/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_spec2_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:45:35,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:45:35,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:45:35,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:45:35,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:45:35,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:45:35,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:45:35,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:45:35,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:45:35,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:45:35,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:45:35,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:45:35,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:45:35,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:45:35,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:45:35,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:45:35,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:45:35,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:45:35,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:45:35,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:45:35,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:45:35,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:45:35,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:45:35,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:45:35,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:45:35,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:45:35,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:45:35,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:45:35,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:45:35,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:45:35,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:45:35,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:45:35,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:45:35,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:45:35,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:45:35,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:45:35,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:45:35,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:45:35,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:45:35,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:45:35,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:45:35,870 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 15:45:35,896 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:45:35,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:45:35,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:45:35,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:45:35,898 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:45:35,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:45:35,898 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:45:35,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:45:35,898 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:45:35,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:45:35,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:45:35,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:45:35,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:45:35,899 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:45:35,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:45:35,900 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:45:35,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:45:35,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:45:35,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:45:35,901 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:45:35,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:45:35,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:45:35,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:45:35,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:45:35,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:45:35,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:45:35,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:45:35,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:45:35,902 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:45:35,903 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 15:45:36,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:45:36,348 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:45:36,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:45:36,354 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:45:36,354 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:45:36,355 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2020-09-24 15:45:36,435 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/33754e64c/6a546abbe3ea4896a6ccbfc6c2a5fa63/FLAGdd18911b0 [2020-09-24 15:45:37,092 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:45:37,093 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2020-09-24 15:45:37,131 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/33754e64c/6a546abbe3ea4896a6ccbfc6c2a5fa63/FLAGdd18911b0 [2020-09-24 15:45:37,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/33754e64c/6a546abbe3ea4896a6ccbfc6c2a5fa63 [2020-09-24 15:45:37,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:45:37,365 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:45:37,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:45:37,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:45:37,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:45:37,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:45:37" (1/1) ... [2020-09-24 15:45:37,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217e3fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:37, skipping insertion in model container [2020-09-24 15:45:37,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:45:37" (1/1) ... [2020-09-24 15:45:37,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:45:37,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:45:37,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:45:37,968 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:45:38,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:45:38,120 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:45:38,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:38 WrapperNode [2020-09-24 15:45:38,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:45:38,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:45:38,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:45:38,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:45:38,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:38" (1/1) ... [2020-09-24 15:45:38,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:38" (1/1) ... [2020-09-24 15:45:38,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:38" (1/1) ... [2020-09-24 15:45:38,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:38" (1/1) ... [2020-09-24 15:45:38,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:38" (1/1) ... [2020-09-24 15:45:38,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:38" (1/1) ... [2020-09-24 15:45:38,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:38" (1/1) ... [2020-09-24 15:45:38,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:45:38,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:45:38,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:45:38,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:45:38,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:38" (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 15:45:38,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:45:38,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:45:38,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:45:38,337 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:45:38,337 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:45:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:45:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:45:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:45:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:45:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:45:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:45:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:45:38,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:45:38,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:45:38,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:45:38,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:45:38,344 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:45:38,344 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:45:38,344 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:45:38,346 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:45:38,346 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 15:45:38,346 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:45:38,346 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:45:38,347 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:45:38,347 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:45:38,348 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:45:38,348 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:45:38,348 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:45:38,348 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:45:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:45:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:45:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:45:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:45:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:45:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:45:38,350 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:45:38,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:45:38,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:45:38,350 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:45:38,350 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:45:38,351 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:45:38,353 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:45:38,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:45:38,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:45:38,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:45:38,355 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:45:38,355 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:45:38,355 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:45:38,355 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:45:38,355 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:45:38,356 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:45:38,356 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:45:38,356 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:45:38,356 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:45:38,357 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:45:38,357 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:45:38,357 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:45:38,357 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:45:38,357 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:45:38,358 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:45:38,358 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:45:38,358 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:45:38,358 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:45:38,358 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:45:38,358 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:45:38,359 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:45:38,359 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:45:38,359 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:45:38,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:45:38,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:45:38,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:45:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:45:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:45:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:45:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:45:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:45:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:45:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:45:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:45:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:45:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:45:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:45:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:45:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:45:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:45:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:45:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:45:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:45:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:45:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:45:38,365 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:45:38,365 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:45:38,365 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:45:38,365 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 15:45:38,365 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:45:38,365 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:45:38,366 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:45:38,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:45:38,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:45:38,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:45:39,520 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:45:39,521 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:45:39,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:45:39 BoogieIcfgContainer [2020-09-24 15:45:39,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:45:39,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:45:39,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:45:39,537 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:45:39,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:45:37" (1/3) ... [2020-09-24 15:45:39,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc7562c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:45:39, skipping insertion in model container [2020-09-24 15:45:39,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:45:38" (2/3) ... [2020-09-24 