/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_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:44:53,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:44:53,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:44:53,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:44:53,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:44:53,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:44:53,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:44:53,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:44:53,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:44:53,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:44:53,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:44:53,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:44:53,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:44:53,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:44:53,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:44:53,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:44:53,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:44:53,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:44:53,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:44:53,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:44:53,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:44:53,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:44:53,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:44:53,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:44:53,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:44:53,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:44:53,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:44:53,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:44:53,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:44:53,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:44:53,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:44:53,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:44:53,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:44:53,940 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:44:53,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:44:53,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:44:53,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:44:53,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:44:53,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:44:53,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:44:53,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:44:53,947 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 15:44:53,988 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:44:53,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:44:53,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:44:53,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:44:53,990 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:44:53,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:44:53,990 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:44:53,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:44:53,991 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:44:53,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:44:53,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:44:53,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:44:53,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:44:53,992 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:44:53,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:44:53,992 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:44:53,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:44:53,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:44:53,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:44:53,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:44:53,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:44:53,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:44:53,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:44:53,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:44:53,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:44:53,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:44:53,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:44:53,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:44:53,995 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:44:53,995 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 15:44:54,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:44:54,480 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:44:54,485 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:44:54,487 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:44:54,488 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:44:54,490 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2020-09-24 15:44:54,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2ec406b37/750ab1135ea543d490dffc7926492f14/FLAGc970a3bf2 [2020-09-24 15:44:55,182 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:44:55,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2020-09-24 15:44:55,197 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2ec406b37/750ab1135ea543d490dffc7926492f14/FLAGc970a3bf2 [2020-09-24 15:44:55,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2ec406b37/750ab1135ea543d490dffc7926492f14 [2020-09-24 15:44:55,479 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:44:55,486 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:44:55,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:44:55,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:44:55,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:44:55,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:44:55" (1/1) ... [2020-09-24 15:44:55,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc9c326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:55, skipping insertion in model container [2020-09-24 15:44:55,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:44:55" (1/1) ... [2020-09-24 15:44:55,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:44:55,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:44:56,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:44:56,028 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:44:56,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:44:56,146 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:44:56,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:56 WrapperNode [2020-09-24 15:44:56,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:44:56,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:44:56,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:44:56,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:44:56,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:56" (1/1) ... [2020-09-24 15:44:56,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:56" (1/1) ... [2020-09-24 15:44:56,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:56" (1/1) ... [2020-09-24 15:44:56,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:56" (1/1) ... [2020-09-24 15:44:56,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:56" (1/1) ... [2020-09-24 15:44:56,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:56" (1/1) ... [2020-09-24 15:44:56,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:56" (1/1) ... [2020-09-24 15:44:56,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:44:56,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:44:56,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:44:56,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:44:56,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:56" (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 15:44:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:44:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:44:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:44:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:44:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:44:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:44:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:44:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:44:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:44:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:44:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:44:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:44:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:44:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:44:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:44:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:44:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:44:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:44:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:44:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:44:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:44:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:44:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:44:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:44:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:44:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:44:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:44:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:44:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:44:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:44:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:44:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:44:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:44:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:44:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:44:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:44:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:44:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:44:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:44:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:44:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:44:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:44:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:44:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:44:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:44:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:44:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:44:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 15:44:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 15:44:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:44:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:44:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:44:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:44:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:44:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:44:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:44:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:44:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:44:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:44:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:44:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:44:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:44:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:44:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:44:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:44:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:44:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:44:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:44:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:44:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:44:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:44:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:44:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:44:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:44:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:44:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:44:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:44:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:44:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:44:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:44:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:44:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:44:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:44:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:44:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:44:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:44:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:44:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:44:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:44:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:44:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:44:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:44:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:44:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:44:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:44:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:44:57,493 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:44:57,493 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:44:57,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:44:57 BoogieIcfgContainer [2020-09-24 15:44:57,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:44:57,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:44:57,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:44:57,509 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:44:57,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:44:55" (1/3) ... [2020-09-24 15:44:57,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbf20c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:44:57, skipping insertion in model container [2020-09-24 15:44:57,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:44:56" (2/3) ... [2020-09-24 15:44:57,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbf20c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:44:57, skipping insertion in model container [2020-09-24 15:44:57,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:44:57" (3/3) ... [2020-09-24 15:44:57,516 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2020-09-24 15:44:57,528 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:44:57,542 