/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_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:42:20,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:42:20,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:42:20,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:42:20,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:42:20,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:42:20,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:42:20,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:42:20,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:42:20,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:42:20,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:42:20,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:42:20,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:42:20,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:42:20,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:42:20,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:42:20,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:42:20,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:42:20,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:42:20,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:42:20,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:42:20,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:42:20,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:42:20,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:42:20,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:42:20,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:42:20,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:42:20,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:42:20,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:42:20,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:42:20,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:42:20,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:42:20,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:42:20,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:42:20,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:42:20,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:42:20,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:42:20,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:42:20,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:42:20,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:42:20,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:42:20,173 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 15:42:20,200 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:42:20,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:42:20,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:42:20,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:42:20,202 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:42:20,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:42:20,202 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:42:20,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:42:20,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:42:20,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:42:20,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:42:20,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:42:20,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:42:20,204 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:42:20,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:42:20,204 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:42:20,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:42:20,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:42:20,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:42:20,205 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:42:20,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:42:20,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:42:20,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:42:20,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:42:20,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:42:20,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:42:20,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:42:20,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:42:20,207 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:42:20,207 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 15:42:20,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:42:20,671 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:42:20,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:42:20,676 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:42:20,679 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:42:20,680 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_productSimulator.cil.c [2020-09-24 15:42:20,756 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7917a479b/07a547ab811f481bb289343f5e2b5f99/FLAGaad9b808f [2020-09-24 15:42:21,443 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:42:21,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_productSimulator.cil.c [2020-09-24 15:42:21,458 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7917a479b/07a547ab811f481bb289343f5e2b5f99/FLAGaad9b808f [2020-09-24 15:42:21,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7917a479b/07a547ab811f481bb289343f5e2b5f99 [2020-09-24 15:42:21,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:42:21,653 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:42:21,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:42:21,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:42:21,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:42:21,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:42:21" (1/1) ... [2020-09-24 15:42:21,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5d0024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:21, skipping insertion in model container [2020-09-24 15:42:21,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:42:21" (1/1) ... [2020-09-24 15:42:21,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:42:21,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:42:22,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:42:22,230 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:42:22,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:42:22,457 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:42:22,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:22 WrapperNode [2020-09-24 15:42:22,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:42:22,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:42:22,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:42:22,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:42:22,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:22" (1/1) ... [2020-09-24 15:42:22,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:22" (1/1) ... [2020-09-24 15:42:22,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:22" (1/1) ... [2020-09-24 15:42:22,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:22" (1/1) ... [2020-09-24 15:42:22,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:22" (1/1) ... [2020-09-24 15:42:22,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:22" (1/1) ... [2020-09-24 15:42:22,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:22" (1/1) ... [2020-09-24 15:42:22,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:42:22,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:42:22,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:42:22,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:42:22,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:22" (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 15:42:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:42:22,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:42:22,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:42:22,675 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:42:22,675 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:42:22,676 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-24 15:42:22,676 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-24 15:42:22,676 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-24 15:42:22,677 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-24 15:42:22,677 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-24 15:42:22,677 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-24 15:42:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:42:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-24 15:42:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-24 15:42:22,678 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:42:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:42:22,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:42:22,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:42:22,680 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:42:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:42:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:42:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:42:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:42:22,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:42:22,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:42:22,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:42:22,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:42:22,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:42:22,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:42:22,684 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:42:22,684 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:42:22,684 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:42:22,684 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:42:22,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-24 15:42:22,685 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:42:22,685 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:42:22,685 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:42:22,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:42:22,685 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:42:22,686 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:42:22,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:42:22,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:42:22,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:42:22,686 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:42:22,686 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:42:22,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:42:22,687 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:42:22,687 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:42:22,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:42:22,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:42:22,687 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:42:22,688 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:42:22,688 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:42:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:42:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:42:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:42:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:42:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:42:22,690 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:42:22,690 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:42:22,690 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:42:22,691 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:42:22,691 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:42:22,691 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:42:22,691 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:42:22,691 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:42:22,692 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:42:22,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-24 15:42:22,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:42:22,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-24 15:42:22,692 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:42:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-24 15:42:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-24 15:42:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:42:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-24 15:42:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-24 15:42:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:42:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-24 15:42:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-24 15:42:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-24 15:42:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:42:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:42:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:42:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:42:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:42:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:42:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:42:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:42:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:42:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:42:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:42:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:42:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:42:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:42:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:42:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:42:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:42:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:42:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:42:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:42:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:42:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:42:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:42:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:42:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:42:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:42:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:42:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:42:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:42:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:42:24,022 