/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:52:52,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:52:52,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:52:52,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:52:52,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:52:52,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:52:52,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:52:52,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:52:52,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:52:52,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:52:52,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:52:52,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:52:52,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:52:52,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:52:52,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:52:52,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:52:52,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:52:52,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:52:52,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:52:52,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:52:52,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:52:52,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:52:52,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:52:52,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:52:52,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:52:52,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:52:52,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:52:52,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:52:52,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:52:52,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:52:52,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:52:52,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:52:52,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:52:52,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:52:52,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:52:52,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:52:52,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:52:52,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:52:52,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:52:52,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:52:52,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:52:52,800 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 15:52:52,826 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:52:52,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:52:52,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:52:52,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:52:52,828 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:52:52,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:52:52,828 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:52:52,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:52:52,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:52:52,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:52:52,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:52:52,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:52:52,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:52:52,829 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:52:52,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:52:52,830 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:52:52,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:52:52,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:52:52,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:52:52,831 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:52:52,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:52:52,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:52:52,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:52:52,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:52:52,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:52:52,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:52:52,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:52:52,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:52:52,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:52:52,833 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 15:52:53,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:52:53,297 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:52:53,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:52:53,303 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:52:53,304 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:52:53,305 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2020-09-24 15:52:53,384 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81dd10b5e/3e5764ded6044b658bfa787a289e393b/FLAG0bfb16bb4 [2020-09-24 15:52:54,023 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:52:54,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2020-09-24 15:52:54,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81dd10b5e/3e5764ded6044b658bfa787a289e393b/FLAG0bfb16bb4 [2020-09-24 15:52:54,248 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81dd10b5e/3e5764ded6044b658bfa787a289e393b [2020-09-24 15:52:54,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:52:54,267 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:52:54,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:52:54,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:52:54,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:52:54,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:52:54" (1/1) ... [2020-09-24 15:52:54,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e5903c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:54, skipping insertion in model container [2020-09-24 15:52:54,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:52:54" (1/1) ... [2020-09-24 15:52:54,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:52:54,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:52:54,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:52:54,789 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:52:54,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:52:55,037 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:52:55,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:55 WrapperNode [2020-09-24 15:52:55,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:52:55,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:52:55,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:52:55,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:52:55,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:55" (1/1) ... [2020-09-24 15:52:55,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:55" (1/1) ... [2020-09-24 15:52:55,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:55" (1/1) ... [2020-09-24 15:52:55,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:55" (1/1) ... [2020-09-24 15:52:55,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:55" (1/1) ... [2020-09-24 15:52:55,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:55" (1/1) ... [2020-09-24 15:52:55,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:55" (1/1) ... [2020-09-24 15:52:55,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:52:55,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:52:55,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:52:55,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:52:55,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:55" (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 15:52:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:52:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:52:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:52:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:52:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:52:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:52:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:52:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:52:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:52:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:52:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:52:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:52:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:52:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:52:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:52:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:52:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:52:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:52:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:52:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:52:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:52:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:52:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:52:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:52:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:52:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:52:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:52:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:52:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:52:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:52:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:52:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:52:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:52:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:52:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:52:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:52:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:52:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:52:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:52:55,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:52:55,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:52:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:52:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:52:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:52:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:52:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:52:55,221 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:52:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:52:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:52:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:52:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:52:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:52:55,222 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:52:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:52:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:52:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:52:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:52:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:52:55,223 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:52:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:52:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:52:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:52:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:52:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:52:55,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:52:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:52:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:52:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:52:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:52:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:52:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:52:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:52:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:52:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:52:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:52:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:52:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:52:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:52:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:52:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:52:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:52:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:52:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:52:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:52:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:52:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:52:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:52:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:52:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:52:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:52:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:52:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:52:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:52:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:52:56,421 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:52:56,424 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:52:56,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:52:56 BoogieIcfgContainer [2020-09-24 15:52:56,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:52:56,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:52:56,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:52:56,441 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:52:56,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:52:54" (1/3) ... [2020-09-24 15:52:56,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3160f483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:52:56, skipping insertion in model container [2020-09-24 15:52:56,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:55" (2/3) ... [2020-09-24 15:52:56,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3160f483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:52:56, skipping insertion in model container [2020-09-24 15:52:56,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:52:56" (3/3) ... [2020-09-24 