/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_spec1_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:42:18,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:42:18,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:42:18,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:42:18,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:42:18,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:42:18,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:42:18,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:42:18,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:42:18,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:42:18,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:42:18,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:42:18,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:42:18,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:42:18,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:42:18,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:42:18,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:42:18,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:42:18,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:42:18,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:42:18,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:42:18,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:42:18,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:42:18,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:42:18,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:42:18,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:42:18,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:42:18,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:42:18,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:42:18,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:42:18,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:42:18,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:42:18,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:42:18,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:42:18,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:42:18,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:42:18,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:42:18,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:42:18,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:42:18,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:42:18,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:42:18,816 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 15:42:18,863 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:42:18,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:42:18,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:42:18,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:42:18,866 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:42:18,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:42:18,866 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:42:18,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:42:18,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:42:18,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:42:18,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:42:18,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:42:18,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:42:18,869 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:42:18,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:42:18,869 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:42:18,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:42:18,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:42:18,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:42:18,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:42:18,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:42:18,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:42:18,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:42:18,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:42:18,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:42:18,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:42:18,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:42:18,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:42:18,872 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:42:18,872 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 15:42:19,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:42:19,343 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:42:19,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:42:19,349 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:42:19,350 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:42:19,351 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2020-09-24 15:42:19,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01e66893f/8305cc4bd494433eb69c8fd43dcb6cab/FLAG7b9049642 [2020-09-24 15:42:20,067 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:42:20,069 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2020-09-24 15:42:20,095 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01e66893f/8305cc4bd494433eb69c8fd43dcb6cab/FLAG7b9049642 [2020-09-24 15:42:20,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01e66893f/8305cc4bd494433eb69c8fd43dcb6cab [2020-09-24 15:42:20,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:42:20,355 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:42:20,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:42:20,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:42:20,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:42:20,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:42:20" (1/1) ... [2020-09-24 15:42:20,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6165be1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:20, skipping insertion in model container [2020-09-24 15:42:20,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:42:20" (1/1) ... [2020-09-24 15:42:20,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:42:20,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:42:20,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:42:20,924 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:42:21,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:42:21,090 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:42:21,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:21 WrapperNode [2020-09-24 15:42:21,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:42:21,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:42:21,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:42:21,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:42:21,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:21" (1/1) ... [2020-09-24 15:42:21,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:21" (1/1) ... [2020-09-24 15:42:21,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:21" (1/1) ... [2020-09-24 15:42:21,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:21" (1/1) ... [2020-09-24 15:42:21,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:21" (1/1) ... [2020-09-24 15:42:21,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:21" (1/1) ... [2020-09-24 15:42:21,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:21" (1/1) ... [2020-09-24 15:42:21,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:42:21,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:42:21,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:42:21,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:42:21,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:21" (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 15:42:21,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:42:21,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:42:21,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:42:21,295 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:42:21,295 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:42:21,296 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:42:21,296 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:42:21,296 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:42:21,297 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:42:21,297 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:42:21,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:42:21,298 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:42:21,298 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:42:21,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:42:21,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:42:21,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:42:21,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-24 15:42:21,299 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:42:21,300 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:42:21,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:42:21,300 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:42:21,300 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:42:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:42:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:42:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:42:21,302 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:42:21,302 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:42:21,302 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 15:42:21,303 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:42:21,303 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:42:21,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:42:21,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:42:21,303 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:42:21,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:42:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:42:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:42:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:42:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:42:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:42:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:42:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:42:21,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:42:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:42:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:42:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:42:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:42:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:42:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:42:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:42:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:42:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:42:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:42:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:42:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:42:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:42:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:42:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:42:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:42:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:42:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:42:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-24 15:42:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:42:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:42:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:42:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:42:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:42:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:42:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:42:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:42:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:42:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:42:21,311 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:42:21,312 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:42:21,312 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:42:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:42:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:42:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 15:42:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:42:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 15:42:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:42:21,314 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:42:21,314 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:42:21,315 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:42:21,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:42:21,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:42:21,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:42:21,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:42:21,315 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:42:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:42:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:42:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:42:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:42:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:42:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:42:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:42:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:42:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:42:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:42:22,525 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:42:22,526 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:42:22,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:42:22 BoogieIcfgContainer [2020-09-24 15:42:22,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:42:22,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:42:22,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:42:22,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:42:22,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:42:20" (1/3) ... [2020-09-24 15:42:22,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6faf895b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:42:22, skipping insertion in model container [2020-09-24 15:42:22,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:21" (2/3) ... [2020-09-24 15:42:22,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6faf895b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:42:22, skipping insertion in model container [2020-09-24 