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:42:24,023 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:42:24,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:42:24 BoogieIcfgContainer [2020-09-24 15:42:24,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:42:24,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:42:24,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:42:24,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:42:24,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:42:21" (1/3) ... [2020-09-24 15:42:24,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f1878c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:42:24, skipping insertion in model container [2020-09-24 15:42:24,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:22" (2/3) ... [2020-09-24 15:42:24,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f1878c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:42:24, skipping insertion in model container [2020-09-24 15:42:24,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:42:24" (3/3) ... [2020-09-24 15:42:24,040 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_productSimulator.cil.c [2020-09-24 15:42:24,051 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:42:24,065 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:42:24,088 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:42:24,125 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:42:24,126 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:42:24,126 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:42:24,126 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:42:24,126 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:42:24,126 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:42:24,127 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:42:24,127 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:42:24,158 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states. [2020-09-24 15:42:24,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-09-24 15:42:24,182 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:24,184 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:42:24,184 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:24,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:24,193 INFO L82 PathProgramCache]: Analyzing trace with hash -539985006, now seen corresponding path program 1 times [2020-09-24 15:42:24,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:24,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [478497249] [2020-09-24 15:42:24,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:24,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:24,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:24,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:24,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:24,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-24 15:42:24,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:24,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:42:24,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:24,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:24,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-09-24 15:42:24,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:24,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:25,233 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 15:42:25,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,267 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:42:25,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:25,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:25,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:25,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:25,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:25,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 15:42:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:25,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:25,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:25,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:25,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:25,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:25,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 15:42:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,394 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,394 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,394 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,395 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:42:25,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:25,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:25,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:25,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:25,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:25,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,412 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,412 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,412 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:25,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:25,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:25,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:25,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:25,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:25,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 15:42:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,418 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,419 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,419 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:25,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:25,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:25,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:25,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:25,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:25,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:42:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,425 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:25,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:25,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:25,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:25,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:25,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:25,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 15:42:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,432 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,433 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,433 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,433 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:25,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:25,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:25,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:25,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:25,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:25,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 15:42:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,439 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,440 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:25,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:25,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:25,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:25,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:25,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:25,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 15:42:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,446 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,447 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:25,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:25,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:25,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:25,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:25,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:25,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 15:42:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:25,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:25,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:25,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:25,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:25,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:25,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:42:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:25,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:25,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:25,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:25,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:25,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:25,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-24 15:42:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,470 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,470 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:25,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:25,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:25,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:25,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:25,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:25,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 15:42:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:25,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:25,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:25,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:25,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:25,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:25,558 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 15:42:25,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [478497249] [2020-09-24 15:42:25,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:25,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:42:25,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430268604] [2020-09-24 15:42:25,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:42:25,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:25,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:42:25,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:42:25,585 INFO L87 Difference]: Start difference. First operand 415 states. Second operand 5 states. [2020-09-24 15:42:28,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:28,226 INFO L93 Difference]: Finished difference Result 666 states and 807 transitions. [2020-09-24 15:42:28,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 15:42:28,228 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 224 [2020-09-24 15:42:28,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:28,252 INFO L225 Difference]: With dead ends: 666 [2020-09-24 15:42:28,253 INFO L226 Difference]: Without dead ends: 422 [2020-09-24 15:42:28,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:42:28,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-09-24 15:42:28,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 364. [2020-09-24 15:42:28,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-09-24 15:42:28,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 410 transitions. [2020-09-24 15:42:28,396 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 410 transitions. Word has length 224 [2020-09-24 15:42:28,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:28,397 INFO L479 AbstractCegarLoop]: Abstraction has 364 states and 410 transitions. [2020-09-24 15:42:28,398 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:42:28,398 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 410 transitions. [2020-09-24 15:42:28,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-09-24 15:42:28,404 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:28,405 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:42:28,405 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:42:28,405 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:28,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:28,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1802220362, now seen corresponding path program 1 times [2020-09-24 15:42:28,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:28,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1906689613] [2020-09-24 15:42:28,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-09-24 15:42:28,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:42:28,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:28,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 222 [2020-09-24 15:42:28,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:42:28,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,863 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 15:42:28,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:42:28,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:28,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:28,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:28,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:28,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 