15:52:56,447 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2020-09-24 15:52:56,458 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:52:56,471 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:52:56,493 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:52:56,523 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:52:56,523 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:52:56,523 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:52:56,524 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:52:56,524 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:52:56,524 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:52:56,524 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:52:56,524 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:52:56,552 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states. [2020-09-24 15:52:56,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 15:52:56,569 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:52:56,571 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:52:56,571 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:52:56,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:52:56,579 INFO L82 PathProgramCache]: Analyzing trace with hash -956249494, now seen corresponding path program 1 times [2020-09-24 15:52:56,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:52:56,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1308389473] [2020-09-24 15:52:56,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:52:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:56,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:56,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:56,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:56,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:56,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 15:52:56,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:56,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:52:56,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:56,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:56,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:52:56,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:56,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:57,384 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:52:57,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:52:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:57,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:57,458 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:57,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:57,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:57,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:52:57,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:57,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:52:57,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:57,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:57,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:57,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:57,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:57,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:52:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:57,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:57,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:57,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:57,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:57,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:57,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:57,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:57,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:57,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:57,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:57,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:57,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:57,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:52:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:57,569 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:57,570 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:57,570 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:57,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:57,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:57,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:57,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:57,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:57,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:57,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:57,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:57,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:57,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:52:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:57,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:57,576 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:57,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:57,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:57,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:57,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:57,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:57,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:57,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:57,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:57,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:57,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:57,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:52:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:57,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:57,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:57,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:57,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:57,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:57,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:57,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:57,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:57,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:57,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:57,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:57,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:57,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:52:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:57,603 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:57,603 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:57,604 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:57,604 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:57,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:52:57,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:57,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:57,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:57,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:57,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:57,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:57,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:57,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:52:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:57,612 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:57,612 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:57,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:57,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:57,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:52:57,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:57,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:57,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:57,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:57,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:52:57,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:57,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:57,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:52:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:57,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:57,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:57,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:57,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:57,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:57,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:57,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:57,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:57,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:57,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:57,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:57,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:57,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:52:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:57,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:57,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:57,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:57,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:57,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:57,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:57,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:57,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:57,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:57,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:57,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:57,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:57,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:52:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:57,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:57,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:57,637 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:57,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:57,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:57,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:57,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:57,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:57,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:57,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:57,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:57,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:57,695 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:52:57,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1308389473] [2020-09-24 15:52:57,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:52:57,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:52:57,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545150997] [2020-09-24 15:52:57,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:52:57,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:52:57,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:52:57,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:52:57,730 INFO L87 Difference]: Start difference. First operand 300 states. Second operand 4 states. [2020-09-24 15:52:58,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:52:58,961 INFO L93 Difference]: Finished difference Result 458 states and 539 transitions. [2020-09-24 15:52:58,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:52:58,967 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-24 15:52:58,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:52:58,997 INFO L225 Difference]: With dead ends: 458 [2020-09-24 15:52:58,998 INFO L226 Difference]: Without dead ends: 294 [2020-09-24 15:52:59,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:52:59,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-09-24 15:52:59,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 249. [2020-09-24 15:52:59,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-09-24 15:52:59,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 270 transitions. [2020-09-24 15:52:59,102 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 270 transitions. Word has length 160 [2020-09-24 15:52:59,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:52:59,103 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 270 transitions. [2020-09-24 15:52:59,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:52:59,103 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 270 transitions. [2020-09-24 15:52:59,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:52:59,108 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:52:59,109 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:52:59,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:52:59,109 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:52:59,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:52:59,110 INFO L82 PathProgramCache]: Analyzing trace with hash 475672823, now seen corresponding path program 1 times [2020-09-24 15:52:59,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:52:59,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [442612905] [2020-09-24 15:52:59,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:52:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-24 15:52:59,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:52:59,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:59,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:52:59,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:52:59,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,531 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:52:59,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:52:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:52:59,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:52:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:59,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:52:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:59,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:52:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:59,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:59,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:52:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:59,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:59,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:52:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,625 