15:45:39,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc7562c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:45:39, skipping insertion in model container [2020-09-24 15:45:39,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:45:39" (3/3) ... [2020-09-24 15:45:39,541 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54.cil.c [2020-09-24 15:45:39,554 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:45:39,568 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:45:39,590 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:45:39,622 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:45:39,622 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:45:39,622 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:45:39,622 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:45:39,622 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:45:39,623 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:45:39,623 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:45:39,623 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:45:39,654 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states. [2020-09-24 15:45:39,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 15:45:39,672 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:39,674 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:39,675 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:39,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:39,683 INFO L82 PathProgramCache]: Analyzing trace with hash -757984097, now seen corresponding path program 1 times [2020-09-24 15:45:39,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:39,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [414550818] [2020-09-24 15:45:39,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:40,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:40,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:40,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:40,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:40,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:45:40,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:40,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:45:40,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:40,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:40,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:45:40,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:40,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:40,629 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:40,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:40,667 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:40,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:40,668 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:40,668 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:40,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:40,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:40,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:40,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:40,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:40,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:40,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:40,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:40,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:40,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:40,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:40,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:40,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:40,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:40,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:40,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:40,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:40,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:40,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:40,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:40,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:40,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:40,775 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:40,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:40,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:40,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:40,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:40,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:40,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:40,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:40,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:40,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:40,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:40,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:40,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:40,780 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:40,780 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:40,781 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:40,781 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:40,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:40,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:40,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:40,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:40,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:40,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:40,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:40,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:40,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:40,786 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:40,787 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:40,787 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:40,787 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:40,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:40,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:40,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:40,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:40,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:40,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:40,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:40,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:40,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:40,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:40,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:40,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:40,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:40,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:40,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:40,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:40,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:40,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:40,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:40,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:40,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:40,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:40,807 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:40,807 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:40,807 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:40,807 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:40,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:40,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:40,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:40,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:40,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:40,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:40,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:40,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:40,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:45:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:40,813 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:40,813 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:40,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:40,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:40,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:40,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:40,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:40,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:40,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:40,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:40,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:40,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:40,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:40,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [414550818] [2020-09-24 15:45:40,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:40,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:45:40,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869282447] [2020-09-24 15:45:40,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:45:40,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:40,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:45:40,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:45:40,873 INFO L87 Difference]: Start difference. First operand 345 states. Second operand 4 states. [2020-09-24 15:45:42,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:42,465 INFO L93 Difference]: Finished difference Result 554 states and 656 transitions. [2020-09-24 15:45:42,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:45:42,472 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-24 15:45:42,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:42,494 INFO L225 Difference]: With dead ends: 554 [2020-09-24 15:45:42,495 INFO L226 Difference]: Without dead ends: 345 [2020-09-24 15:45:42,501 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:45:42,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-09-24 15:45:42,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 294. [2020-09-24 15:45:42,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-09-24 15:45:42,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 322 transitions. [2020-09-24 15:45:42,609 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 322 transitions. Word has length 148 [2020-09-24 15:45:42,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:42,610 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 322 transitions. [2020-09-24 15:45:42,610 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:45:42,611 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 322 transitions. [2020-09-24 15:45:42,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-24 15:45:42,615 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:42,616 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:42,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:45:42,616 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:42,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:42,617 INFO L82 PathProgramCache]: Analyzing trace with hash 764850235, now seen corresponding path program 1 times [2020-09-24 15:45:42,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:42,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1959848122] [2020-09-24 15:45:42,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:42,706 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:42,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:42,706 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:42,707 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:42,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-24 15:45:42,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:42,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:45:42,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:42,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:42,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:45:42,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:42,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:43,081 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:43,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:43,095 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:43,095 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:43,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:43,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:43,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:43,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:43,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:43,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:43,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:43,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:43,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:43,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:43,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:43,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:43,141 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:43,141 