15:42:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,974 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,975 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:28,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:28,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:28,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:28,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:28,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:29,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 15:42:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:29,006 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:29,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:29,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:29,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:29,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:42:29,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:29,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:29,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:29,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:29,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:29,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:29,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:29,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:29,020 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:29,020 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:29,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:29,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:29,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:29,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:29,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:29,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:29,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:29,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:29,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:29,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:29,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 15:42:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:29,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:29,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:29,026 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:29,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:29,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:29,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:29,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:29,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:29,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:29,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:29,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:29,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:29,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:42:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:29,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:29,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:29,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:29,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:29,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:29,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:29,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:29,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:29,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:29,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:29,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:29,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:29,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 15:42:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:29,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:29,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:29,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:29,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:29,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:29,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:29,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:29,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:29,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:29,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:29,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:29,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:29,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 15:42:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:29,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:29,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:29,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:29,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:29,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:29,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:29,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:29,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:29,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:29,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:29,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:29,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:29,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 15:42:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:29,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:29,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:29,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:29,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:29,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:29,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:29,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:29,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:29,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:29,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:29,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:29,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:29,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 15:42:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:29,060 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:29,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:29,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:29,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:29,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:29,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:29,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:29,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:29,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:29,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:29,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:29,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:29,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:42:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:29,066 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:29,066 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:29,066 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:29,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:29,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:29,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:29,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:29,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:29,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:29,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:29,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:29,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:29,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-24 15:42:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:29,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:29,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:29,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:29,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:29,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:29,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:29,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:29,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:29,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:29,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:29,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:29,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:29,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-09-24 15:42:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:29,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:29,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:29,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:29,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:29,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:29,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:29,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:29,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:29,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:29,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:29,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:29,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:29,159 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 15:42:29,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1906689613] [2020-09-24 15:42:29,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:29,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:42:29,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833907188] [2020-09-24 15:42:29,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:42:29,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:29,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:42:29,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:42:29,164 INFO L87 Difference]: Start difference. First operand 364 states and 410 transitions. Second operand 6 states. [2020-09-24 15:42:30,210 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 15:42:32,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:32,364 INFO L93 Difference]: Finished difference Result 575 states and 670 transitions. [2020-09-24 15:42:32,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 15:42:32,365 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 225 [2020-09-24 15:42:32,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:32,372 INFO L225 Difference]: With dead ends: 575 [2020-09-24 15:42:32,372 INFO L226 Difference]: Without dead ends: 405 [2020-09-24 15:42:32,375 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:42:32,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2020-09-24 15:42:32,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 354. [2020-09-24 15:42:32,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2020-09-24 15:42:32,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 397 transitions. [2020-09-24 15:42:32,432 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 397 transitions. Word has length 225 [2020-09-24 15:42:32,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:32,433 INFO L479 AbstractCegarLoop]: Abstraction has 354 states and 397 transitions. [2020-09-24 15:42:32,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:42:32,433 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 397 transitions. [2020-09-24 15:42:32,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-24 15:42:32,437 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:32,438 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:42:32,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:42:32,438 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:32,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:32,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1784223748, now seen corresponding path program 1 times [2020-09-24 15:42:32,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:32,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [280642822] [2020-09-24 15:42:32,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:32,577 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-24 15:42:32,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:32,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:32,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:32,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-09-24 15:42:32,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:32,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 15:42:32,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:32,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:42:32,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-09-24 15:42:32,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-09-24 15:42:32,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:33,147 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 15:42:33,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:33,195 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:33,195 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:33,196 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:33,196 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:33,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:42:33,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:33,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:33,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:33,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:33,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:33,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-24 15:42:33,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:33,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 