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:44:57,561 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:44:57,590 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:44:57,590 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:44:57,590 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:44:57,591 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:44:57,591 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:44:57,591 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:44:57,591 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:44:57,591 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:44:57,621 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states. [2020-09-24 15:44:57,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 15:44:57,656 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:44:57,658 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 15:44:57,659 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:44:57,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:44:57,666 INFO L82 PathProgramCache]: Analyzing trace with hash -368362639, now seen corresponding path program 1 times [2020-09-24 15:44:57,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:44:57,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1479624757] [2020-09-24 15:44:57,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:44:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:58,017 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:58,018 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:58,018 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:58,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:58,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:44:58,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:58,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:44:58,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:58,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:58,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:44:58,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:58,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:44:58,555 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:44:58,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:44:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:58,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:58,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:58,603 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:58,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:58,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:44:58,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:58,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:44:58,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:58,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:58,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:58,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:58,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:58,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:44:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:58,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:58,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:58,715 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:58,715 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:58,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:58,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:58,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:58,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:58,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:58,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:58,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:58,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:58,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:44:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:58,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:58,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:58,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:58,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:58,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:58,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:58,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:58,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:58,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:58,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:44:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:58,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:58,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:58,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:58,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:58,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:58,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:58,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:58,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:58,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:58,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:58,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:58,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:58,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:44:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:58,734 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:58,734 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:58,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:58,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:58,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:44:58,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:58,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:58,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:58,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:58,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:44:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:58,748 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:58,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:58,749 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:58,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:58,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:44:58,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:58,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:58,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:44:58,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:58,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:58,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:44:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:58,755 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:58,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:58,756 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:58,756 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:58,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:58,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:58,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:58,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:58,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:58,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:44:58,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:58,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:58,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:44:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:44:58,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:44:58,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:44:58,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:44:58,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:44:58,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:44:58,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:44:58,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:44:58,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:44:58,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:44:58,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:44:58,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:44:58,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:44:58,793 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 15:44:58,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1479624757] [2020-09-24 15:44:58,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:44:58,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:44:58,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200747553] [2020-09-24 15:44:58,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:44:58,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:44:58,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:44:58,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:44:58,828 INFO L87 Difference]: Start difference. First operand 320 states. Second operand 4 states. [2020-09-24 15:45:00,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:00,261 INFO L93 Difference]: Finished difference Result 505 states and 602 transitions. [2020-09-24 15:45:00,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:45:00,265 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-24 15:45:00,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:00,286 INFO L225 Difference]: With dead ends: 505 [2020-09-24 15:45:00,286 INFO L226 Difference]: Without dead ends: 321 [2020-09-24 15:45:00,292 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 15:45:00,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-09-24 15:45:00,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 269. [2020-09-24 15:45:00,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-09-24 15:45:00,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 294 transitions. [2020-09-24 15:45:00,398 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 294 transitions. Word has length 148 [2020-09-24 15:45:00,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:00,400 INFO L479 AbstractCegarLoop]: Abstraction has 269 states and 294 transitions. [2020-09-24 15:45:00,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:45:00,400 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 294 transitions. [2020-09-24 15:45:00,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-24 15:45:00,405 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:00,405 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 15:45:00,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:45:00,406 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:00,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:00,406 INFO L82 PathProgramCache]: Analyzing trace with hash 2053645548, now seen corresponding path program 1 times [2020-09-24 15:45:00,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:00,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1530363500] [2020-09-24 15:45:00,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:00,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:00,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:00,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:00,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:00,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-24 15:45:00,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:00,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:45:00,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:00,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:00,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:45:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:00,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:00,919 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:00,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:00,930 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:00,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:00,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:00,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:00,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:00,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:00,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:00,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:00,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:00,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:00,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:00,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:00,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:00,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:00,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:00,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:00,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:00,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:00,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:00,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:00,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:00,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:00,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:01,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:01,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:01,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:01,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:01,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:01,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:01,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:01,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:01,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:01,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:01,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:01,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:01,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:01,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:01,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:01,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:01,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:01,011 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:01,011 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:01,011 