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:43,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:43,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:43,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:43,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:43,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:43,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:43,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:43,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:43,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:43,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:43,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:43,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:43,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:43,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:43,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:43,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:43,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:43,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:43,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:43,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:43,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:43,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:43,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:43,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:43,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:43,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:43,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:43,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:43,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:43,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:43,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:43,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:43,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:43,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:43,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:43,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:43,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:43,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:43,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:43,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:43,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:43,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:43,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:43,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:43,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:43,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:43,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:43,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:43,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:43,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:43,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:43,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:43,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:43,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:43,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:43,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:43,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:43,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:43,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 15:45:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:43,179 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:43,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:43,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:43,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:43,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:43,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:43,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:43,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:43,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:43,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:43,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:43,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:43,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:45:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:43,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:43,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:43,185 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:43,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:43,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:43,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:43,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:43,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:43,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:43,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:43,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:43,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:43,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:43,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1959848122] [2020-09-24 15:45:43,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:43,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:45:43,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628234978] [2020-09-24 15:45:43,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:45:43,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:43,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:45:43,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:45:43,215 INFO L87 Difference]: Start difference. First operand 294 states and 322 transitions. Second operand 5 states. [2020-09-24 15:45:43,953 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:45,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:45,257 INFO L93 Difference]: Finished difference Result 479 states and 547 transitions. [2020-09-24 15:45:45,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:45:45,257 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-24 15:45:45,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:45,264 INFO L225 Difference]: With dead ends: 479 [2020-09-24 15:45:45,264 INFO L226 Difference]: Without dead ends: 334 [2020-09-24 15:45:45,266 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 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 15:45:45,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2020-09-24 15:45:45,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 284. [2020-09-24 15:45:45,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-09-24 15:45:45,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 309 transitions. [2020-09-24 15:45:45,315 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 309 transitions. Word has length 149 [2020-09-24 15:45:45,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:45,316 INFO L479 AbstractCegarLoop]: Abstraction has 284 states and 309 transitions. [2020-09-24 15:45:45,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:45:45,316 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 309 transitions. [2020-09-24 15:45:45,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-24 15:45:45,319 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:45,319 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:45,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:45:45,319 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:45,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:45,320 INFO L82 PathProgramCache]: Analyzing trace with hash 938731103, now seen corresponding path program 1 times [2020-09-24 15:45:45,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:45,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [377216090] [2020-09-24 15:45:45,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:45:45,438 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -48 [2020-09-24 15:45:45,438 FATAL L256 erpolLogProxyWrapper]: Difference in width: 48 [2020-09-24 15:45:45,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-24 15:45:45,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:45,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:45,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 15:45:45,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:45,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,830 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:45,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:45,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:45,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:45,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:45,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:45,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,924 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,924 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:45,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:45,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:45,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:45,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:45,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,931 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:45,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:45,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:45,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:45,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:45,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,936 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,937 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:45,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:45,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:45,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:45,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:45,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:45:45,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:45,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:45,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:45,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:45,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:45,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:45,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:45,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:45,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:45,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:45,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:45:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,970 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,970 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:45,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:45,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:45,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:45,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:45:45,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:45:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,978 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:45,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:45,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:45,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:45,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:45,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:45,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:45:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:45,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:45,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:45,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:45,984 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:45,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:45,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:45,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:45,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:45,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:45,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:45,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:45,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:46,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [377216090] [2020-09-24 15:45:46,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:46,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:45:46,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430974815] [2020-09-24 15:45:46,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:45:46,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:46,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:45:46,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:45:46,017 INFO L87 Difference]: Start difference. First operand 284 states and 309 transitions. Second operand 6 states. [2020-09-24 15:45:46,696 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:48,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:48,026 INFO L93 Difference]: Finished difference Result 526 states and 612 transitions. [2020-09-24 15:45:48,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 15:45:48,027 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-24 15:45:48,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:48,032 INFO L225 Difference]: With dead ends: 526 [2020-09-24 15:45:48,032 INFO L226 Difference]: Without dead ends: 357 [2020-09-24 15:45:48,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:45:48,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2020-09-24 15:45:48,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 284. [2020-09-24 15:45:48,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-09-24 15:45:48,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 308 transitions. [2020-09-24 15:45:48,093 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 308 transitions. Word has length 162 [2020-09-24 15:45:48,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:48,094 INFO L479 AbstractCegarLoop]: Abstraction has 284 states and 308 transitions. [2020-09-24 15:45:48,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:45:48,094 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 308 transitions. [2020-09-24 15:45:48,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-09-24 15:45:48,096 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:48,097 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:48,097 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:45:48,097 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:48,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:48,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1308377398, now seen corresponding path program 1 times [2020-09-24 15:45:48,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:48,098 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1073149345] [2020-09-24 15:45:48,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,211 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-24 15:45:48,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-24 15:45:48,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:45:48,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:45:48,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-24 15:45:48,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:48,587 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:48,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,626 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:48,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:48,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:48,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:48,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:45:48,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:48,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:48,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:48,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:48,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:48,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:48,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:48,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,678 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,678 