15:42:22,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:42:22" (3/3) ... [2020-09-24 15:42:22,546 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61.cil.c [2020-09-24 15:42:22,558 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:42:22,570 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:42:22,594 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:42:22,628 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:42:22,629 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:42:22,629 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:42:22,629 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:42:22,629 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:42:22,629 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:42:22,630 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:42:22,630 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:42:22,660 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states. [2020-09-24 15:42:22,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 15:42:22,679 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:22,680 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:42:22,681 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:22,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:22,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1532916738, now seen corresponding path program 1 times [2020-09-24 15:42:22,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:22,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1579622074] [2020-09-24 15:42:22,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 15:42:23,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:42:23,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:42:23,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:23,548 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:23,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:23,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:42:23,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:23,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:42:23,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,743 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:23,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:23,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:23,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:23,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:23,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:23,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:23,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:23,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:23,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:23,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:23,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:23,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:23,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:23,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:23,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:23,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:42:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:23,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:23,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:23,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:23,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:42:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,790 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:23,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:23,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:23,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:42:23,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:42:23,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1579622074] [2020-09-24 15:42:23,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:23,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:42:23,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139801153] [2020-09-24 15:42:23,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:42:23,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:23,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:42:23,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:42:23,864 INFO L87 Difference]: Start difference. First operand 341 states. Second operand 3 states. [2020-09-24 15:42:25,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:25,429 INFO L93 Difference]: Finished difference Result 551 states and 657 transitions. [2020-09-24 15:42:25,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:42:25,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 15:42:25,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:25,453 INFO L225 Difference]: With dead ends: 551 [2020-09-24 15:42:25,453 INFO L226 Difference]: Without dead ends: 335 [2020-09-24 15:42:25,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:42:25,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2020-09-24 15:42:25,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 290. [2020-09-24 15:42:25,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-09-24 15:42:25,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 319 transitions. [2020-09-24 15:42:25,575 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 319 transitions. Word has length 142 [2020-09-24 15:42:25,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:25,576 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 319 transitions. [2020-09-24 15:42:25,577 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:42:25,577 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 319 transitions. [2020-09-24 15:42:25,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-24 15:42:25,582 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:25,582 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:42:25,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:42:25,583 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:25,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:25,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1032318014, now seen corresponding path program 1 times [2020-09-24 15:42:25,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:25,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1507607908] [2020-09-24 15:42:25,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-24 15:42:25,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:42:25,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:25,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:42:25,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:42:25,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:26,037 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:26,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:26,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:26,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:26,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:26,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:26,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:26,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:26,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:42:26,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:26,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:26,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:26,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:26,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:26,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:26,137 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:26,137 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:26,137 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:26,137 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:26,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:26,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:26,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:26,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:26,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:26,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:26,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:26,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:26,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:26,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:26,144 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:26,144 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:26,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:26,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:26,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:26,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:26,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:26,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:26,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:26,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:26,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:26,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:26,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:26,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:26,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:26,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:26,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:26,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:26,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:26,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:26,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:26,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:26,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:26,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:26,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:26,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:26,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:26,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:26,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:26,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:26,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:26,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:26,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:26,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:26,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:26,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:26,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:26,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:42:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:26,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:26,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:26,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:26,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:26,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:26,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:26,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:26,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:26,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:26,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:26,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:26,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:26,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:42:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:26,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:26,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:26,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:26,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:26,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:26,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:26,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:26,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:26,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:26,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:26,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:26,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:26,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:42:26,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1507607908] [2020-09-24 15:42:26,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:26,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:42:26,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373825908] [2020-09-24 15:42:26,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:42:26,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:26,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:42:26,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:42:26,205 INFO L87 Difference]: Start difference. First operand 290 states and 319 transitions. Second operand 4 states. [2020-09-24 15:42:26,868 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:28,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:28,189 INFO L93 Difference]: Finished difference Result 468 states and 532 transitions. [2020-09-24 15:42:28,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:42:28,190 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-24 15:42:28,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:28,196 INFO L225 Difference]: With dead ends: 468 [2020-09-24 15:42:28,196 INFO L226 Difference]: Without dead ends: 318 [2020-09-24 15:42:28,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:42:28,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-09-24 15:42:28,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 280. [2020-09-24 15:42:28,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-09-24 15:42:28,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 306 transitions. [2020-09-24 15:42:28,244 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 306 transitions. Word has length 143 [2020-09-24 15:42:28,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:28,244 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 306 transitions. [2020-09-24 15:42:28,244 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:42:28,245 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 306 transitions. [2020-09-24 15:42:28,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-24 15:42:28,248 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:28,249 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:42:28,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:42:28,249 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:28,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:28,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1465642271, now seen corresponding path program 