:54:24,948 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:24,949 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:24,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:54:24,949 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:24,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:24,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1554045372, now seen corresponding path program 1 times [2020-09-24 15:54:24,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:24,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [314744586] [2020-09-24 15:54:24,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:25,053 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:54:25,053 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:25,054 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:25,054 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:25,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-24 15:54:25,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:25,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:54:25,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:25,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:25,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-24 15:54:25,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-24 15:54:25,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:25,417 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:25,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:25,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:25,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:25,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:25,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:25,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:25,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:25,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:25,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:25,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:25,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:25,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-24 15:54:25,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:25,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:25,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:25,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:25,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:25,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:25,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:25,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:25,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:25,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:25,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:25,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:25,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:25,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:25,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:25,529 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:25,529 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:25,529 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:25,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:25,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:25,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:25,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:25,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:25,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:25,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:25,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:25,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:25,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:25,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:25,536 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:25,536 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:25,536 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:25,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:25,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:25,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:25,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:25,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:25,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:25,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:25,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:25,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:25,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:25,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:25,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:25,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:25,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:25,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:25,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:25,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:25,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:25,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:25,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:25,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:25,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:25,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:25,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:25,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:25,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:25,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:25,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:25,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:25,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:25,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:25,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:25,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:25,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:54:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:25,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:25,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:25,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:25,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:25,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:25,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:25,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:25,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:25,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:25,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:25,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:25,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:25,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:25,567 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:25,568 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:25,568 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:25,568 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:25,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:25,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:25,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:25,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:25,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:25,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:25,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:25,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:25,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:54:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:25,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:25,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:25,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:25,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:25,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:25,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:25,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:25,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:25,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:25,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:25,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:25,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:25,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 15:54:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:25,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:25,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:25,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:25,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:25,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:25,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:25,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:25,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:25,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:25,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:25,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:25,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:25,612 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:25,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [314744586] [2020-09-24 15:54:25,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:25,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:54:25,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019955125] [2020-09-24 15:54:25,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:54:25,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:25,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:54:25,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:54:25,615 INFO L87 Difference]: Start difference. First operand 286 states and 308 transitions. Second operand 5 states. [2020-09-24 15:54:26,145 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:27,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:27,109 INFO L93 Difference]: Finished difference Result 502 states and 563 transitions. [2020-09-24 15:54:27,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:54:27,109 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2020-09-24 15:54:27,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:27,113 INFO L225 Difference]: With dead ends: 502 [2020-09-24 15:54:27,113 INFO L226 Difference]: Without dead ends: 331 [2020-09-24 15:54:27,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:54:27,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-09-24 15:54:27,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 286. [2020-09-24 15:54:27,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-09-24 15:54:27,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 307 transitions. [2020-09-24 15:54:27,165 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 307 transitions. Word has length 170 [2020-09-24 15:54:27,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:27,166 INFO L479 AbstractCegarLoop]: Abstraction has 286 states and 307 transitions. [2020-09-24 15:54:27,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:54:27,166 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 307 transitions. [2020-09-24 15:54:27,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-09-24 15:54:27,169 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:27,169 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:27,170 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:54:27,170 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:27,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:27,170 INFO L82 PathProgramCache]: Analyzing trace with hash 861738255, now seen corresponding path program 1 times [2020-09-24 15:54:27,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:27,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1355695168] [2020-09-24 15:54:27,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:27,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:27,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:27,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:27,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:27,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-09-24 15:54:27,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:27,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 15:54:27,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:27,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:54:27,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:54:27,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-24 15:54:27,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:27,698 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:27,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:27,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:27,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:27,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:27,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:27,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:27,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:27,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:27,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:27,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:27,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:27,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:54:27,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:27,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:27,811 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:27,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:27,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:27,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:27,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:27,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:27,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:27,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:27,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:27,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:27,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:27,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:27,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:27,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:27,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:27,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:27,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:27,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:27,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:27,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:27,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:27,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:27,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:27,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:27,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:27,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:27,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:27,827 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:27,827 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:27,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:27,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:27,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:27,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:27,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:27,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:27,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:27,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:27,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:27,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:27,836 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:27,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:27,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:27,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:27,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:27,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:27,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:27,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:27,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:27,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:27,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:27,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:27,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:27,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:27,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:27,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:27,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:27,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:27,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:27,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:27,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:27,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:27,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:27,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:27,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:27,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:54:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:27,866 