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,678 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:48,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:48,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:48,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:48,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:48,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:48,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,683 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,683 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,684 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:48,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:48,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:48,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:48,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:48,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:48,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,690 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,690 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,690 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:48,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:48,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:48,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:48,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:48,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:48,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:48,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:48,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:48,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:48,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:48,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:48,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:45:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:48,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:48,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:48,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:48,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:48,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:48,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:45:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 15:45:48,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:48,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:48,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:45:48,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:45:48,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:48,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,748 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:45:48,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:48,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:45:48,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:45:48,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:48,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:48,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,761 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,761 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,761 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:45:48,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:48,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:45:48,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:45:48,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:45:48,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:48,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:48,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:48,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:48,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:48,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:48,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:48,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 15:45:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,791 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,791 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,791 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,792 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:48,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:48,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:48,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:48,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:48,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:48,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-24 15:45:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:48,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:48,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:48,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:48,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:48,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:48,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:48,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:48,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:48,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:48,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:48,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:48,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:48,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:48,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1073149345] [2020-09-24 15:45:48,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:48,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:45:48,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690713384] [2020-09-24 15:45:48,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:45:48,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:48,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:45:48,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:45:48,866 INFO L87 Difference]: Start difference. First operand 284 states and 308 transitions. Second operand 8 states. [2020-09-24 15:45:49,422 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:51,289 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:52,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:52,615 INFO L93 Difference]: Finished difference Result 720 states and 862 transitions. [2020-09-24 15:45:52,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 15:45:52,616 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 180 [2020-09-24 15:45:52,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:52,621 INFO L225 Difference]: With dead ends: 720 [2020-09-24 15:45:52,621 INFO L226 Difference]: Without dead ends: 551 [2020-09-24 15:45:52,623 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:45:52,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2020-09-24 15:45:52,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 410. [2020-09-24 15:45:52,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-09-24 15:45:52,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 443 transitions. [2020-09-24 15:45:52,695 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 443 transitions. Word has length 180 [2020-09-24 15:45:52,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:52,696 INFO L479 AbstractCegarLoop]: Abstraction has 410 states and 443 transitions. [2020-09-24 15:45:52,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:45:52,696 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 443 transitions. [2020-09-24 15:45:52,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-24 15:45:52,699 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:52,699 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:52,699 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:45:52,699 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:52,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:52,700 INFO L82 PathProgramCache]: Analyzing trace with hash 937711856, now seen corresponding path program 1 times [2020-09-24 15:45:52,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:52,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [512216357] [2020-09-24 15:45:52,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:52,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:52,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:52,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:52,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:52,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-09-24 15:45:52,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:52,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-24 15:45:52,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:52,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:45:52,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-24 15:45:52,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-09-24 15:45:52,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:53,249 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:53,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,291 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,292 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:53,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:53,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:53,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:53,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-24 15:45:53,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:53,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,348 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:53,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:53,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:53,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:53,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:53,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:53,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:53,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:53,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:53,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:53,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:53,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:53,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:53,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:53,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:53,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:53,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:53,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:53,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,370 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:53,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:53,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:53,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:53,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:53,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:53,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,394 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,394 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,394 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,394 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:53,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:53,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:53,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:53,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:53,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:53,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:45:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:53,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:53,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:53,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:53,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:53,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:53,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:45:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,442 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 15:45:53,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:53,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:53,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:53,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:45:53,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:53,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:45:53,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:53,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:53,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:53,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:53,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:53,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,462 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,463 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:45:53,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:53,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:53,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:53,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:53,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:53,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:53,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:53,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:53,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:53,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:53,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:53,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:53,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:53,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:53,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:53,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:53,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:53,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,490 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,491 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:53,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:53,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:53,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:53,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:53,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:53,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:45:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,506 