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,625 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:52:59,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:59,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:52:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,633 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,633 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:52:59,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:52:59,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:52:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,638 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,639 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,639 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,639 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:59,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:59,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:52:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,645 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,645 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,646 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:59,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:59,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:52:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:59,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:59,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:59,725 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:52:59,725 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [442612905] [2020-09-24 15:52:59,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:52:59,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:52:59,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996946636] [2020-09-24 15:52:59,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:52:59,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:52:59,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:52:59,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:52:59,733 INFO L87 Difference]: Start difference. First operand 249 states and 270 transitions. Second operand 5 states. [2020-09-24 15:53:00,492 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:01,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:01,414 INFO L93 Difference]: Finished difference Result 378 states and 425 transitions. [2020-09-24 15:53:01,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:53:01,414 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-24 15:53:01,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:01,420 INFO L225 Difference]: With dead ends: 378 [2020-09-24 15:53:01,421 INFO L226 Difference]: Without dead ends: 283 [2020-09-24 15:53:01,423 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:53:01,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-09-24 15:53:01,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 239. [2020-09-24 15:53:01,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-09-24 15:53:01,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 257 transitions. [2020-09-24 15:53:01,464 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 257 transitions. Word has length 161 [2020-09-24 15:53:01,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:01,467 INFO L479 AbstractCegarLoop]: Abstraction has 239 states and 257 transitions. [2020-09-24 15:53:01,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:53:01,467 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 257 transitions. [2020-09-24 15:53:01,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-24 15:53:01,475 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:01,475 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:01,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:53:01,476 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:01,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:01,476 INFO L82 PathProgramCache]: Analyzing trace with hash 408311169, now seen corresponding path program 1 times [2020-09-24 15:53:01,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:01,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1425197264] [2020-09-24 15:53:01,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,610 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:53:01,611 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,611 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,611 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-24 15:53:01,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 15:53:01,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:53:01,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:53:01,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-24 15:53:01,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:02,069 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:02,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:02,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:02,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:02,120 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:02,120 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:02,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:02,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:02,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:02,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:02,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:02,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:02,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:53:02,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:02,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:02,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:02,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:02,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:02,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:02,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:02,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:02,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:02,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:02,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:02,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:02,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:02,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:02,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:02,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:02,197 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:02,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:02,198 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:02,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:02,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:02,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:02,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:02,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:02,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:02,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:02,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:02,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:02,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:02,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:02,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:02,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:02,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:02,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:02,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:02,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:02,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:02,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:02,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:02,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:02,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:02,216 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:02,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:02,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:02,218 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:02,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:02,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:02,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:02,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:02,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:02,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:02,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:02,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:02,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:02,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:02,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:02,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:02,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:02,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:02,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:02,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:02,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:02,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:02,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:53:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:02,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:02,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:02,251 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:02,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:02,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:02,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:02,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:02,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:02,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:02,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:02,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:02,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:02,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:02,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:02,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:02,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:02,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:02,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:02,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:02,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:02,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:02,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:02,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:02,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:02,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:02,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:53:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:02,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:02,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:02,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:02,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:02,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:02,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:02,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:02,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:02,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:02,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:02,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:02,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:02,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 15:53:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:02,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:02,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:02,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:02,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:02,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:02,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:02,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:02,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:02,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:02,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:02,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:02,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:02,407 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:02,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1425197264] [2020-09-24 15:53:02,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:02,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:53:02,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383396408] [2020-09-24 15:53:02,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:53:02,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:02,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:53:02,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:53:02,411 INFO L87 Difference]: Start difference. First operand 239 states and 257 transitions. Second operand 5 states. [2020-09-24 15:53:02,932 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:04,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:04,414 INFO L93 Difference]: Finished difference Result 537 states and 611 transitions. [2020-09-24 15:53:04,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:53:04,415 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2020-09-24 15:53:04,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:04,426 INFO L225 Difference]: With dead ends: 537 [2020-09-24 15:53:04,427 INFO L226 Difference]: Without dead ends: 413 [2020-09-24 15:53:04,431 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:53:04,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-09-24 15:53:04,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 351. [2020-09-24 