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:01,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:01,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:01,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:01,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:01,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:01,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:01,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:01,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:01,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:01,016 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:01,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:01,017 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:01,017 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:01,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:01,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:01,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:01,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:01,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:01,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:01,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:01,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:01,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:01,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:01,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:01,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:01,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:01,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:01,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:01,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:01,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:01,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:01,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:01,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:01,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:01,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 15:45:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:01,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:01,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:01,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:01,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:01,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:01,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:01,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:01,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:01,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:01,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:01,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:01,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:01,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:45:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:01,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:01,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:01,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:01,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:01,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:01,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:01,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:01,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:01,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:01,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:01,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:01,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:01,071 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 15:45:01,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1530363500] [2020-09-24 15:45:01,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:01,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:45:01,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184941177] [2020-09-24 15:45:01,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:45:01,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:01,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:45:01,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:45:01,077 INFO L87 Difference]: Start difference. First operand 269 states and 294 transitions. Second operand 5 states. [2020-09-24 15:45:01,860 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:03,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:03,075 INFO L93 Difference]: Finished difference Result 424 states and 485 transitions. [2020-09-24 15:45:03,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:45:03,075 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-24 15:45:03,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:03,082 INFO L225 Difference]: With dead ends: 424 [2020-09-24 15:45:03,082 INFO L226 Difference]: Without dead ends: 310 [2020-09-24 15:45:03,084 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:45:03,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-09-24 15:45:03,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 259. [2020-09-24 15:45:03,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-09-24 15:45:03,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 281 transitions. [2020-09-24 15:45:03,130 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 281 transitions. Word has length 149 [2020-09-24 15:45:03,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:03,131 INFO L479 AbstractCegarLoop]: Abstraction has 259 states and 281 transitions. [2020-09-24 15:45:03,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:45:03,131 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 281 transitions. [2020-09-24 15:45:03,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-24 15:45:03,133 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:03,134 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 15:45:03,134 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:45:03,134 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:03,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:03,135 INFO L82 PathProgramCache]: Analyzing trace with hash 487690811, now seen corresponding path program 1 times [2020-09-24 15:45:03,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:03,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [976929025] [2020-09-24 15:45:03,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:45:03,203 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -48 [2020-09-24 15:45:03,203 FATAL L256 erpolLogProxyWrapper]: Difference in width: 48 [2020-09-24 15:45:03,203 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-24 15:45:03,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:03,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:03,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 15:45:03,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:03,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,583 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:03,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:03,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:03,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:03,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:03,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,637 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:03,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:03,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:03,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:03,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,641 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:03,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:03,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:03,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:03,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,646 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,646 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,646 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,646 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:03,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:03,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:03,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:03,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:03,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:03,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:03,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:03,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,667 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,667 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,667 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:03,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:03,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:03,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:03,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:45:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,682 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:03,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:03,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:03,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:45:03,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:45:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,689 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,689 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,689 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:03,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:03,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:03,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:03,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:45:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:03,694 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:03,695 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:03,695 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:03,695 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:03,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:03,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:03,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:03,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:03,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:03,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:03,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:03,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:03,725 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 15:45:03,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [976929025] [2020-09-24 15:45:03,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:03,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:45:03,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217350430] [2020-09-24 15:45:03,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:45:03,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:03,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:45:03,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:45:03,728 INFO L87 Difference]: Start difference. First operand 259 states and 281 transitions. Second operand 6 states. [2020-09-24 15:45:04,459 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:06,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:06,762 INFO L93 Difference]: Finished difference Result 631 states and 743 transitions. [2020-09-24 15:45:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:45:06,763 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-24 15:45:06,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:06,775 INFO L225 Difference]: With dead ends: 631 [2020-09-24 15:45:06,775 INFO L226 Difference]: Without dead ends: 487 [2020-09-24 15:45:06,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:45:06,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2020-09-24 15:45:06,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 393. [2020-09-24 15:45:06,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2020-09-24 15:45:06,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 438 transitions. [2020-09-24 15:45:06,925 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 438 transitions. Word has length 162 [2020-09-24 15:45:06,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:06,926 INFO L479 AbstractCegarLoop]: Abstraction has 393 states and 438 transitions. [2020-09-24 15:45:06,926 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:45:06,927 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 438 transitions. [2020-09-24 15:45:06,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-24 15:45:06,932 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:06,932 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] [2020-09-24 15:45:06,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:45:06,933 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:06,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:06,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1631970358, now seen corresponding path program 1 times [2020-09-24 15:45:06,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:06,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [350306634] [2020-09-24 15:45:06,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:07,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:07,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:07,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:07,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:07,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-24 15:45:07,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:07,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 15:45:07,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:07,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:45:07,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:45:07,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-24 15:45:07,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:07,531 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:07,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:07,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:07,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:07,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:07,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:07,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:07,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:07,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:07,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:07,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:07,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:07,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:45:07,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:07,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:07,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:07,661 