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:53,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:53,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:53,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:53,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:53,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:53,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-24 15:45:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:53,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:53,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:53,542 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:53,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:53,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:53,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:53,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:53,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:53,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:53,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:53,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:53,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:53,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:45:53,646 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [512216357] [2020-09-24 15:45:53,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:53,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:45:53,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177995836] [2020-09-24 15:45:53,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:45:53,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:53,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:45:53,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:45:53,648 INFO L87 Difference]: Start difference. First operand 410 states and 443 transitions. Second operand 11 states. [2020-09-24 15:45:54,201 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:56,103 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:56,428 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:45:56,768 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:57,123 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:45:57,419 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:57,750 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:58,087 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:58,607 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:00,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:00,825 INFO L93 Difference]: Finished difference Result 1203 states and 1456 transitions. [2020-09-24 15:46:00,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-24 15:46:00,826 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 204 [2020-09-24 15:46:00,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:00,835 INFO L225 Difference]: With dead ends: 1203 [2020-09-24 15:46:00,835 INFO L226 Difference]: Without dead ends: 908 [2020-09-24 15:46:00,839 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=270, Invalid=722, Unknown=0, NotChecked=0, Total=992 [2020-09-24 15:46:00,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2020-09-24 15:46:00,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 659. [2020-09-24 15:46:00,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-09-24 15:46:00,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 717 transitions. [2020-09-24 15:46:00,964 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 717 transitions. Word has length 204 [2020-09-24 15:46:00,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:00,964 INFO L479 AbstractCegarLoop]: Abstraction has 659 states and 717 transitions. [2020-09-24 15:46:00,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:46:00,965 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 717 transitions. [2020-09-24 15:46:00,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-09-24 15:46:00,969 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:00,969 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:46:00,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:46:00,970 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:00,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:00,970 INFO L82 PathProgramCache]: Analyzing trace with hash 426769892, now seen corresponding path program 1 times [2020-09-24 15:46:00,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:00,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [164362067] [2020-09-24 15:46:00,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-09-24 15:46:01,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-24 15:46:01,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 15:46:01,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:46:01,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-09-24 15:46:01,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,425 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:01,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:01,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:01,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:01,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:46:01,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:01,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:01,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:01,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:01,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,517 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,517 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:01,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:01,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:01,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:01,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:01,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:01,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:01,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,535 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,535 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,535 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:01,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:01,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:01,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:01,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,550 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,550 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,550 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:01,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:01,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:01,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:01,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:46:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:01,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:01,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:01,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:46:01,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:46:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:01,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:01,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:01,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:01,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 15:46:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,602 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 15:46:01,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:01,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:01,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 15:46:01,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,614 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,614 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:46:01,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:01,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:01,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:01,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,623 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,623 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:46:01,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:01,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:01,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:46:01,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:01,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:01,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:01,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:46:01,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:01,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:01,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:01,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:01,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:01,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:01,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:01,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:01,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 15:46:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,657 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,657 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,657 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:01,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:01,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:01,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:01,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-09-24 15:46:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:01,665 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:01,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:01,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:01,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:01,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:01,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:01,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:01,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:01,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:01,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:01,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:01,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:01,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:46:01,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [164362067] [2020-09-24 15:46:01,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:01,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 15:46:01,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846121952] [2020-09-24 15:46:01,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:46:01,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:01,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:46:01,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:46:01,747 INFO L87 Difference]: Start difference. First operand 659 states and 717 transitions. Second operand 12 states. [2020-09-24 15:46:02,404 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:04,301 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:04,596 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:04,920 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:46:05,240 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:05,646 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:05,984 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:46:06,284 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:06,613 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:08,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:08,890 INFO L93 Difference]: Finished difference Result 1582 states and 1895 transitions. [2020-09-24 15:46:08,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-24 15:46:08,891 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 209 [2020-09-24 15:46:08,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:08,900 INFO L225 Difference]: With dead ends: 1582 [2020-09-24 15:46:08,900 INFO L226 Difference]: Without dead ends: 1038 [2020-09-24 15:46:08,902 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=429, Invalid=1211, Unknown=0, NotChecked=0, Total=1640 [2020-09-24 15:46:08,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2020-09-24 15:46:08,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 657. [2020-09-24 15:46:08,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2020-09-24 15:46:09,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 713 transitions. [2020-09-24 15:46:09,000 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 713 transitions. Word has length 209 [2020-09-24 15:46:09,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:09,001 INFO L479 AbstractCegarLoop]: Abstraction has 657 states and 713 transitions. [2020-09-24 15:46:09,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:46:09,001 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 713 transitions. [2020-09-24 15:46:09,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-09-24 15:46:09,005 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:09,005 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:46:09,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:46:09,006 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:09,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:09,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1870111159, now seen corresponding path program 1 times [2020-09-24 15:46:09,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:09,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1625441600] [2020-09-24 15:46:09,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:09,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:09,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:09,067 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:09,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:09,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-24 15:46:09,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:09,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:46:09,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:09,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:46:09,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 202 [2020-09-24 15:46:09,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:46:09,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:09,377 