15:53:04,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-09-24 15:53:04,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 386 transitions. [2020-09-24 15:53:04,528 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 386 transitions. Word has length 170 [2020-09-24 15:53:04,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:04,530 INFO L479 AbstractCegarLoop]: Abstraction has 351 states and 386 transitions. [2020-09-24 15:53:04,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:53:04,530 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 386 transitions. [2020-09-24 15:53:04,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-09-24 15:53:04,535 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:04,535 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:04,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:53:04,535 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:04,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:04,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1346113494, now seen corresponding path program 1 times [2020-09-24 15:53:04,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:04,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1817359084] [2020-09-24 15:53:04,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:04,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:04,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:04,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:04,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:04,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-24 15:53:04,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:04,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 15:53:04,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:04,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:53:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:53:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:53:04,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:05,070 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:05,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:05,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:05,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:05,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:05,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:05,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:05,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:05,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:05,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:05,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:05,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:05,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:53:05,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:05,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:05,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:05,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:05,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:05,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:05,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:05,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:05,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:05,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:05,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:05,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:05,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:05,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:05,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:05,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:05,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:05,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:05,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:05,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:05,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:05,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:05,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:05,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:05,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:05,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:05,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:05,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:05,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:05,325 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:05,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:05,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:05,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:05,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:05,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:05,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:05,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:05,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:05,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:05,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:05,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:05,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:05,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:05,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:05,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:05,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:05,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:05,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:53:05,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:05,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:05,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:05,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:05,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:05,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:05,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:05,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:05,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:05,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:05,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:05,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:05,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:05,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:05,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:05,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:53:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:05,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:05,384 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:05,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:05,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:05,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:05,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:05,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:05,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:05,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:05,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:05,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:05,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:05,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:05,393 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:05,394 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:05,394 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:05,395 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:05,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:05,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:05,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:05,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:05,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:05,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:05,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:05,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:05,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:53:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:05,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:05,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:05,419 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:05,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:05,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:53:05,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:05,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:05,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:05,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:53:05,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:53:05,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:53:05,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:05,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:05,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:05,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:05,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:05,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:05,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:05,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:05,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:05,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:05,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:05,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:05,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:05,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:05,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-09-24 15:53:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:05,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:05,531 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:05,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:05,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:05,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:05,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:05,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:05,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:05,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:05,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:05,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:05,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:05,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-24 15:53:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:05,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:05,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:05,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:05,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:05,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:05,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:05,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:53:05,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:05,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:05,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:05,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:05,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:05,604 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:05,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1817359084] [2020-09-24 15:53:05,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:05,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:53:05,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855700469] [2020-09-24 15:53:05,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:53:05,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:05,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:53:05,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:53:05,611 INFO L87 Difference]: Start difference. First operand 351 states and 386 transitions. Second operand 8 states. [2020-09-24 15:53:06,370 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:08,018 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:08,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:08,690 INFO L93 Difference]: Finished difference Result 899 states and 1057 transitions. [2020-09-24 15:53:08,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:53:08,691 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2020-09-24 15:53:08,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:08,699 INFO L225 Difference]: With dead ends: 899 [2020-09-24 15:53:08,699 INFO L226 Difference]: Without dead ends: 663 [2020-09-24 15:53:08,705 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:53:08,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2020-09-24 15:53:08,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 564. [2020-09-24 15:53:08,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2020-09-24 15:53:08,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 627 transitions. [2020-09-24 15:53:08,824 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 627 transitions. Word has length 178 [2020-09-24 15:53:08,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:08,825 INFO L479 AbstractCegarLoop]: Abstraction has 564 states and 627 transitions. [2020-09-24 15:53:08,825 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:53:08,825 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 627 transitions. [2020-09-24 15:53:08,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-24 15:53:08,828 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:08,828 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:08,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:53:08,829 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:08,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:08,829 INFO L82 PathProgramCache]: Analyzing trace with hash -116734929, now seen corresponding path program 1 times [2020-09-24 15:53:08,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:08,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [990420696] [2020-09-24 15:53:08,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:08,988 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:08,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:08,988 