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:07,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:07,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:07,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:07,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:07,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:07,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:07,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:07,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:07,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:07,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:07,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:07,669 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:07,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:07,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:07,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:07,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:07,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:07,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:07,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:07,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:07,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:07,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:07,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:07,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:07,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:07,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:07,676 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:07,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:07,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:07,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:07,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:07,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:07,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:07,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:07,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:07,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:07,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:07,683 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:07,683 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:07,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:07,684 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:07,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:07,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:07,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:07,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:07,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:07,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:07,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:07,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:07,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:07,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:07,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:07,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:07,704 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:07,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:07,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:07,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:07,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:07,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:07,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:07,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:07,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:07,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:45:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:07,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:07,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:07,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:07,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:07,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:07,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:07,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:07,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:07,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:07,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:07,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:07,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:07,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:45:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:07,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:07,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:07,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:07,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:07,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:07,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:07,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:07,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:07,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:07,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:07,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:07,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:07,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:45:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:07,780 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:07,781 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:07,781 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:07,781 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:07,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:07,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:07,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:07,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:07,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:07,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:07,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:07,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:07,824 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 15:45:07,824 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [350306634] [2020-09-24 15:45:07,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:07,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:45:07,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110817484] [2020-09-24 15:45:07,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:45:07,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:07,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:45:07,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:45:07,827 INFO L87 Difference]: Start difference. First operand 393 states and 438 transitions. Second operand 10 states. [2020-09-24 15:45:08,397 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:09,981 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:10,362 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:45:10,769 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:11,176 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:11,509 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:11,953 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-24 15:45:12,301 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 15:45:12,898 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:14,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:14,356 INFO L93 Difference]: Finished difference Result 1078 states and 1312 transitions. [2020-09-24 15:45:14,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:45:14,357 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-24 15:45:14,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:14,364 INFO L225 Difference]: With dead ends: 1078 [2020-09-24 15:45:14,364 INFO L226 Difference]: Without dead ends: 800 [2020-09-24 15:45:14,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:45:14,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-09-24 15:45:14,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 638. [2020-09-24 15:45:14,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2020-09-24 15:45:14,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 723 transitions. [2020-09-24 15:45:14,470 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 723 transitions. Word has length 167 [2020-09-24 15:45:14,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:14,471 INFO L479 AbstractCegarLoop]: Abstraction has 638 states and 723 transitions. [2020-09-24 15:45:14,471 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:45:14,471 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 723 transitions. [2020-09-24 15:45:14,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-24 15:45:14,475 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:14,475 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] [2020-09-24 15:45:14,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:45:14,476 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:14,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:14,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1815547457, now seen corresponding path program 1 times [2020-09-24 15:45:14,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:14,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1724398711] [2020-09-24 15:45:14,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:14,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:14,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:14,584 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:14,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:14,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-09-24 15:45:14,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:14,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-24 15:45:14,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:14,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:45:14,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:45:14,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-09-24 15:45:14,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:14,922 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:14,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:14,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:14,960 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:14,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:14,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:14,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:14,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:14,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:14,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:14,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:14,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:14,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:45:14,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:15,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:15,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:15,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:15,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:15,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:15,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:15,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:15,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:15,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:15,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:15,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,016 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:15,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:15,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:15,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:15,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:15,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:15,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:15,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:15,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:15,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:15,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,043 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,043 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:15,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:15,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:15,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:15,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:15,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,059 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:15,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:15,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:15,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:15,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:15,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:45:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:15,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:15,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:15,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:45:15,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:15,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:45:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:15,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:15,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:15,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:15,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:15,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 15:45:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:15,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:15,097 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:15,097 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:15,097 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:15,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:15,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:15,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:15,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:15,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:15,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:15,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:15,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:15,155 