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:09,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:09,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:09,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:09,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:09,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:09,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:09,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:09,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:09,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:09,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:09,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:09,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:09,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:09,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:09,445 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:09,446 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:09,446 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:09,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:09,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:09,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:09,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:09,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:09,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:09,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:09,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:09,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:09,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:09,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:09,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:09,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:09,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:09,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:09,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:09,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:09,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:09,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:09,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:09,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:09,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:09,456 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:09,456 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:09,456 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:09,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:09,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:09,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:09,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:09,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:09,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:09,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:09,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:09,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:09,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:09,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:09,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:09,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:09,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:09,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:09,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:09,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:09,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:09,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:09,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:09,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:09,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:09,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:09,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:09,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:09,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:09,475 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:09,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:09,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:09,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:09,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:09,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:09,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:09,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:09,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:09,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:09,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:46:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:09,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:09,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:09,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:09,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:09,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:09,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:09,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:09,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:09,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:09,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:09,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:09,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:09,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:46:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:09,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:09,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:09,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:09,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:09,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:09,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:09,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:09,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:09,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:09,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:09,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:09,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:09,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 15:46:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:09,529 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:09,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:09,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:09,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:09,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:46:09,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:09,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:46:09,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:09,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:46:09,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:46:09,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:46:09,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:09,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:09,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:09,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:09,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:09,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:09,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:46:09,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:09,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:46:09,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:09,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:46:09,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:46:09,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:46:09,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:09,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:09,571 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:09,571 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:09,571 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:09,571 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:09,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:46:09,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:09,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:46:09,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:09,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:46:09,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:46:09,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:46:09,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:09,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:09,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:09,606 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:09,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:09,606 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:09,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:09,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:09,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:46:09,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:09,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:09,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:09,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:46:09,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:09,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:09,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:09,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:09,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:09,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:09,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:09,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:09,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:09,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:09,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:09,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:09,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:09,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:09,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:09,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:09,690 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:09,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:09,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:09,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:09,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:09,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:09,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:09,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:09,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:46:09,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:09,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:09,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-24 15:46:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:09,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:09,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:09,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:09,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:09,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:09,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:09,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:09,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:09,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:09,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:09,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:09,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:09,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-09-24 15:46:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:09,711 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:09,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:09,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:09,712 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:09,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:09,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:09,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:09,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:09,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:09,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:09,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:09,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:09,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:46:09,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1625441600] [2020-09-24 15:46:09,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:09,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 15:46:09,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839676322] [2020-09-24 15:46:09,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:46:09,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:09,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:46:09,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:46:09,789 INFO L87 Difference]: Start difference. First operand 657 states and 713 transitions. Second operand 12 states. [2020-09-24 15:46:11,304 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:46:11,616 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:46:11,935 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-24 15:46:12,241 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:12,554 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:46:12,842 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:14,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:14,646 INFO L93 Difference]: Finished difference Result 1590 states and 1917 transitions. [2020-09-24 15:46:14,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:46:14,651 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 210 [2020-09-24 15:46:14,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:14,657 INFO L225 Difference]: With dead ends: 1590 [2020-09-24 15:46:14,657 INFO L226 Difference]: Without dead ends: 1048 [2020-09-24 15:46:14,659 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=203, Invalid=499, Unknown=0, NotChecked=0, Total=702 [2020-09-24 15:46:14,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2020-09-24 15:46:14,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 673. [2020-09-24 15:46:14,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2020-09-24 15:46:14,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 729 transitions. [2020-09-24 15:46:14,749 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 729 transitions. Word has length 210 [2020-09-24 15:46:14,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:14,749 INFO L479 AbstractCegarLoop]: Abstraction has 673 states and 729 transitions. [2020-09-24 15:46:14,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:46:14,750 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 729 transitions. [2020-09-24 15:46:14,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-09-24 15:46:14,753 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:14,753 