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:08,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:08,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-24 15:53:08,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:08,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-24 15:53:08,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:08,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:53:08,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:53:08,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 15:53:08,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:09,422 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:09,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:09,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:09,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:09,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:09,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:09,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:09,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:09,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:09,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:09,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:09,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:09,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:53:09,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:09,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:09,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:09,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:09,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:09,509 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:09,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:09,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:09,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:09,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:09,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:09,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:09,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:09,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:09,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:09,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:09,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:09,515 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:09,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:09,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:09,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:09,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:09,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:09,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:09,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:09,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:09,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:09,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:09,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:09,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:09,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:09,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:09,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:09,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:09,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:09,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:09,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:09,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:09,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:09,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:09,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:09,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:09,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:09,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:09,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:09,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:09,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:09,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:09,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:09,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:09,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:09,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:09,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:09,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:09,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:09,545 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:09,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:09,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:09,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:09,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:09,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:09,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:09,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:09,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:09,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:09,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:09,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:53:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:09,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:09,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:09,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:09,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:09,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:09,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:09,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:09,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:09,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:09,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:09,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:53:09,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:09,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:53:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:09,571 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:09,571 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:09,571 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:09,571 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:09,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:09,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:09,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:09,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:09,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:09,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:09,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:09,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:09,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:09,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:09,576 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:09,576 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:09,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:09,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:09,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:09,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:09,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:09,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:09,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:09,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:09,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:09,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-24 15:53:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:09,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:09,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:09,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:09,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:09,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:09,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:09,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:09,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:09,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:09,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:09,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:09,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:09,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-24 15:53:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:09,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:09,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:09,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:09,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:09,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:09,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:09,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:09,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:09,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:09,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:09,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:09,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:09,655 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:53:09,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [990420696] [2020-09-24 15:53:09,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:09,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:53:09,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914194570] [2020-09-24 15:53:09,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:53:09,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:09,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:53:09,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:53:09,657 INFO L87 Difference]: Start difference. First operand 564 states and 627 transitions. Second operand 10 states. [2020-09-24 15:53:10,268 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:11,159 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:11,493 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:12,561 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:12,897 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:13,260 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:13,946 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:14,259 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:14,569 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:14,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:14,911 INFO L93 Difference]: Finished difference Result 1095 states and 1258 transitions. [2020-09-24 15:53:14,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:53:14,912 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-24 15:53:14,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:14,919 INFO L225 Difference]: With dead ends: 1095 [2020-09-24 15:53:14,919 INFO L226 Difference]: Without dead ends: 646 [2020-09-24 15:53:14,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:53:14,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2020-09-24 15:53:15,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 562. [2020-09-24 15:53:15,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-09-24 15:53:15,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 621 transitions. [2020-09-24 15:53:15,008 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 621 transitions. Word has length 179 [2020-09-24 15:53:15,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:15,009 INFO L479 AbstractCegarLoop]: Abstraction has 562 states and 621 transitions. [2020-09-24 15:53:15,009 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:53:15,009 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 621 transitions. [2020-09-24 15:53:15,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-24 15:53:15,014 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:15,015 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:15,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:53:15,015 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:15,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:15,016 INFO L82 PathProgramCache]: Analyzing trace with hash 73432979, now seen corresponding path program 1 times [2020-09-24 15:53:15,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:15,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1454347703] [2020-09-24 15:53:15,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-24 15:53:15,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:53:15,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:15,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 195 [2020-09-24 15:53:15,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:15,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:15,428 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:15,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,439 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,440 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:15,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:15,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:15,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:15,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:15,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:15,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,488 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,488 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:15,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:15,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,495 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,495 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:15,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:15,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,513 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:15,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:15,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:53:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,518 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,518 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:15,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:15,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,525 