1 times [2020-09-24 15:42:28,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:28,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [10107898] [2020-09-24 15:42:28,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:42:28,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,315 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,315 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:42:28,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:42:28,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:28,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:42:28,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-24 15:42:28,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,611 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:28,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,660 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:28,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:28,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:28,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:28,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:42:28,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,711 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,712 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,712 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,712 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:28,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:28,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:28,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:28,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:28,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:28,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:28,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:28,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:28,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:28,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,726 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:28,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:28,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:28,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:28,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:28,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:28,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:28,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:28,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:28,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:28,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:42:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:28,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:28,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:28,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:28,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:28,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-24 15:42:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,744 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,745 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,745 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:28,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:28,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:28,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:28,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:28,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:42:28,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [10107898] [2020-09-24 15:42:28,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:28,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:42:28,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579783061] [2020-09-24 15:42:28,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:42:28,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:28,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:42:28,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:42:28,809 INFO L87 Difference]: Start difference. First operand 280 states and 306 transitions. Second operand 4 states. [2020-09-24 15:42:29,297 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:30,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:30,426 INFO L93 Difference]: Finished difference Result 488 states and 557 transitions. [2020-09-24 15:42:30,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:42:30,427 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2020-09-24 15:42:30,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:30,434 INFO L225 Difference]: With dead ends: 488 [2020-09-24 15:42:30,437 INFO L226 Difference]: Without dead ends: 318 [2020-09-24 15:42:30,440 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:42:30,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-09-24 15:42:30,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 280. [2020-09-24 15:42:30,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-09-24 15:42:30,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 305 transitions. [2020-09-24 15:42:30,480 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 305 transitions. Word has length 152 [2020-09-24 15:42:30,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:30,481 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 305 transitions. [2020-09-24 15:42:30,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:42:30,481 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 305 transitions. [2020-09-24 15:42:30,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-24 15:42:30,484 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:30,484 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:42:30,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:42:30,485 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:30,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:30,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1222289511, now seen corresponding path program 1 times [2020-09-24 15:42:30,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:30,486 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [768363884] [2020-09-24 15:42:30,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:30,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:30,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:30,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:30,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:30,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-09-24 15:42:30,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:30,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 15:42:30,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:30,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:42:30,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:42:30,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-24 15:42:30,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:30,922 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:30,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:30,964 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:30,964 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:30,964 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:30,965 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:30,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:30,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:30,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:30,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:30,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:30,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:30,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:42:30,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:31,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:31,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:31,021 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:31,021 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:31,021 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:31,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:31,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:31,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:31,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:31,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:31,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:31,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:31,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:31,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:31,027 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:31,027 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:31,027 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:31,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:31,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:31,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:31,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:31,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:31,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:31,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:31,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:31,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:31,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:31,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:31,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:31,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:31,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:31,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:31,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:31,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:31,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:31,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:31,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:31,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:31,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:31,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:31,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:31,040 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:31,040 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:31,040 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:31,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:31,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:31,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:31,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:31,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:31,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:31,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:31,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:31,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-24 15:42:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:31,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:31,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:31,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:31,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:31,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 15:42:31,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:31,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:42:31,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:31,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:42:31,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:42:31,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:42:31,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:31,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:31,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:31,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:31,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:31,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:31,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:42:31,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:31,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:31,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:31,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:42:31,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:42:31,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:42:31,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:31,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:31,095 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:31,095 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:31,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:31,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:31,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:42:31,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:31,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:31,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:31,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:42:31,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:42:31,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:42:31,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:31,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:31,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:31,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:31,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:31,120 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:31,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:31,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:31,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:31,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:31,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:31,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:31,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:31,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:31,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:42:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:31,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:31,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:31,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:31,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:31,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:31,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:31,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:31,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:31,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:31,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:31,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:31,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:31,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-24 