15:42:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:33,281 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:33,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:33,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:33,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:33,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:33,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:33,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:33,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:33,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:33,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:33,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:42:33,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:33,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 15:42:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:33,333 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:33,333 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:33,333 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:33,333 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:33,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:42:33,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:33,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:33,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:33,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:33,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:33,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 15:42:33,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:33,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:33,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:33,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:33,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:33,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:33,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:33,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:33,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:33,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:33,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:33,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:33,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:33,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:33,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 15:42:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:33,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:33,363 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:33,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:33,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:33,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:33,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:33,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:33,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:33,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:33,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:33,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:33,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:33,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:42:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:33,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:33,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:33,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:33,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:33,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:33,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:33,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:33,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:33,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:33,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:33,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:33,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:33,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 15:42:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:33,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:33,386 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:33,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:33,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:33,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:33,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:33,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:33,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:33,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:33,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:33,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:33,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:33,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 15:42:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:33,394 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:33,394 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:33,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:33,395 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:33,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:33,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:33,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:33,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:33,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:33,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:33,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:33,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:33,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 15:42:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:33,402 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:33,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:33,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:33,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:33,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:33,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:33,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:33,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:33,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:33,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:33,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:33,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:33,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 15:42:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:33,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:33,422 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:33,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:33,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:33,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:33,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:33,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:33,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:33,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:33,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:33,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:33,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:33,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:42:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:33,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:33,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:33,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:33,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:33,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:33,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:33,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:33,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:33,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:33,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:33,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:33,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:33,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-09-24 15:42:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:33,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:33,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:33,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:33,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:33,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:33,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:33,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:33,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:33,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:33,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:33,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:33,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:33,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-24 15:42:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:33,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:33,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:33,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:33,448 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:33,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:33,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:33,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:33,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:33,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:33,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:33,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:33,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:33,556 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 15:42:33,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [280642822] [2020-09-24 15:42:33,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:33,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:42:33,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66848238] [2020-09-24 15:42:33,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:42:33,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:33,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:42:33,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:42:33,562 INFO L87 Difference]: Start difference. First operand 354 states and 397 transitions. Second operand 6 states. [2020-09-24 15:42:34,287 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 15:42:38,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:38,505 INFO L93 Difference]: Finished difference Result 831 states and 983 transitions. [2020-09-24 15:42:38,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 15:42:38,506 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 235 [2020-09-24 15:42:38,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:38,513 INFO L225 Difference]: With dead ends: 831 [2020-09-24 15:42:38,513 INFO L226 Difference]: Without dead ends: 629 [2020-09-24 15:42:38,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:42:38,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2020-09-24 15:42:38,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 546. [2020-09-24 15:42:38,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2020-09-24 15:42:38,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 628 transitions. [2020-09-24 15:42:38,624 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 628 transitions. Word has length 235 [2020-09-24 15:42:38,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:38,625 INFO L479 AbstractCegarLoop]: Abstraction has 546 states and 628 transitions. [2020-09-24 15:42:38,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:42:38,626 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 628 transitions. [2020-09-24 15:42:38,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-09-24 15:42:38,631 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:38,631 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:42:38,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:42:38,632 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:38,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:38,632 INFO L82 PathProgramCache]: Analyzing trace with hash -52491671, now seen corresponding path program 1 times [2020-09-24 15:42:38,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:38,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [740731050] [2020-09-24 15:42:38,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:38,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:38,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:38,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:38,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:38,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-09-24 15:42:38,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:38,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 15:42:38,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:38,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:42:38,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-09-24 15:42:38,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-09-24 15:42:38,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:39,266 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 15:42:39,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:39,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:39,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:39,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:39,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:39,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:42:39,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:39,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:39,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:39,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:39,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:39,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-24 