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:15,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:15,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:15,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:53:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,553 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:15,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:53:15,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:53:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:15,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,604 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,604 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:15,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:15,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:15,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:15,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:53:15,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,644 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:15,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:15,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:15,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:15,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:53:15,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-24 15:53:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:15,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:15,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:15,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-24 15:53:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:15,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:15,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:15,660 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:15,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:15,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:15,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:15,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:15,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:15,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:15,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:15,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:15,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:15,708 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:15,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1454347703] [2020-09-24 15:53:15,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:15,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:53:15,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739680848] [2020-09-24 15:53:15,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:53:15,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:15,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:53:15,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:53:15,710 INFO L87 Difference]: Start difference. First operand 562 states and 621 transitions. Second operand 10 states. [2020-09-24 15:53:17,313 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:17,596 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:17,832 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:18,131 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:18,483 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:18,843 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:19,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:19,376 INFO L93 Difference]: Finished difference Result 1118 states and 1287 transitions. [2020-09-24 15:53:19,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 15:53:19,376 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 203 [2020-09-24 15:53:19,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:19,383 INFO L225 Difference]: With dead ends: 1118 [2020-09-24 15:53:19,383 INFO L226 Difference]: Without dead ends: 671 [2020-09-24 15:53:19,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:53:19,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2020-09-24 15:53:19,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 578. [2020-09-24 15:53:19,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2020-09-24 15:53:19,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 637 transitions. [2020-09-24 15:53:19,460 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 637 transitions. Word has length 203 [2020-09-24 15:53:19,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:19,461 INFO L479 AbstractCegarLoop]: Abstraction has 578 states and 637 transitions. [2020-09-24 15:53:19,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:53:19,461 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 637 transitions. [2020-09-24 15:53:19,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-24 15:53:19,466 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:19,466 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:19,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:53:19,467 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:19,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:19,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1066360845, now seen corresponding path program 1 times [2020-09-24 15:53:19,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:19,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1869855240] [2020-09-24 15:53:19,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:53:19,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -82 [2020-09-24 15:53:19,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 82 [2020-09-24 15:53:19,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-24 15:53:19,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:53:19,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:19,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-09-24 15:53:19,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:19,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,857 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:19,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,867 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:19,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:19,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,910 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,911 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,911 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,911 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:19,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:19,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:19,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:19,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,927 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,927 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:19,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:19,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,936 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:19,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:19,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,948 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:19,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:19,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:53:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:19,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:19,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,960 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,961 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:19,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:53:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,978 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:19,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:19,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:19,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:53:19,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:19,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:20,001 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:20,002 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:20,002 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:20,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:20,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:20,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:20,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:53:20,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:20,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:20,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:53:20,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:20,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:20,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:20,028 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:20,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:20,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:20,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:20,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:20,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:20,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:20,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:20,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:53:20,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:20,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:20,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:53:20,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:20,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:20,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:20,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:20,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:20,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:20,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:20,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:20,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:20,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:20,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:53:20,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:20,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:20,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-24 15:53:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:20,066 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:20,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:20,067 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:20,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:20,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:20,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:20,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:20,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:20,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:20,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:20,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:20,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:20,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-24 15:53:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:20,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:20,073 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:20,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:20,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:20,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:20,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:20,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:20,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:20,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:20,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:20,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:20,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:20,106 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:20,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1869855240] [2020-09-24 15:53:20,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:20,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:53:20,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873570069] [2020-09-24 15:53:20,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:53:20,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:20,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:53:20,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:53:20,114 INFO L87 Difference]: Start difference. First operand 578 states and 637 transitions. Second operand 9 states. [2020-09-24 15:53:21,424 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:21,735 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:22,080 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:22,407 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:22,682 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:23,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:23,293 INFO L93 Difference]: Finished difference Result 1156 states and 1338 transitions. [2020-09-24 15:53:23,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:53:23,299 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 203 [2020-09-24 15:53:23,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:23,303 INFO L225 Difference]: With dead ends: 1156 [2020-09-24 15:53:23,304 INFO L226 Difference]: Without dead ends: 693 [2020-09-24 15:53:23,305 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:53:23,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2020-09-24 15:53:23,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 590. [2020-09-24 15:53:23,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-09-24 15:53:23,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 649 transitions. [2020-09-24 15:53:23,369 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 649 transitions. Word has length 203 [2020-09-24 15:53:23,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:23,369 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 649 transitions. [2020-09-24 