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:46:14,753 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:46:14,753 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:14,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:14,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1932439895, now seen corresponding path program 1 times [2020-09-24 15:46:14,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:14,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [668235661] [2020-09-24 15:46:14,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:14,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:46:14,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -89 [2020-09-24 15:46:14,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 89 [2020-09-24 15:46:14,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:14,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-24 15:46:14,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:14,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:46:14,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:14,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:14,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 194 [2020-09-24 15:46:14,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:14,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,136 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:15,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:15,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:15,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:15,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:15,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:15,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,184 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,184 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:15,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:15,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:15,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:15,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:15,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:15,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:15,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:15,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:15,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:15,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,192 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:15,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:15,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:15,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:15,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:15,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,197 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,197 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:15,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:15,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:15,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:15,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:15,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,210 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,211 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:15,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:15,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:15,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:46:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:15,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:15,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:15,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:15,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:15,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:46:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:15,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:15,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:15,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:15,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:15,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 15:46:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:46:15,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:15,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:15,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 15:46:15,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:15,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:46:15,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:46:15,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:15,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:46:15,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:15,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:46:15,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:46:15,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:15,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:46:15,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:15,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,312 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,312 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,312 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:15,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:46:15,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:46:15,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:46:15,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:46:15,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:46:15,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,345 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:15,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:15,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:46:15,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:15,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:15,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:46:15,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,382 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,383 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:15,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:15,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:15,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:46:15,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:15,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-24 15:46:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,391 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:15,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:15,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:15,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:15,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:15,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-09-24 15:46:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:15,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:15,399 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:15,399 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:15,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:15,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:15,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:15,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:15,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:15,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:15,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:46:15,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [668235661] [2020-09-24 15:46:15,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:15,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:46:15,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458899148] [2020-09-24 15:46:15,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:46:15,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:15,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:46:15,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:46:15,449 INFO L87 Difference]: Start difference. First operand 673 states and 729 transitions. Second operand 11 states. [2020-09-24 15:46:16,742 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:17,033 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:46:17,326 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:17,641 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:46:17,943 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:20,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:20,240 INFO L93 Difference]: Finished difference Result 1628 states and 1986 transitions. [2020-09-24 15:46:20,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 15:46:20,241 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 210 [2020-09-24 15:46:20,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:20,247 INFO L225 Difference]: With dead ends: 1628 [2020-09-24 15:46:20,247 INFO L226 Difference]: Without dead ends: 1070 [2020-09-24 15:46:20,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=180, Invalid=420, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:46:20,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2020-09-24 15:46:20,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 685. [2020-09-24 15:46:20,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2020-09-24 15:46:20,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 741 transitions. [2020-09-24 15:46:20,359 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 741 transitions. Word has length 210 [2020-09-24 15:46:20,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:20,359 INFO L479 AbstractCegarLoop]: Abstraction has 685 states and 741 transitions. [2020-09-24 15:46:20,360 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:46:20,360 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 741 transitions. [2020-09-24 15:46:20,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-09-24 15:46:20,363 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:20,363 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:46:20,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:46:20,364 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:20,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:20,364 INFO L82 PathProgramCache]: Analyzing trace with hash 207466022, now seen corresponding path program 1 times [2020-09-24 15:46:20,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:20,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1285857763] [2020-09-24 15:46:20,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,448 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-24 15:46:20,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:46:20,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:46:20,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:46:20,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-09-24 15:46:20,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,778 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:20,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,815 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:20,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:20,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:46:20,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,862 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,862 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:20,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:20,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,867 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,867 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:20,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:20,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,873 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:20,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:46:20,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:20,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,879 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,880 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:20,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:46:20,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,897 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,897 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,897 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:20,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:20,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:46:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,916 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,916 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:20,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:46:20,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:46:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,930 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,930 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:20,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:20,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 15:46:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:46:20,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-24 15:46:20,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:46:20,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,971 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,972 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:46:20,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:46:20,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:20,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:20,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:20,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:20,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:20,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:20,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:46:20,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:20,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:20,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:20,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:20,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:20,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:46:20,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:21,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:21,008 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:21,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:21,009 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:21,009 