15:42:39,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:39,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 15:42:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:39,390 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:39,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:39,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:39,391 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:39,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:39,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:39,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:39,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:39,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:39,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:39,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:42:39,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:39,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 15:42:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:39,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:39,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:39,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:39,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:39,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:42:39,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:39,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:39,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:39,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:39,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:39,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 15:42:39,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:39,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:39,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:39,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:39,443 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:39,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:39,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:39,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:39,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:39,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:39,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:39,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:39,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:39,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:39,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 15:42:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:39,449 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:39,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:39,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:39,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:39,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:39,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:39,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:39,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:39,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:39,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:39,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:39,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:39,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:42:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:39,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:39,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:39,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:39,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:39,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:39,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:39,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:39,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:39,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:39,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:39,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:39,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 15:42:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:39,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:39,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:39,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:39,461 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:39,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:39,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:39,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:39,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:39,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:39,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:39,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:39,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:39,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 15:42:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:39,467 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:39,467 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:39,467 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:39,468 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:39,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:39,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:39,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:39,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:39,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:39,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:39,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:39,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:39,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 15:42:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:39,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:39,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:39,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:39,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:39,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:39,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:39,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:39,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:39,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:39,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:39,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:39,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:39,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 15:42:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:39,483 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:39,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:39,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:39,484 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:39,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:39,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:39,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:39,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:39,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:39,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:39,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:39,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:39,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:42:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:39,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:39,491 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:39,491 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:39,491 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:39,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:39,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:39,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:39,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:39,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:39,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:39,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:39,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:39,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-24 15:42:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:39,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:39,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:39,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:39,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:39,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:39,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:39,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:39,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:39,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:39,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:39,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:42:39,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:39,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 15:42:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:39,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:39,525 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:39,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:39,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:39,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:39,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:39,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:42:39,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:39,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:39,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:39,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:39,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:39,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-24 15:42:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:39,557 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:39,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:39,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:39,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:39,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:39,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:39,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:39,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:39,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:39,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:39,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:39,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:39,642 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 15:42:39,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [740731050] [2020-09-24 15:42:39,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:39,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:42:39,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848354098] [2020-09-24 15:42:39,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:42:39,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:39,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:42:39,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:42:39,644 INFO L87 Difference]: Start difference. First operand 546 states and 628 transitions. Second operand 11 states. [2020-09-24 15:42:40,383 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 15:42:42,694 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 15:42:43,192 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 15:42:43,851 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 15:42:44,293 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 15:42:44,864 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 15:42:45,427 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-24 15:42:45,869 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 15:42:46,632 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 15:42:49,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:49,337 INFO L93 Difference]: Finished difference Result 1500 states and 1832 transitions. [2020-09-24 15:42:49,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:42:49,338 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 244 [2020-09-24 15:42:49,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:49,347 INFO L225 Difference]: With dead ends: 1500 [2020-09-24 15:42:49,347 INFO L226 Difference]: Without dead ends: 1106 [2020-09-24 15:42:49,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=218, Invalid=538, Unknown=0, NotChecked=0, Total=756 [2020-09-24 15:42:49,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2020-09-24 15:42:49,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 913. [2020-09-24 15:42:49,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 913 states. [2020-09-24 15:42:49,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1069 transitions. [2020-09-24 15:42:49,517 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1069 transitions. Word has length 244 [2020-09-24 15:42:49,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:49,518 INFO L479 AbstractCegarLoop]: Abstraction has 913 states and 1069 transitions. [2020-09-24 15:42:49,518 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:42:49,518 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1069 transitions. [2020-09-24 15:42:49,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-09-24 15:42:49,524 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:49,524 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:42:49,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:42:49,525 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:49,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:49,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1229880781, now seen corresponding path program 1 times [2020-09-24 