15:53:23,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:53:23,369 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 649 transitions. [2020-09-24 15:53:23,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-24 15:53:23,373 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:23,373 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:23,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:53:23,373 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:23,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:23,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1097483760, now seen corresponding path program 1 times [2020-09-24 15:53:23,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:23,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1688106002] [2020-09-24 15:53:23,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,460 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,460 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,460 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,461 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-24 15:53:23,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 15:53:23,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:53:23,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:53:23,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:53:23,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,778 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:23,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,814 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,814 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,814 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:23,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:23,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:53:23,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:23,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:23,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:23,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,863 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,864 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,864 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,864 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:23,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:23,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:23,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:23,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:23,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:23,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,874 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,874 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:23,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:23,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:23,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,890 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:23,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:23,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:23,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:53:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,899 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:23,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:23,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:23,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,905 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,905 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,905 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:23,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:23,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:23,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:23,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:53:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,929 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:23,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:23,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-24 15:53:23,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 15:53:23,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:23,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,957 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:23,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:23,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:23,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:23,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:23,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:23,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:53:23,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:24,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:24,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:24,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:24,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:24,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:24,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:24,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:24,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:24,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:24,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:24,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:24,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:24,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:24,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-24 15:53:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:24,016 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:24,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:24,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:24,017 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:24,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:24,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:24,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:24,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:24,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:24,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:24,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:24,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:24,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-24 15:53:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:24,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:24,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:24,024 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:24,024 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:24,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:24,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:24,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:24,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:24,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:24,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:24,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:24,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:24,141 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:24,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1688106002] [2020-09-24 15:53:24,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:24,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:53:24,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928485308] [2020-09-24 15:53:24,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:53:24,145 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:24,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:53:24,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:53:24,145 INFO L87 Difference]: Start difference. First operand 590 states and 649 transitions. Second operand 7 states. [2020-09-24 15:53:24,668 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:25,317 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:27,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:27,437 INFO L93 Difference]: Finished difference Result 1647 states and 1934 transitions. [2020-09-24 15:53:27,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:53:27,437 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 203 [2020-09-24 15:53:27,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:27,444 INFO L225 Difference]: With dead ends: 1647 [2020-09-24 15:53:27,444 INFO L226 Difference]: Without dead ends: 1172 [2020-09-24 15:53:27,446 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:53:27,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2020-09-24 15:53:27,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1075. [2020-09-24 15:53:27,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2020-09-24 15:53:27,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1206 transitions. [2020-09-24 15:53:27,552 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1206 transitions. Word has length 203 [2020-09-24 15:53:27,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:27,552 INFO L479 AbstractCegarLoop]: Abstraction has 1075 states and 1206 transitions. [2020-09-24 15:53:27,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:53:27,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1206 transitions. [2020-09-24 15:53:27,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-24 15:53:27,555 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:27,555 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:27,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:53:27,556 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:27,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:27,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1214904163, now seen corresponding path program 1 times [2020-09-24 15:53:27,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:27,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2083824574] [2020-09-24 15:53:27,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:27,687 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:27,688 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -57 [2020-09-24 15:53:27,688 FATAL L256 erpolLogProxyWrapper]: Difference in width: 57 [2020-09-24 15:53:27,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:27,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-24 15:53:27,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:27,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-24 15:53:27,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:27,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:53:27,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:53:27,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-09-24 15:53:27,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,028 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:28,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:28,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:53:28,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:28,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:28,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:28,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:28,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:28,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:28,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:28,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,128 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,128 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,129 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,129 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:28,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:28,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,143 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:28,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:28,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:53:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:28,164 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,165 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:28,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:53:28,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:28,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:53:28,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:28,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:53:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,215 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:28,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:28,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:28,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:28,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:28,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:53:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,246 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:28,247 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,247 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,247 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:28,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:28,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:28,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 15:53:28,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:28,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:28,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:28,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,273 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,274 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:28,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:28,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:28,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,279 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:28,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:28,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:28,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:28,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-24 