15:42:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:31,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:31,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:31,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:31,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:31,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:31,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:31,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:31,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:31,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:31,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:31,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:31,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:31,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:42:31,172 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [768363884] [2020-09-24 15:42:31,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:31,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:42:31,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268476821] [2020-09-24 15:42:31,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:42:31,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:31,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:42:31,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:42:31,176 INFO L87 Difference]: Start difference. First operand 280 states and 305 transitions. Second operand 6 states. [2020-09-24 15:42:31,793 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:33,352 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:34,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:34,458 INFO L93 Difference]: Finished difference Result 633 states and 727 transitions. [2020-09-24 15:42:34,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 15:42:34,459 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2020-09-24 15:42:34,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:34,463 INFO L225 Difference]: With dead ends: 633 [2020-09-24 15:42:34,464 INFO L226 Difference]: Without dead ends: 463 [2020-09-24 15:42:34,465 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:42:34,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-09-24 15:42:34,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 404. [2020-09-24 15:42:34,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2020-09-24 15:42:34,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 436 transitions. [2020-09-24 15:42:34,523 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 436 transitions. Word has length 170 [2020-09-24 15:42:34,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:34,524 INFO L479 AbstractCegarLoop]: Abstraction has 404 states and 436 transitions. [2020-09-24 15:42:34,524 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:42:34,524 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 436 transitions. [2020-09-24 15:42:34,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-24 15:42:34,527 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:34,527 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:42:34,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:42:34,527 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:34,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:34,528 INFO L82 PathProgramCache]: Analyzing trace with hash -2133528466, now seen corresponding path program 1 times [2020-09-24 15:42:34,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:34,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [222537675] [2020-09-24 15:42:34,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:34,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:34,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:34,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:34,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:34,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-09-24 15:42:34,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:34,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 15:42:34,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:34,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:42:34,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:42:34,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:42:34,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:35,044 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:35,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,094 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,095 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:35,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:35,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:35,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:42:35,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,271 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,272 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:35,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:42:35,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:35,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:35,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,281 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,282 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:35,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:35,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:35,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:35,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:35,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:35,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:35,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:35,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:35,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:35,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:35,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:35,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-24 15:42:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,335 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 15:42:35,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:35,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:42:35,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,348 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,349 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,349 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,349 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:42:35,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:35,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:35,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:35,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:42:35,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:35,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:35,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:35,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,372 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:35,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:35,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:35,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:35,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,380 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:35,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:35,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:35,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:35,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:35,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:35,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:35,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:35,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 15:42:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:35,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:42:35,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:35,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:35,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:35,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 15:42:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:35,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:35,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:35,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:35,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:35,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:35,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:35,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:35,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:35,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:35,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:35,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:35,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:35,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:42:35,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [222537675] [2020-09-24 15:42:35,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:35,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:42:35,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694342507] [2020-09-24 15:42:35,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:42:35,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:35,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:42:35,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:42:35,551 INFO L87 Difference]: Start difference. First operand 404 states and 436 transitions. Second operand 9 states. [2020-09-24 15:42:36,245 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:37,674 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:38,011 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:42:38,456 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:38,770 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:39,497 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:39,814 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:42:40,115 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:40,501 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:42,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:42,021 INFO L93 Difference]: Finished difference Result 1046 states and 1197 transitions. [2020-09-24 15:42:42,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:42:42,022 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 194 [2020-09-24 15:42:42,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:42,032 INFO L225 Difference]: With dead ends: 1046 [2020-09-24 15:42:42,032 INFO L226 Difference]: Without dead ends: 752 [2020-09-24 15:42:42,035 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:42:42,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2020-09-24 15:42:42,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 661. [2020-09-24 15:42:42,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2020-09-24 15:42:42,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 720 transitions. [2020-09-24 15:42:42,233 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 720 transitions. Word has length 194 [2020-09-24 15:42:42,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:42,233 INFO L479 AbstractCegarLoop]: Abstraction has 661 states and 720 transitions. [2020-09-24 15:42:42,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:42:42,234 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 720 transitions. [2020-09-24 15:42:42,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-24 15:42:42,238 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:42,238 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:42:42,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:42:42,239 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:42,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:42,239 INFO L82 PathProgramCache]: Analyzing trace with hash -440353169, now seen corresponding path program 1 times [2020-09-24 15:42:42,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:42,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [603327596] [2020-09-24 15:42:42,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-09-24 15:42:42,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-24 15:42:42,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 15:42:42,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:42:42,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-09-24 15:42:42,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,695 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:42,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:42,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:42,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:42,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:42:42,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,777 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:42,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:42,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:42,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:42,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:42,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:42,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:42,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:42,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:42,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:42,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:42,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:42,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:42,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:42,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:42,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:42:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,811 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:42,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:42,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:42,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:42:42,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:42:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 15:42:42,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:42,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:42,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 15:42:42,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:42:42,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:42,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:42,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:42,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,861 