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:27,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:27,867 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:27,867 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:27,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:27,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:27,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:27,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:27,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:27,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:27,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:27,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:27,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:27,874 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:27,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:27,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:27,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:27,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:27,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:27,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:27,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:27,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:27,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:27,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:27,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:27,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:54:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:27,896 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:27,897 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:27,897 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:27,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:27,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:54:27,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:27,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:27,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:27,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:54:27,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:54:27,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:54:27,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:27,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:27,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:27,916 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:27,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:27,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:27,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:54:27,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:27,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:27,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:27,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:54:27,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:54:27,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:54:27,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:27,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:27,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:27,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:27,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:27,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:27,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:27,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:27,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:27,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:27,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:27,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:27,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:27,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:28,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-24 15:54:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,003 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:28,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:28,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:28,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:28,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:28,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-24 15:54:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:28,009 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:28,009 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:28,009 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:28,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:28,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:28,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:28,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:28,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:28,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:28,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:28,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:28,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:28,098 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:28,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1355695168] [2020-09-24 15:54:28,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:28,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:54:28,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849412977] [2020-09-24 15:54:28,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:54:28,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:28,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:54:28,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:54:28,101 INFO L87 Difference]: Start difference. First operand 286 states and 307 transitions. Second operand 8 states. [2020-09-24 15:54:28,865 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:30,772 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:31,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:31,407 INFO L93 Difference]: Finished difference Result 642 states and 732 transitions. [2020-09-24 15:54:31,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:54:31,409 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 183 [2020-09-24 15:54:31,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:31,415 INFO L225 Difference]: With dead ends: 642 [2020-09-24 15:54:31,415 INFO L226 Difference]: Without dead ends: 471 [2020-09-24 15:54:31,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:54:31,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2020-09-24 15:54:31,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 403. [2020-09-24 15:54:31,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-09-24 15:54:31,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 436 transitions. [2020-09-24 15:54:31,486 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 436 transitions. Word has length 183 [2020-09-24 15:54:31,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:31,487 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 436 transitions. [2020-09-24 15:54:31,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:54:31,487 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 436 transitions. [2020-09-24 15:54:31,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-24 15:54:31,490 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:31,490 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:31,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:54:31,491 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:31,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:31,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1687407280, now seen corresponding path program 1 times [2020-09-24 15:54:31,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:31,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1125118680] [2020-09-24 15:54:31,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-24 15:54:31,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-24 15:54:31,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:54:31,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:54:31,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-09-24 15:54:31,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,963 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:31,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:32,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:32,012 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:32,012 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:32,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:32,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:32,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:32,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:32,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:32,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:32,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:32,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:54:32,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:32,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:32,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:32,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:32,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:32,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:32,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:32,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:32,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:32,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:32,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:32,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:32,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:32,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:32,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:32,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:32,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:32,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:32,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:32,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:32,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:32,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:32,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:32,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:32,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:32,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:32,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:32,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:32,096 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:32,096 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:32,097 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:32,097 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:32,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:32,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:32,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:32,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:32,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:32,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:32,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:32,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:32,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:32,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:32,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:32,111 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:32,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:32,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:32,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:32,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:32,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:32,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:32,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:32,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:32,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:32,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:32,128 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:32,128 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:32,129 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:32,129 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:32,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:32,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:32,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:32,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:32,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:32,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:32,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:32,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:32,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:54:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:32,136 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:32,136 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:32,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:32,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:32,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:32,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:32,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:32,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:32,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:32,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:32,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:32,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:32,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:32,142 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:32,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:32,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:32,143 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:32,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:32,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:32,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:32,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:32,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:32,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:32,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:32,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:32,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:54:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:32,166 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:32,166 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:32,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:32,167 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:32,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:54:32,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:32,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:32,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:32,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:32,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:32,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:32,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:32,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:32,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:32,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:32,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:32,182 