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 15:45:15,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1724398711] [2020-09-24 15:45:15,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:15,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:45:15,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005529321] [2020-09-24 15:45:15,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:45:15,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:15,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:45:15,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:45:15,157 INFO L87 Difference]: Start difference. First operand 638 states and 723 transitions. Second operand 11 states. [2020-09-24 15:45:15,752 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:17,263 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:17,592 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:17,965 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:18,343 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:18,650 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:19,453 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:19,744 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:20,135 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:21,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:21,382 INFO L93 Difference]: Finished difference Result 1750 states and 2197 transitions. [2020-09-24 15:45:21,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-24 15:45:21,383 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 172 [2020-09-24 15:45:21,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:21,391 INFO L225 Difference]: With dead ends: 1750 [2020-09-24 15:45:21,392 INFO L226 Difference]: Without dead ends: 1227 [2020-09-24 15:45:21,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=283, Invalid=773, Unknown=0, NotChecked=0, Total=1056 [2020-09-24 15:45:21,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2020-09-24 15:45:21,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 960. [2020-09-24 15:45:21,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 960 states. [2020-09-24 15:45:21,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1099 transitions. [2020-09-24 15:45:21,547 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1099 transitions. Word has length 172 [2020-09-24 15:45:21,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:21,547 INFO L479 AbstractCegarLoop]: Abstraction has 960 states and 1099 transitions. [2020-09-24 15:45:21,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:45:21,548 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1099 transitions. [2020-09-24 15:45:21,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-09-24 15:45:21,552 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:21,552 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] [2020-09-24 15:45:21,552 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:45:21,552 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:21,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:21,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1961313266, now seen corresponding path program 1 times [2020-09-24 15:45:21,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:21,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1316740616] [2020-09-24 15:45:21,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,620 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-09-24 15:45:21,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:21,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:21,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 197 [2020-09-24 15:45:21,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:21,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:21,927 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:21,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:21,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:21,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:21,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:21,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:21,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:21,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:21,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:21,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:21,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:21,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:21,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:21,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:21,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:21,999 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:21,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:21,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:21,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:22,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:22,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:22,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:22,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:22,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:22,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,017 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,017 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,017 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,017 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:22,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:22,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:22,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,028 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,028 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:22,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:22,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:22,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:45:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:22,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:22,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:22,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 15:45:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:45:22,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:45:22,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:22,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:45:22,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:22,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:22,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:45:22,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:45:22,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:45:22,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:45:22,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:22,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:22,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,137 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,138 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:22,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:22,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:22,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:45:22,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:22,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:22,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:22,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:22,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:22,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:22,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:22,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:45:22,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:22,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 15:45:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,204 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:22,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:22,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:22,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:22,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-24 15:45:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:22,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:22,209 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:22,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:22,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:22,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:22,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:22,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:22,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:22,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:22,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:22,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:22,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:22,248 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 15:45:22,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1316740616] [2020-09-24 15:45:22,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:22,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 15:45:22,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873288410] [2020-09-24 15:45:22,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:45:22,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:22,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:45:22,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:45:22,251 INFO L87 Difference]: Start difference. First operand 960 states and 1099 transitions. Second operand 12 states. [2020-09-24 15:45:23,919 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:24,276 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:24,512 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:45:24,817 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:25,181 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:45:25,523 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:27,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:27,365 INFO L93 Difference]: Finished difference Result 2365 states and 2982 transitions. [2020-09-24 15:45:27,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:45:27,366 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 205 [2020-09-24 15:45:27,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:27,377 INFO L225 Difference]: With dead ends: 2365 [2020-09-24 15:45:27,377 INFO L226 Difference]: Without dead ends: 1520 [2020-09-24 15:45:27,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=217, Invalid=539, Unknown=0, NotChecked=0, Total=756 [2020-09-24 15:45:27,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2020-09-24 15:45:27,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 998. [2020-09-24 15:45:27,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 998 states. [2020-09-24 15:45:27,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1139 transitions. [2020-09-24 15:45:27,534 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1139 transitions. Word has length 205 [2020-09-24 15:45:27,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:27,534 INFO L479 AbstractCegarLoop]: Abstraction has 998 states and 1139 transitions. [2020-09-24 15:45:27,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:45:27,534 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1139 transitions. [2020-09-24 15:45:27,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-09-24 15:45:27,538 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:27,539 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] [2020-09-24 15:45:27,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:45:27,539 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:27,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:27,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1836108882, now seen corresponding path program 1 times [2020-09-24 15:45:27,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:27,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [633792117] [2020-09-24 15:45:27,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:27,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:45:27,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -84 [2020-09-24 15:45:27,600 FATAL L256 erpolLogProxyWrapper]: Difference in width: 84 [2020-09-24 15:45:27,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:27,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-09-24 15:45:27,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:27,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:27,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:27,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:27,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-09-24 15:45:27,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:27,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:27,929 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:27,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:27,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:27,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:27,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:27,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:27,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:27,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:27,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:27,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:27,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:27,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:27,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:27,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:27,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:27,980 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:27,980 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:27,980 