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,861 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,861 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:42:42,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:42,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:42,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:42:42,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,872 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,872 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,873 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,873 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:42,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:42,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:42,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:42:42,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:42,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:42,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:42,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:42,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,887 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,888 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,888 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:42,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:42,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:42,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:42,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-24 15:42:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,897 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:42,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:42,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:42,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:42,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-24 15:42:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:42,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:42,908 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:42,908 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:42,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:42,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:42,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:42,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:42:42,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:42,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:42,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:42,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:42,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:42:42,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [603327596] [2020-09-24 15:42:42,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:42,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:42:42,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155417929] [2020-09-24 15:42:42,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:42:42,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:42,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:42:42,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:42:42,987 INFO L87 Difference]: Start difference. First operand 661 states and 720 transitions. Second operand 10 states. [2020-09-24 15:42:43,521 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:45,131 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:45,430 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:45,801 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:47,154 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:47,523 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:47,838 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:48,151 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:48,447 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:48,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:48,829 INFO L93 Difference]: Finished difference Result 818 states and 942 transitions. [2020-09-24 15:42:48,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:42:48,829 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 199 [2020-09-24 15:42:48,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:48,835 INFO L225 Difference]: With dead ends: 818 [2020-09-24 15:42:48,835 INFO L226 Difference]: Without dead ends: 815 [2020-09-24 15:42:48,837 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:42:48,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2020-09-24 15:42:48,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 661. [2020-09-24 15:42:48,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2020-09-24 15:42:48,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 719 transitions. [2020-09-24 15:42:48,918 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 719 transitions. Word has length 199 [2020-09-24 15:42:48,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:48,918 INFO L479 AbstractCegarLoop]: Abstraction has 661 states and 719 transitions. [2020-09-24 15:42:48,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:42:48,919 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 719 transitions. [2020-09-24 15:42:48,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-24 15:42:48,922 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:48,923 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] [2020-09-24 15:42:48,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:42:48,923 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:48,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:48,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1400692561, now seen corresponding path program 1 times [2020-09-24 15:42:48,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:48,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [789795003] [2020-09-24 15:42:48,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:48,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:48,989 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:48,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:48,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:48,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-09-24 15:42:48,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:48,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:42:48,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:48,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:42:48,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-09-24 15:42:48,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:42:48,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:49,272 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:49,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,282 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,282 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:49,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:49,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:49,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:49,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,317 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,317 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:49,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:49,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:49,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:49,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,322 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,322 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:49,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:49,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:49,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:49,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:49,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:49,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:49,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:49,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:49,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:49,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:49,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:49,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:42:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:49,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:49,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:49,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:49,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:42:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,376 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:42:49,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:42:49,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:42:49,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:42:49,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:42:49,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:49,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:42:49,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:42:49,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:42:49,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:42:49,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:42:49,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:49,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,425 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:42:49,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:42:49,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:42:49,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:42:49,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:42:49,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:49,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,458 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,458 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:49,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:49,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:49,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:49,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:42:49,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:49,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:49,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:49,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:49,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:42:49,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:42:49,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:49,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:42:49,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:49,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,517 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,517 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:42:49,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:49,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:49,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:49,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,523 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:49,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:49,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:49,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:49,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:42:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:49,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:49,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:49,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:49,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 15:42:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:49,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:49,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:49,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:49,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-24 15:42:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:49,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:49,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:49,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:49,596 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 15:42:49,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [789795003] [2020-09-24 15:42:49,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:49,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:42:49,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791925631] [2020-09-24 15:42:49,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:42:49,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:49,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:42:49,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:42:49,599 INFO L87 Difference]: Start difference. First operand 661 states and 719 transitions. Second operand 10 states. [2020-09-24 15:42:50,880 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:51,181 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:42:51,482 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:42:51,796 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:52,113 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:42:52,400 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:53,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:53,978 INFO L93 Difference]: Finished difference Result 1380 states and 1594 transitions. [2020-09-24 15:42:53,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 15:42:53,978 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 222 [2020-09-24 15:42:53,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:53,985 INFO L225 Difference]: With dead ends: 1380 [2020-09-24 15:42:53,985 INFO L226 Difference]: Without dead ends: 829 [2020-09-24 15:42:53,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 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 15:42:53,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2020-09-24 15:42:54,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 677. [2020-09-24 15:42:54,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 677 states. [2020-09-24 15:42:54,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 735 transitions. [2020-09-24 15:42:54,081 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 735 transitions. Word has length 222 [2020-09-24 15:42:54,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:54,082 INFO L479 AbstractCegarLoop]: Abstraction has 677 states and 735 transitions. [2020-09-24 15:42:54,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:42:54,082 