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:32,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:54:32,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:32,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:32,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:32,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:32,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:32,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:54:32,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:32,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:32,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:32,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:32,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:32,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:32,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:32,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:32,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:32,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:32,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:32,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:32,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:54:32,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:32,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:32,201 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:32,201 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:32,202 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:32,202 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:32,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:32,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:32,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:32,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:32,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:32,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:32,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:32,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:32,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:32,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:32,209 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:32,209 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:32,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:32,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:32,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:32,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:32,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:32,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:32,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:32,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:32,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:32,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-24 15:54:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:32,217 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:32,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:32,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:32,218 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:32,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:32,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:32,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:32,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:32,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:32,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:32,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:32,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:32,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 15:54:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:32,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:32,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:32,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:32,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:32,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:32,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:32,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:32,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:32,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:32,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:32,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:32,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:32,353 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:54:32,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1125118680] [2020-09-24 15:54:32,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:32,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:54:32,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219147876] [2020-09-24 15:54:32,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:54:32,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:32,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:54:32,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:54:32,356 INFO L87 Difference]: Start difference. First operand 403 states and 436 transitions. Second operand 10 states. [2020-09-24 15:54:32,814 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:33,584 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:33,836 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:35,073 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:35,366 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:35,715 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:36,212 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:36,558 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:36,869 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:37,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:37,492 INFO L93 Difference]: Finished difference Result 758 states and 856 transitions. [2020-09-24 15:54:37,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:54:37,493 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 207 [2020-09-24 15:54:37,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:37,497 INFO L225 Difference]: With dead ends: 758 [2020-09-24 15:54:37,497 INFO L226 Difference]: Without dead ends: 470 [2020-09-24 15:54:37,499 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:54:37,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2020-09-24 15:54:37,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 402. [2020-09-24 15:54:37,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-09-24 15:54:37,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 433 transitions. [2020-09-24 15:54:37,549 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 433 transitions. Word has length 207 [2020-09-24 15:54:37,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:37,550 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 433 transitions. [2020-09-24 15:54:37,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:54:37,550 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 433 transitions. [2020-09-24 15:54:37,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-24 15:54:37,554 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:37,554 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:37,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:54:37,554 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:37,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:37,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1406999212, now seen corresponding path program 1 times [2020-09-24 15:54:37,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:37,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1753031735] [2020-09-24 15:54:37,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:37,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:37,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:37,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:37,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:37,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-24 15:54:37,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:37,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:54:37,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:37,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:37,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 200 [2020-09-24 15:54:37,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:37,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:37,884 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:37,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:37,893 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:37,893 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:37,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:37,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:37,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:37,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:37,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:37,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:37,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:37,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:37,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:37,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:37,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:37,927 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:37,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:37,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:37,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:37,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:37,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:37,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:37,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:37,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:37,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:37,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:37,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:37,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:37,932 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:37,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:37,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:37,932 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:37,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:37,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:37,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:37,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:37,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:37,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:37,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:37,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:37,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:37,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:37,936 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:37,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:37,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:37,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:37,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:37,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:37,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:37,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:37,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:37,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:37,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:37,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:37,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:37,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:37,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:37,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:37,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:37,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:37,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:37,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:37,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:37,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:37,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:37,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:37,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:37,953 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:37,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:37,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:37,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:37,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:37,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:37,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:37,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:37,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:37,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:37,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:37,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:37,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:54:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:37,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:37,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:37,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:37,959 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:37,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:37,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:37,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:37,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:37,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:37,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:37,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:37,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:37,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:37,964 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:37,964 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:37,964 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:37,965 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:37,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:37,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:37,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:37,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:37,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:37,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:37,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:37,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:37,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:54:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:37,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:37,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:37,988 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:37,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:37,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:54:37,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:37,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:37,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:54:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:37,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:37,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,008 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,009 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,009 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,009 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:54:38,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:38,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:38,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:54:38,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:38,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,060 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:38,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:38,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:38,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:54:38,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,100 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:38,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:38,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:38,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:54:38,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:38,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:54:38,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:38,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:54:38,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:38,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:38,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,120 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:38,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:38,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:38,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:54:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:38,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:38,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:38,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:38,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 