15:42:49,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:49,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [624115013] [2020-09-24 15:42:49,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-09-24 15:42:49,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-24 15:42:49,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:42:49,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-09-24 15:42:49,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-09-24 15:42:49,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,068 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 15:42:50,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:42:50,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:42:50,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 15:42:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:50,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:50,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:42:50,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 15:42:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,210 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:42:50,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:50,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 15:42:50,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,223 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,224 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:50,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:50,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:50,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 15:42:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:50,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:50,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:50,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:42:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:50,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:50,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:50,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 15:42:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,242 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,242 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,242 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,242 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:50,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:50,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:50,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 15:42:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,247 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,248 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,248 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,248 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:50,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:50,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:50,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 15:42:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:42:50,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:50,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:50,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:50,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 15:42:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:50,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:50,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:50,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:42:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,274 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:50,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:50,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:50,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:50,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 40 [2020-09-24 15:42:50,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-24 15:42:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:50,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:50,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:42:50,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:50,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 15:42:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,365 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,366 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:50,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:50,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:42:50,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 15:42:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,381 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:50,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:50,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:50,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:50,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-24 15:42:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:50,390 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:50,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:50,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:50,391 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:50,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:50,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:50,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:42:50,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:50,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:50,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:50,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:50,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:50,510 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 15:42:50,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [624115013] [2020-09-24 15:42:50,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:50,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 15:42:50,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913811594] [2020-09-24 15:42:50,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:42:50,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:50,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:42:50,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:42:50,514 INFO L87 Difference]: Start difference. First operand 913 states and 1069 transitions. Second operand 12 states. [2020-09-24 15:42:51,207 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 15:42:53,614 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 15:42:53,932 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 15:42:54,314 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 15:42:54,671 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 15:42:55,021 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 15:42:56,086 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 15:42:56,434 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 15:42:56,941 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 15:42:59,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:59,627 INFO L93 Difference]: Finished difference Result 2446 states and 3146 transitions. [2020-09-24 15:42:59,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-24 15:42:59,627 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 249 [2020-09-24 15:42:59,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:59,637 INFO L225 Difference]: With dead ends: 2446 [2020-09-24 15:42:59,637 INFO L226 Difference]: Without dead ends: 1685 [2020-09-24 15:42:59,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=339, Invalid=851, Unknown=0, NotChecked=0, Total=1190 [2020-09-24 15:42:59,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1685 states. [2020-09-24 15:42:59,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1685 to 1433. [2020-09-24 15:42:59,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1433 states. [2020-09-24 15:42:59,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1433 states and 1749 transitions. [2020-09-24 15:42:59,847 INFO L78 Accepts]: Start accepts. Automaton has 1433 states and 1749 transitions. Word has length 249 [2020-09-24 15:42:59,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:59,847 INFO L479 AbstractCegarLoop]: Abstraction has 1433 states and 1749 transitions. [2020-09-24 15:42:59,847 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:42:59,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 1749 transitions. [2020-09-24 15:42:59,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-09-24 15:42:59,853 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:59,853 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:42:59,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:42:59,854 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:59,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:59,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1567732772, now seen corresponding path program 1 times [2020-09-24 15:42:59,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:59,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [30626180] [2020-09-24 15:42:59,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:59,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:59,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:59,969 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:59,969 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:59,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 348 [2020-09-24 15:42:59,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:59,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 15:42:59,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:59,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:42:59,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-09-24 15:42:59,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-09-24 15:42:59,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,340 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 15:43:00,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:43:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,381 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:43:00,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:00,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-24 15:43:00,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 15:43:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:43:00,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:00,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:43:00,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:00,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 15:43:00,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,488 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,488 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:43:00,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:00,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 15:43:00,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:43:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:43:00,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:00,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:00,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 15:43:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:43:00,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:00,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:00,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:43:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,513 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,513 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:43:00,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:00,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:00,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 15:43:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,518 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,518 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,519 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,519 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:43:00,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:00,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:00,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 15:43:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,525 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,525 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:43:00,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:00,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:00,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 15:43:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:43:00,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:00,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:00,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 15:43:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:00,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:00,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:43:00,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:43:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:00,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:00,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:00,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:43:00,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-24 15:43:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,568 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,568 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,568 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,568 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:43:00,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:00,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:43:00,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-24 