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 735 transitions. [2020-09-24 15:42:54,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-24 15:42:54,085 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:54,086 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] [2020-09-24 15:42:54,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:42:54,086 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:54,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:54,087 INFO L82 PathProgramCache]: Analyzing trace with hash 625994481, now seen corresponding path program 1 times [2020-09-24 15:42:54,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:54,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1704124747] [2020-09-24 15:42:54,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:42:54,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -77 [2020-09-24 15:42:54,165 FATAL L256 erpolLogProxyWrapper]: Difference in width: 77 [2020-09-24 15:42:54,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-09-24 15:42:54,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:42:54,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:54,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-09-24 15:42:54,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:54,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,443 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:54,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,456 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,457 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,457 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,457 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:54,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:54,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:54,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:54,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:54,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:54,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,494 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,494 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:54,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:54,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:54,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:54,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:54,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:54,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,503 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,503 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:54,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:54,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:54,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:42:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,521 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:54,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:54,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:54,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:42:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,542 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,542 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:42:54,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:42:54,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:54,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 15:42:54,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:54,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:42:54,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:42:54,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:54,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:42:54,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:54,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:42:54,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:42:54,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:54,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:42:54,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:54,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:54,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:54,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:54,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:42:54,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:54,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,626 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,627 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,627 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,627 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:54,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:54,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:42:54,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:54,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:54,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,672 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:42:54,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:54,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:42:54,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,678 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,679 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:42:54,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:54,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:54,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,685 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,685 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,685 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:54,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:54,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:54,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:42:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,690 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,690 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:54,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:54,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:54,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 15:42:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,703 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,704 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:54,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:54,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:54,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-24 15:42:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,711 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,712 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:54,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:54,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:54,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,755 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 15:42:54,756 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1704124747] [2020-09-24 15:42:54,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:54,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:42:54,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618694815] [2020-09-24 15:42:54,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:42:54,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:54,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:42:54,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:42:54,758 INFO L87 Difference]: Start difference. First operand 677 states and 735 transitions. Second operand 9 states. [2020-09-24 15:42:55,947 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:56,267 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:42:56,579 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:56,891 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:42:57,174 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:58,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:58,782 INFO L93 Difference]: Finished difference Result 1414 states and 1630 transitions. [2020-09-24 15:42:58,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:42:58,782 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 222 [2020-09-24 15:42:58,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:58,789 INFO L225 Difference]: With dead ends: 1414 [2020-09-24 15:42:58,789 INFO L226 Difference]: Without dead ends: 847 [2020-09-24 15:42:58,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 38 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 15:42:58,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2020-09-24 15:42:58,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 689. [2020-09-24 15:42:58,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2020-09-24 15:42:58,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 747 transitions. [2020-09-24 15:42:58,875 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 747 transitions. Word has length 222 [2020-09-24 15:42:58,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:58,875 INFO L479 AbstractCegarLoop]: Abstraction has 689 states and 747 transitions. [2020-09-24 15:42:58,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:42:58,876 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 747 transitions. [2020-09-24 15:42:58,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-24 15:42:58,879 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:58,879 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] [2020-09-24 15:42:58,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:42:58,880 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:58,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:58,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1691421588, now seen corresponding path program 1 times [2020-09-24 15:42:58,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:58,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [778873463] [2020-09-24 15:42:58,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:58,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:58,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:58,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:58,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:58,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-09-24 15:42:58,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:58,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:42:58,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:58,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:42:58,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:42:58,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-24 15:42:58,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:59,287 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:59,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:59,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:59,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:59,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:59,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:59,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:59,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:59,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:59,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:59,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:59,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:59,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:42:59,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:59,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:59,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:59,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:59,409 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:59,409 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:59,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:59,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:59,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 15:42:59,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:59,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:59,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:59,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:59,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:59,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:59,418 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:59,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:59,419 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:59,419 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:59,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:59,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:59,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:59,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:59,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:59,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:59,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:59,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:59,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:59,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:59,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:59,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:59,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:59,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:59,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:59,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:59,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:59,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:59,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:59,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:59,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:59,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:59,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:59,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:59,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:59,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:59,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:59,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:59,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:59,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:59,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:59,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:59,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:59,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:59,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:42:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:59,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:59,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:59,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:59,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:59,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:59,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:59,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:59,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:59,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:59,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:59,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:42:59,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:59,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:42:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:59,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:59,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:59,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:59,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:59,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:42:59,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:59,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:59,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:59,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:59,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-24 