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:21,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:21,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:21,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:21,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:21,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:21,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:21,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:46:21,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:21,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:21,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:21,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:21,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:21,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:21,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:21,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:21,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:21,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:21,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:21,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:21,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:46:21,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:21,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:21,047 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:21,047 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:21,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:21,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:21,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:21,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:21,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:21,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:21,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:21,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:21,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:21,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:21,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-24 15:46:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:21,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:21,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:21,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:21,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:21,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:21,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:21,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:21,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:21,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:21,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:21,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:21,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:21,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-09-24 15:46:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:21,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:21,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:21,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:21,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:21,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:21,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:21,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:21,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:21,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:21,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:46:21,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:21,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:21,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:46:21,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1285857763] [2020-09-24 15:46:21,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:21,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:46:21,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166026361] [2020-09-24 15:46:21,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:46:21,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:21,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:46:21,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:46:21,109 INFO L87 Difference]: Start difference. First operand 685 states and 741 transitions. Second operand 9 states. [2020-09-24 15:46:21,696 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:22,454 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:46:26,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:26,055 INFO L93 Difference]: Finished difference Result 2357 states and 2966 transitions. [2020-09-24 15:46:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-24 15:46:26,055 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 210 [2020-09-24 15:46:26,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:26,065 INFO L225 Difference]: With dead ends: 2357 [2020-09-24 15:46:26,065 INFO L226 Difference]: Without dead ends: 1787 [2020-09-24 15:46:26,068 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=281, Invalid=1051, Unknown=0, NotChecked=0, Total=1332 [2020-09-24 15:46:26,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2020-09-24 15:46:26,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 1143. [2020-09-24 15:46:26,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1143 states. [2020-09-24 15:46:26,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1271 transitions. [2020-09-24 15:46:26,235 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1271 transitions. Word has length 210 [2020-09-24 15:46:26,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:46:26,235 INFO L479 AbstractCegarLoop]: Abstraction has 1143 states and 1271 transitions. [2020-09-24 15:46:26,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:46:26,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1271 transitions. [2020-09-24 15:46:26,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-09-24 15:46:26,238 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:46:26,238 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:46:26,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:46:26,239 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:46:26,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:46:26,239 INFO L82 PathProgramCache]: Analyzing trace with hash 2081434789, now seen corresponding path program 1 times [2020-09-24 15:46:26,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:46:26,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [942203128] [2020-09-24 15:46:26,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:46:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-24 15:46:26,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:46:26,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:46:26,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-24 15:46:26,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-24 15:46:26,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:26,623 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:46:26,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:46:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,633 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:46:26,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:26,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:46:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,668 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,668 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:26,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:26,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:46:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,672 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:26,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:26,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:26,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:46:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,676 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,676 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:26,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:46:26,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:26,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:46:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:46:26,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:26,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:46:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,700 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,700 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,700 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:26,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:26,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:46:26,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:26,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:46:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,717 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:26,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:26,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:46:26,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:46:26,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:46:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:46:26,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:26,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:46:26,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:26,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:46:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,755 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,756 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,756 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:26,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:26,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:46:26,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:26,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-24 15:46:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,781 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,781 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,781 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,781 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:46:26,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:46:26,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:26,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-24 15:46:26,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:26,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,790 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,790 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,791 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:46:26,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:26,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:46:26,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:26,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:46:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,805 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,805 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,806 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:46:26,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:26,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:46:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,811 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:46:26,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:26,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:46:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,817 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:46:26,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:46:26,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:46:26,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:26,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-24 15:46:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,824 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,825 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:26,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:46:26,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:26,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:26,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:26,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-24 15:46:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:46:26,843 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:46:26,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:46:26,843 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:46:26,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:46:26,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:46:26,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:46:26,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:46:26,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:46:26,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:46:26,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:46:26,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:46:26,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:46:26,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:46:26,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [942203128] [2020-09-24 15:46:26,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:46:26,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:46:26,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144378295] [2020-09-24 15:46:26,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:46:26,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:46:26,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:46:26,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:46:26,901 INFO L87 Difference]: Start difference. First operand 1143 states and 1271 transitions. Second operand 9 states. [2020-09-24 15:46:27,501 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:46:32,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:46:32,004 INFO L93 Difference]: Finished difference Result 2831 states and 3605 transitions. [2020-09-24 15:46:32,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-09-24 15:46:32,005 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 215 [2020-09-24 15:46:32,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:46:32,018 INFO L225 Difference]: With dead ends: 2831 [2020-09-24 15:46:32,019 INFO L226 Difference]: Without dead ends: 2828 [2020-09-24 15:46:32,020 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=324, Invalid=1082, Unknown=0, NotChecked=0, Total=1406 [2020-09-24 15:46:32,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states.