15:43:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,593 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,594 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 15:43:00,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:43:00,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:43:00,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-24 15:43:00,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:43:00,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:43:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,633 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,633 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,633 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 15:43:00,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:43:00,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:43:00,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:43:00,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:43:00,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:43:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:43:00,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:43:00,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:43:00,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:43:00,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:43:00,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:43:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,664 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:43:00,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:43:00,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:43:00,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:43:00,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:43:00,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:00,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:43:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,685 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,685 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:43:00,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:43:00,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:43:00,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:43:00,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:43:00,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:43:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:43:00,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:43:00,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:43:00,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:43:00,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:43:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:43:00,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:00,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-24 15:43:00,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:00,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:43:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:43:00,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:00,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:00,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:00,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-09-24 15:43:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:00,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:00,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:43:00,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:00,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-09-24 15:43:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:00,779 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:00,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:00,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:00,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:00,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:00,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:00,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:00,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:00,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:00,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:43:00,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:00,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:00,876 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 15:43:00,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [30626180] [2020-09-24 15:43:00,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:43:00,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 15:43:00,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385637209] [2020-09-24 15:43:00,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:43:00,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:43:00,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:43:00,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:43:00,880 INFO L87 Difference]: Start difference. First operand 1433 states and 1749 transitions. Second operand 12 states. [2020-09-24 15:43:01,737 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 15:43:04,100 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 15:43:04,487 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 15:43:04,935 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 15:43:05,296 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 15:43:05,729 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 15:43:06,113 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 15:43:10,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:43:10,003 INFO L93 Difference]: Finished difference Result 4214 states and 5635 transitions. [2020-09-24 15:43:10,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 15:43:10,011 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 289 [2020-09-24 15:43:10,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:43:10,028 INFO L225 Difference]: With dead ends: 4214 [2020-09-24 15:43:10,028 INFO L226 Difference]: Without dead ends: 2933 [2020-09-24 15:43:10,035 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=265, Invalid=791, Unknown=0, NotChecked=0, Total=1056 [2020-09-24 15:43:10,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2933 states. [2020-09-24 15:43:10,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2933 to 2355. [2020-09-24 15:43:10,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2355 states. [2020-09-24 15:43:10,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 2355 states and 2837 transitions. [2020-09-24 15:43:10,469 INFO L78 Accepts]: Start accepts. Automaton has 2355 states and 2837 transitions. Word has length 289 [2020-09-24 15:43:10,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:43:10,469 INFO L479 AbstractCegarLoop]: Abstraction has 2355 states and 2837 transitions. [2020-09-24 15:43:10,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:43:10,470 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 2837 transitions. [2020-09-24 15:43:10,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-09-24 15:43:10,476 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:43:10,477 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:43:10,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:43:10,477 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:43:10,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:43:10,477 INFO L82 PathProgramCache]: Analyzing trace with hash 332197249, now seen corresponding path program 1 times [2020-09-24 15:43:10,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:43:10,482 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1343616344] [2020-09-24 15:43:10,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:43:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:10,570 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:10,570 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:10,570 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:10,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:10,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 348 [2020-09-24 15:43:10,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:10,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:43:10,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:10,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:43:10,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 286 [2020-09-24 15:43:10,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:43:10,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:10,927 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 15:43:10,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:43:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:10,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:10,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:10,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:10,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:10,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:43:10,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:10,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:10,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:10,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:10,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:10,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:10,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:11,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 15:43:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:11,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:11,060 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:11,060 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:11,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:11,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:43:11,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:11,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:11,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:11,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:11,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:11,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:11,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:11,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 15:43:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:11,082 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:11,082 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:11,082 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:11,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:11,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:43:11,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:11,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:11,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:11,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:11,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:11,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:11,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:11,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:43:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:11,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:11,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:11,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:11,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:11,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:43:11,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:11,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:11,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:11,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:11,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:11,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:11,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:11,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 15:43:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:11,096 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:11,096 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:11,096 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:11,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:11,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:43:11,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:11,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:11,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:11,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:11,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:11,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:11,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:11,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:43:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:11,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:11,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:11,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:11,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:11,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:43:11,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:11,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:11,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:11,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:11,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:11,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:11,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:11,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 15:43:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:11,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:11,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:11,110 