15:42:59,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-24 15:42:59,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:59,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:59,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:59,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:59,494 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:59,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:59,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:42:59,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:59,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:59,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:59,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:59,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:59,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:42:59,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:59,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:59,528 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:59,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:59,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:59,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:59,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:42:59,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:59,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:59,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:59,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:59,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:59,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:42:59,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:59,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:59,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:59,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:59,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:59,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:59,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:59,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:59,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:59,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:59,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:59,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:59,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:42:59,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:59,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:59,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:59,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:59,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:59,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:59,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:59,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:59,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:59,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:59,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:42:59,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:59,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:59,579 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:59,580 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:59,580 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:59,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:59,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:42:59,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:59,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:59,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:59,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:59,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:59,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:42:59,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:59,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:59,587 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:59,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:59,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:59,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:59,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:42:59,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:59,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:59,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:59,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:59,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:59,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:59,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:59,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:59,592 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:59,593 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:59,593 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:59,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:59,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:59,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:59,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:59,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:59,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:59,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:59,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:59,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:59,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:42:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:59,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:59,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:59,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:59,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:59,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:59,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:59,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:59,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:59,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:59,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:59,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:59,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:59,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 15:42:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:59,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:59,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:59,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:59,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:59,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:59,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:59,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:59,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:59,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:59,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:59,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:59,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:59,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-24 15:42:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:59,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:59,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:59,620 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:59,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:59,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:59,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:59,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:59,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:59,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:59,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:59,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:59,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:59,671 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 15:42:59,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [778873463] [2020-09-24 15:42:59,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:59,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:42:59,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51734719] [2020-09-24 15:42:59,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:42:59,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:59,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:42:59,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:42:59,674 INFO L87 Difference]: Start difference. First operand 689 states and 747 transitions. Second operand 7 states. [2020-09-24 15:43:00,316 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:43:00,896 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:43:03,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:43:03,779 INFO L93 Difference]: Finished difference Result 1879 states and 2220 transitions. [2020-09-24 15:43:03,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:43:03,781 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 222 [2020-09-24 15:43:03,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:43:03,788 INFO L225 Difference]: With dead ends: 1879 [2020-09-24 15:43:03,788 INFO L226 Difference]: Without dead ends: 1300 [2020-09-24 15:43:03,791 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 43 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:43:03,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1300 states. [2020-09-24 15:43:03,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1300 to 1127. [2020-09-24 15:43:03,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1127 states. [2020-09-24 15:43:03,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1263 transitions. [2020-09-24 15:43:03,933 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1263 transitions. Word has length 222 [2020-09-24 15:43:03,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:43:03,934 INFO L479 AbstractCegarLoop]: Abstraction has 1127 states and 1263 transitions. [2020-09-24 15:43:03,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:43:03,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1263 transitions. [2020-09-24 15:43:03,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-09-24 15:43:03,938 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:43:03,938 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] [2020-09-24 15:43:03,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:43:03,938 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:43:03,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:43:03,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1419842920, now seen corresponding path program 1 times [2020-09-24 15:43:03,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:43:03,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1656616660] [2020-09-24 15:43:03,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:43:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:03,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:43:03,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -46 [2020-09-24 15:43:03,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 46 [2020-09-24 15:43:03,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:03,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278 [2020-09-24 15:43:03,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:04,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:43:04,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:04,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:43:04,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-24 15:43:04,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:43:04,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:04,285 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:43:04,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:43:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:04,294 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:04,294 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:04,295 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:04,295 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:04,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:43:04,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:04,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:04,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:04,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:04,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:04,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:04,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:04,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:43:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:04,323 