15:54:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,136 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,136 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:38,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:38,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:38,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:38,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 15:54:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:38,141 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:38,141 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:38,141 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:38,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:38,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:38,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:38,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:38,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:38,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:38,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:38,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:38,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:38,199 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:38,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1753031735] [2020-09-24 15:54:38,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:38,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:54:38,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976205876] [2020-09-24 15:54:38,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:54:38,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:38,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:54:38,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:54:38,202 INFO L87 Difference]: Start difference. First operand 402 states and 433 transitions. Second operand 10 states. [2020-09-24 15:54:39,578 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:39,895 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:40,207 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:54:40,535 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:40,868 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 15:54:41,215 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:42,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:42,348 INFO L93 Difference]: Finished difference Result 761 states and 862 transitions. [2020-09-24 15:54:42,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 15:54:42,350 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 230 [2020-09-24 15:54:42,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:42,355 INFO L225 Difference]: With dead ends: 761 [2020-09-24 15:54:42,355 INFO L226 Difference]: Without dead ends: 474 [2020-09-24 15:54:42,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:54:42,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-09-24 15:54:42,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 410. [2020-09-24 15:54:42,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-09-24 15:54:42,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 441 transitions. [2020-09-24 15:54:42,410 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 441 transitions. Word has length 230 [2020-09-24 15:54:42,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:42,411 INFO L479 AbstractCegarLoop]: Abstraction has 410 states and 441 transitions. [2020-09-24 15:54:42,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:54:42,411 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 441 transitions. [2020-09-24 15:54:42,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-24 15:54:42,415 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:42,416 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:42,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:54:42,416 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:42,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:42,417 INFO L82 PathProgramCache]: Analyzing trace with hash -739252812, now seen corresponding path program 1 times [2020-09-24 15:54:42,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:42,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1329464372] [2020-09-24 15:54:42,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:42,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:54:42,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -87 [2020-09-24 15:54:42,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 87 [2020-09-24 15:54:42,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:42,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-24 15:54:42,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:42,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:42,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:42,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:42,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-09-24 15:54:42,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:42,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:42,788 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:42,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:42,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:42,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:42,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:42,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:42,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:42,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:42,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:42,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:42,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:42,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:42,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:42,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:42,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:42,831 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:42,831 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:42,831 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:42,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:42,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:42,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:42,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:42,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:42,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:42,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:42,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:42,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:42,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:42,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:42,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:42,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:42,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:42,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:42,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:42,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:42,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:42,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:42,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:42,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:42,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:42,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:42,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:42,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:42,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:42,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:42,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:42,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:42,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:42,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:42,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:42,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:42,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:42,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:42,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:42,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:42,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:42,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:42,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:42,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:42,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:42,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:42,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:42,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:42,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:42,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:42,863 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:42,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:42,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:42,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:42,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:42,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:42,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:42,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:42,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:42,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:42,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:42,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:54:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:42,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:42,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:42,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:42,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:42,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:42,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:42,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:42,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:42,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:42,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:42,872 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:42,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:42,873 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:42,873 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:42,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:42,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:42,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:42,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:42,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:42,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:42,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:42,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:42,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:54:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:42,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:42,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:42,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:42,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:42,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:54:42,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:42,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:42,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:42,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:42,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:54:42,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:42,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:42,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:42,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:42,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:42,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:42,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:42,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:54:42,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:42,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:42,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:42,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:42,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:42,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:42,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:42,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:42,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:42,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:42,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:42,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:42,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:42,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:42,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:42,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:42,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:42,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:54:42,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:42,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:42,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:42,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:42,982 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:42,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:42,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:42,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:42,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:42,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:42,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:42,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:54:42,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:42,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:42,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:43,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,027 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:43,028 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,028 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,028 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:54:43,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:43,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:43,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:54:43,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:43,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:43,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,036 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:43,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,037 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,037 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:54:43,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:43,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:43,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:43,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:43,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:43,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:43,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:43,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:43,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:43,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:43,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:43,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:43,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:54:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:43,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:43,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:43,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:43,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:43,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:43,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:43,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 15:54:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:43,068 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:43,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:43,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:43,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:43,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:43,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:43,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 15:54:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:43,074 