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:11,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:11,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:43:11,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:11,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:11,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:11,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:11,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:11,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:11,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:11,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 15:43:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:11,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:11,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:11,116 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:11,116 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:11,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:43:11,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:11,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:11,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:11,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:11,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:11,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:11,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:11,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 15:43:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:11,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:11,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:11,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:11,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:11,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 15:43:11,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:11,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:11,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:11,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:11,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:11,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:11,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:11,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 15:43:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:11,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:11,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:11,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:11,131 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:11,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:11,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:11,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:11,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:11,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:11,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:11,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:11,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:11,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:43:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:11,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:11,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:11,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:11,135 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:11,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:11,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:11,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:11,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:11,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:11,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:11,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:11,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:11,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-24 15:43:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:11,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:11,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:11,148 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:11,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:11,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:43:11,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:11,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:11,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:11,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:11,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:11,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:11,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:11,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-24 15:43:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:11,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:11,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:11,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:11,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:11,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 15:43:11,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:11,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:43:11,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:11,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:43:11,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-24 15:43:11,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:43:11,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:11,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:43:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:11,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:11,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:11,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:11,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:11,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 15:43:11,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:11,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:43:11,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:11,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:43:11,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-24 15:43:11,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:43:11,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:11,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:43:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:11,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:11,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:11,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:11,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:11,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:43:11,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:11,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:43:11,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:11,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:43:11,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-24 15:43:11,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:43:11,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:11,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:43:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:11,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:11,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:11,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:11,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:11,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:43:11,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:11,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:43:11,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:11,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:43:11,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:43:11,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:43:11,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:11,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:43:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:11,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:11,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:11,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:11,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:11,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:43:11,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:11,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:43:11,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:11,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:43:11,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:11,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:43:11,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:11,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:43:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:11,301 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:11,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:11,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:11,302 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:11,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:43:11,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:11,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:11,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:11,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:11,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:11,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:11,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:11,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:43:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:11,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:11,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:11,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:11,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:11,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:43:11,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:11,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:11,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:11,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:11,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-24 15:43:11,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:11,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:11,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:43:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:11,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:11,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:11,313 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:11,313 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:11,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:43:11,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:11,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:11,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:11,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:11,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:11,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:11,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:11,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-09-24 15:43:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:11,323 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:11,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:11,324 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:11,324 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:11,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:11,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:11,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:11,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:11,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:11,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:43:11,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:11,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:11,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-09-24 15:43:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:11,328 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:11,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:11,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:11,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:11,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:11,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:11,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:11,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:11,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:11,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:43:11,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:11,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:11,397 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 15:43:11,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1343616344] [2020-09-24 15:43:11,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:43:11,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 15:43:11,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638564846] [2020-09-24 15:43:11,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:43:11,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:43:11,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:43:11,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:43:11,399 INFO L87 Difference]: Start difference. First operand 2355 states and 2837 transitions. Second operand 12 states. [2020-09-24 15:43:13,746 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 15:43:14,133 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 15:43:14,545 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 15:43:14,941 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 15:43:15,359 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 15:43:15,724 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 211