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:04,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:04,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:04,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:04,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:04,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:04,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:04,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:04,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:04,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:04,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:04,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:04,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:43:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:04,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:04,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:04,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:04,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:04,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:04,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:04,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:04,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:04,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:04,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:04,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:04,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:43:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:04,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:04,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:04,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:04,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:04,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:04,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:04,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:04,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:04,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:04,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:04,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:04,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:04,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:43:04,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:04,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:04,335 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:04,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:04,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:04,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:04,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:04,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:04,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:04,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:04,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:04,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:04,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:04,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:43:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:04,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:04,349 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:04,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:04,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:04,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:43:04,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:04,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:04,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:04,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:04,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:04,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:04,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:04,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:43:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:04,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:04,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:04,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:04,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:04,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:43:04,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:04,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:04,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:04,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:04,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:04,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:43:04,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:04,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:43:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:04,390 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:04,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:04,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:04,391 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:04,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:43:04,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:04,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:43:04,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:04,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:43:04,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-24 15:43:04,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:43:04,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:04,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:43:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:04,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:04,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:04,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:04,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:04,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:43:04,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:04,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:43:04,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:04,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:43:04,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:04,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-24 15:43:04,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:04,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:43:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:04,456 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:04,457 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:04,457 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:04,457 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:04,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:43:04,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:04,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:43:04,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:04,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:43:04,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:04,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:43:04,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:04,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:43:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:04,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:04,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:04,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:04,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:04,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:43:04,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:04,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:04,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:04,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:04,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:04,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:04,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:04,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:43:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:04,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:04,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:04,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:04,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:04,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:43:04,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:04,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:04,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:04,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:04,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:04,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:04,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:04,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:43:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:04,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:04,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:04,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:04,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:04,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:43:04,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:04,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:43:04,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:04,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:43:04,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:04,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:43:04,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:04,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:43:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:04,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:04,559 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:04,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:04,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:04,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:43:04,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:04,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:43:04,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:04,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:43:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:43:04,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:04,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:43:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:04,602 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:04,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:04,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:04,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:04,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:04,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:04,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:04,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:04,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:43:04,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:04,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:43:04,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:04,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:43:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:04,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:04,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:04,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:04,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:04,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:43:04,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:04,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:04,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:04,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:04,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:04,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:43:04,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:04,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:43:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:04,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:04,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:04,654 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:04,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:04,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:04,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:04,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:04,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:04,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:04,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:43:04,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:04,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:04,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-24 15:43:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:04,656 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:04,656 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:04,656 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:04,657 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:04,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:04,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:04,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:04,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:43:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:04,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:04,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:43:04,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1656616660] [2020-09-24 15:43:04,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:43:04,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 15:43:04,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47370855] [2020-09-24 15:43:04,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 15:43:04,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:43:04,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 15:43:04,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:43:04,686 INFO L87 Difference]: Start difference. First operand 1127 states and 1263 transitions. Second operand 16 states. [2020-09-24 15:43:05,269 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:43:06,312 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:43:07,573 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:43:07,933 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:08,310 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:43:08,653 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:08,961 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:43:09,264 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:43:09,562 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:09,885 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:10,223 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:43:10,567 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:10,874 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:43:11,208 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:11,878 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-24 15:43:12,603 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 15:43:13,233 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188