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:43,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:43,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:43,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:43,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:43,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:43,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:43,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:43,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:43,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:43,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:43,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:43,169 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:43,169 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1329464372] [2020-09-24 15:54:43,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:43,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:54:43,170 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583667915] [2020-09-24 15:54:43,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:54:43,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:43,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:54:43,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:54:43,173 INFO L87 Difference]: Start difference. First operand 410 states and 441 transitions. Second operand 9 states. [2020-09-24 15:54:44,506 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:44,812 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:54:45,116 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:45,452 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:45,744 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:46,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:46,905 INFO L93 Difference]: Finished difference Result 778 states and 880 transitions. [2020-09-24 15:54:46,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:54:46,906 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 230 [2020-09-24 15:54:46,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:46,910 INFO L225 Difference]: With dead ends: 778 [2020-09-24 15:54:46,910 INFO L226 Difference]: Without dead ends: 483 [2020-09-24 15:54:46,911 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:54:46,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-09-24 15:54:46,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 416. [2020-09-24 15:54:46,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-09-24 15:54:46,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 447 transitions. [2020-09-24 15:54:46,953 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 447 transitions. Word has length 230 [2020-09-24 15:54:46,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:46,953 INFO L479 AbstractCegarLoop]: Abstraction has 416 states and 447 transitions. [2020-09-24 15:54:46,953 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:54:46,954 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 447 transitions. [2020-09-24 15:54:46,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-24 15:54:46,955 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:46,956 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:46,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:54:46,956 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:46,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:46,957 INFO L82 PathProgramCache]: Analyzing trace with hash -12147535, now seen corresponding path program 1 times [2020-09-24 15:54:46,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:46,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423131470] [2020-09-24 15:54:46,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-24 15:54:47,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 15:54:47,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:54:47,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:54:47,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-09-24 15:54:47,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,328 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:47,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,363 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,363 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:47,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:47,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:54:47,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:47,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:47,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:47,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:47,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:47,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:47,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:47,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:47,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:47,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,439 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,440 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:47,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:47,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:47,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:47,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:47,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:47,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:54:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,457 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,458 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,458 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,458 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:47,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:47,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:47,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:47,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:47,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:47,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:54:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:54:47,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:47,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:54:47,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:54:47,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,503 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:54:47,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:47,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:54:47,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,523 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:47,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:47,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:47,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,540 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,540 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,540 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:47,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:47,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:54:47,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,557 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:54:47,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:47,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:54:47,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:54:47,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:47,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:47,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,569 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,569 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:47,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:47,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:47,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:54:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,574 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,574 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:47,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:47,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:47,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:47,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:47,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 15:54:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:47,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:47,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:47,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:47,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 15:54:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:47,587 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:47,588 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:47,588 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:47,588 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:47,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:47,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:47,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:47,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:47,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:47,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:47,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:47,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:47,650 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:47,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423131470] [2020-09-24 15:54:47,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:47,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:54:47,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901605593] [2020-09-24 15:54:47,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:54:47,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:47,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:54:47,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:54:47,653 INFO L87 Difference]: Start difference. First operand 416 states and 447 transitions. Second operand 7 states. [2020-09-24 15:54:48,330 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:49,065 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:51,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:51,428 INFO L93 Difference]: Finished difference Result 1029 states and 1186 transitions. [2020-09-24 15:54:51,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:54:51,429 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-09-24 15:54:51,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:51,435 INFO L225 Difference]: With dead ends: 1029 [2020-09-24 15:54:51,435 INFO L226 Difference]: Without dead ends: 728 [2020-09-24 15:54:51,437 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:54:51,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-09-24 15:54:51,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 659. [2020-09-24 15:54:51,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-09-24 15:54:51,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 727 transitions. [2020-09-24 15:54:51,531 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 727 transitions. Word has length 230 [2020-09-24 15:54:51,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:51,531 INFO L479 AbstractCegarLoop]: Abstraction has 659 states and 727 transitions. [2020-09-24 15:54:51,532 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:54:51,532 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 727 transitions. [2020-09-24 15:54:51,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-24 15:54:51,534 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:51,534 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:51,534 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:54:51,535 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:51,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:51,535 INFO L82 PathProgramCache]: Analyzing trace with hash 851733322, now seen corresponding path program 1 times [2020-09-24 15:54:51,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:51,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1865869135] [2020-09-24 15:54:51,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:51,665 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:54:51,665 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -68 [2020-09-24 15:54:51,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 68 [2020-09-24 15:54:51,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:51,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 288 [2020-09-24 15:54:51,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:51,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-24 15:54:51,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:51,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:54:51,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:54:51,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 193 [2020-09-24 15:54:51,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,010 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:52,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,060 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,060 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:52,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:52,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:52,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:54:52,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,110 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,110 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,110 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:52,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:52,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:52,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:52,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:52,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:54:52,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:52,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:52,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:52,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:52,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:52,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,133 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:52,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:52,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:52,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:52,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:52,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:54:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:54:52,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:52,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:52,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:52,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:54:52,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:52,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:52,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:54:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:52,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:52,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:52,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,232 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:52,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:54:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:54:52,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:54:52,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:52,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:52,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:54:52,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,269 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,269 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:54:52,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:52,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:52,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:52,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:54:52,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:52,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,300 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,300 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:54:52,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:52,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:54:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:52,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:52,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:52,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:54:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,314 