15:53:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:28,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:28,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:28,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:28,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:28,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:28,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 15:53:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:28,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:28,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:28,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:28,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:28,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:28,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:28,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:28,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:28,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:28,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:28,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:28,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:28,395 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:28,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2083824574] [2020-09-24 15:53:28,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:28,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-24 15:53:28,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376143389] [2020-09-24 15:53:28,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:53:28,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:28,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:53:28,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:53:28,398 INFO L87 Difference]: Start difference. First operand 1075 states and 1206 transitions. Second operand 14 states. [2020-09-24 15:53:28,888 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:29,707 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:31,230 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-24 15:53:31,859 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-24 15:53:32,221 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:32,553 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:32,948 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:33,271 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:34,859 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:35,179 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:53:35,545 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:36,198 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-24 15:53:37,026 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 199 [2020-09-24 15:53:37,801 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-24 15:53:38,563 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-24 15:53:39,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:39,142 INFO L93 Difference]: Finished difference Result 3011 states and 3508 transitions. [2020-09-24 15:53:39,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-09-24 15:53:39,143 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 208 [2020-09-24 15:53:39,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:39,153 INFO L225 Difference]: With dead ends: 3011 [2020-09-24 15:53:39,153 INFO L226 Difference]: Without dead ends: 2252 [2020-09-24 15:53:39,156 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 727 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=571, Invalid=1979, Unknown=0, NotChecked=0, Total=2550 [2020-09-24 15:53:39,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2252 states. [2020-09-24 15:53:39,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2252 to 1917. [2020-09-24 15:53:39,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1917 states. [2020-09-24 15:53:39,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1917 states and 2127 transitions. [2020-09-24 15:53:39,387 INFO L78 Accepts]: Start accepts. Automaton has 1917 states and 2127 transitions. Word has length 208 [2020-09-24 15:53:39,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:39,388 INFO L479 AbstractCegarLoop]: Abstraction has 1917 states and 2127 transitions. [2020-09-24 15:53:39,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 15:53:39,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 2127 transitions. [2020-09-24 15:53:39,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-09-24 15:53:39,391 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:39,392 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:53:39,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:53:39,392 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:39,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:39,393 INFO L82 PathProgramCache]: Analyzing trace with hash -170920037, now seen corresponding path program 1 times [2020-09-24 15:53:39,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:39,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [619377617] [2020-09-24 15:53:39,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,475 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:53:39,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -109 [2020-09-24 15:53:39,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 109 [2020-09-24 15:53:39,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 328 [2020-09-24 15:53:39,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:53:39,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:53:39,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 214 [2020-09-24 15:53:39,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-24 15:53:39,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,807 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:39,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,815 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:39,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:39,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,855 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,855 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:39,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:39,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,874 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:39,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:39,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:39,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:39,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:53:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,904 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,904 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,904 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:39,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:39,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 15:53:39,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:53:39,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,958 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,958 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:39,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:39,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:39,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:39,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:53:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,984 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:39,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:39,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:39,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 15:53:39,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:39,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:39,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:39,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:39,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:39,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:39,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:39,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:39,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:39,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:39,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:39,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:39,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:39,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,000 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,000 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,001 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,001 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:40,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:40,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:40,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:40,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,007 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:40,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:40,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:53:40,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:40,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-24 15:53:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:53:40,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:40,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:53:40,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,021 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,021 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:40,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:40,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:40,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-24 15:53:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:40,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:40,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:40,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:40,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:40,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:40,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:53:40,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:53:40,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:40,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 15:53:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:40,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:40,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:53:40,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-24 15:53:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,160 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,160 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:53:40,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:40,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:53:40,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,165 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:40,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:40,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:40,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-24 15:53:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,170 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,170 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,171 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:40,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:40,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:40,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-24 15:53:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:40,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:40,176 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:40,176 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:40,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:40,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:40,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:40,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:40,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:40,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:40,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:40,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:40,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:40,235 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-09-24 15:53:40,235 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [619377617] [2020-09-24 15:53:40,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:53:40,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 15:53:40,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180937028] [2020-09-24 15:53:40,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:53:40,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:40,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:53:40,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:53:40,237 INFO L87 Difference]: Start difference. First operand 1917 states and 2127 transitions. Second operand 14 states. [2020-09-24 15:53:41,468 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:41,814 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-24 15:53:42,098 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:42,466 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-24 15:53:42,827 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:53:43,299 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-24 15:53:43,629 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-24 15:53:44,777 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:45,644 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:45,960 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:46,587 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-24 15:53:47,078 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:47,703 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:48,056 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:53:49,007 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 195 [2020-09-24 15:53:49,391 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:49,703 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:50,017 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 194