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,315 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:52,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:52,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 15:54:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:52,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:52,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:52,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:52,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:52,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:52,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 15:54:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:52,358 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:52,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:52,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:52,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:52,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:52,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:52,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:52,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:52,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:52,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:52,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:52,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:52,412 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:52,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1865869135] [2020-09-24 15:54:52,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:52,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-24 15:54:52,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573117825] [2020-09-24 15:54:52,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:54:52,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:52,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:54:52,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:54:52,415 INFO L87 Difference]: Start difference. First operand 659 states and 727 transitions. Second operand 14 states. [2020-09-24 15:54:52,986 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:53,852 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:55,324 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:55,639 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:56,035 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:56,364 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:54:56,699 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:57,014 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:57,386 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:54:57,703 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:59,539 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:59,840 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:55:00,098 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:00,787 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-24 15:55:02,536 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-24 15:55:03,147 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-24 15:55:03,844 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-24 15:55:04,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:04,362 INFO L93 Difference]: Finished difference Result 1804 states and 2070 transitions. [2020-09-24 15:55:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-09-24 15:55:04,362 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 235 [2020-09-24 15:55:04,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:04,371 INFO L225 Difference]: With dead ends: 1804 [2020-09-24 15:55:04,371 INFO L226 Difference]: Without dead ends: 1363 [2020-09-24 15:55:04,374 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 772 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=583, Invalid=2173, Unknown=0, NotChecked=0, Total=2756 [2020-09-24 15:55:04,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2020-09-24 15:55:04,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1186. [2020-09-24 15:55:04,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1186 states. [2020-09-24 15:55:04,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1296 transitions. [2020-09-24 15:55:04,535 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1296 transitions. Word has length 235 [2020-09-24 15:55:04,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:04,536 INFO L479 AbstractCegarLoop]: Abstraction has 1186 states and 1296 transitions. [2020-09-24 15:55:04,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 15:55:04,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1296 transitions. [2020-09-24 15:55:04,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2020-09-24 15:55:04,558 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:04,559 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:55:04,559 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:55:04,559 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:04,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:04,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1973699873, now seen corresponding path program 1 times [2020-09-24 15:55:04,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:04,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1635138208] [2020-09-24 15:55:04,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:04,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:55:04,658 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -140 [2020-09-24 15:55:04,658 FATAL L256 erpolLogProxyWrapper]: Difference in width: 140 [2020-09-24 15:55:04,658 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:04,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 397 [2020-09-24 15:55:04,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:04,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:55:04,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:04,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:55:04,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 245 [2020-09-24 15:55:04,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-09-24 15:55:04,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,002 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:05,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,011 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,011 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,011 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:05,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:05,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:05,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,047 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:05,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:05,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:05,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:05,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:05,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:05,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:05,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:05,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:05,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:05,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,060 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:05,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:05,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:05,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:05,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:05,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:05,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:55:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,096 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,097 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,097 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,097 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:55:05,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:05,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:05,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:55:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-09-24 15:55:05,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:05,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-24 15:55:05,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:05,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:05,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:05,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:05,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:05,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:05,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:55:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,184 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:55:05,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:05,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-24 15:55:05,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,201 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:55:05,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:05,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 15:55:05,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,212 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:55:05,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:05,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:05,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:55:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,217 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,218 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,218 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:55:05,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:05,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:05,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:05,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:55:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:55:05,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:05,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:55:05,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:55:05,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:05,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:05,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:55:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:05,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:05,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:05,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:55:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,244 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,244 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,245 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:05,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:05,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:55:05,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-24 15:55:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:55:05,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:05,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:55:05,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,261 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:05,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:05,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:05,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:05,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-09-24 15:55:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:05,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:55:05,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:55:05,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:55:05,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:05,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:05,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:55:05,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:55:05,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-24 15:55:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:55:05,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:05,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:55:05,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-09-24 15:55:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-24 15:55:05,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:05,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:55:05,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 15:55:05,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:05,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:05,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:05,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:55:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,367 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,368 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:05,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:05,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:05,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:55:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,373 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,373 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:55:05,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:05,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:05,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,377 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,378 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:05,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:05,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:05,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2020-09-24 15:55:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:05,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:05,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:05,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2020-09-24 15:55:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:05,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:05,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:05,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:05,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:05,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:05,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:05,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:05,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:05,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:05,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:05,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:55:05,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:05,478 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 33 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-09-24 15:55:05,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1635138208] [2020-09-24 15:55:05,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:55:05,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 15:55:05,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224881618] [2020-09-24 15:55:05,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:55:05,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:05,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:55:05,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:55:05,481 INFO L87 Difference]: Start difference. First operand 1186 states and 1296 transitions. Second operand 14 states. [2020-09-24 15:55:06,734 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:55:07,067 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:55:07,384 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:55:07,789 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:55:08,783 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:09,113 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:55:09,835 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:55:10,467 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:10,977 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:55:11,319 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:55:11,649 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:55:12,345 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190