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:27,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:27,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:27,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:27,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:27,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:27,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:27,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:27,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:27,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:27,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:27,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:27,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:27,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:27,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:27,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:27,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:27,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:27,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:27,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:27,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:27,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:27,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:27,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:27,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:27,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:27,991 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:27,991 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:27,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:27,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:27,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:27,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:27,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:27,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:27,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:27,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:27,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:27,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:27,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:27,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:27,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:27,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:27,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:27,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:27,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:27,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:27,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:27,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:27,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,017 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,017 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,017 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,018 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:28,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:28,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:28,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:28,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:28,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:28,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:28,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:45:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:28,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:28,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:28,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 15:45:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,115 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,116 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,116 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:45:28,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:28,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:28,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:45:28,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:28,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:45:28,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:28,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:28,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:45:28,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:28,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,141 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,141 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,142 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,142 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:28,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:28,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:45:28,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:45:28,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:28,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:28,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:28,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:45:28,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:28,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:28,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,210 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,210 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:28,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:28,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:45:28,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:28,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:28,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 15:45:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,216 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:28,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:28,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:28,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:28,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:28,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-24 15:45:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:28,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:28,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:28,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:28,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:28,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:28,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:28,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:28,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:28,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:28,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:28,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:28,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:28,257 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 15:45:28,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [633792117] [2020-09-24 15:45:28,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:28,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:45:28,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816602967] [2020-09-24 15:45:28,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:45:28,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:28,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:45:28,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:45:28,261 INFO L87 Difference]: Start difference. First operand 998 states and 1139 transitions. Second operand 11 states. [2020-09-24 15:45:29,769 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:45:30,097 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:45:30,428 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:30,770 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:45:31,076 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:33,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:33,138 INFO L93 Difference]: Finished difference Result 2447 states and 3124 transitions. [2020-09-24 15:45:33,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:45:33,139 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 205 [2020-09-24 15:45:33,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:33,150 INFO L225 Difference]: With dead ends: 2447 [2020-09-24 15:45:33,150 INFO L226 Difference]: Without dead ends: 1564 [2020-09-24 15:45:33,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2020-09-24 15:45:33,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1564 states. [2020-09-24 15:45:33,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1564 to 1022. [2020-09-24 15:45:33,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1022 states. [2020-09-24 15:45:33,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1163 transitions. [2020-09-24 15:45:33,300 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1163 transitions. Word has length 205 [2020-09-24 15:45:33,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:33,301 INFO L479 AbstractCegarLoop]: Abstraction has 1022 states and 1163 transitions. [2020-09-24 15:45:33,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:45:33,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1163 transitions. [2020-09-24 15:45:33,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-09-24 15:45:33,305 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:33,305 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] [2020-09-24 15:45:33,306 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:45:33,306 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:33,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:33,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1768364273, now seen corresponding path program 1 times [2020-09-24 15:45:33,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:33,307 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1858825173] [2020-09-24 15:45:33,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-09-24 15:45:33,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:45:33,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:45:33,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:45:33,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-09-24 15:45:33,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,696 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:33,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,735 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,735 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,735 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,736 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:33,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:33,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:33,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:45:33,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:33,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:33,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:33,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:33,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:33,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:33,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:33,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:33,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:33,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:33,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:33,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,811 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:33,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:33,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:33,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:33,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,819 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,819 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:33,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:33,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:33,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:45:33,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:33,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,838 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,838 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:33,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:33,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:33,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:33,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:45:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:33,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:33,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:33,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:33,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:33,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:45:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,874 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:33,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:33,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:33,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:33,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:33,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-24 15:45:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,895 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:45:33,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:33,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:33,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:45:33,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:45:33,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:33,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,922 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,922 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,922 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,922 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:45:33,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:33,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:33,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:45:33,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:33,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:33,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:33,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:45:33,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:33,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,964 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,964 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:33,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:33,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:33,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:33,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:33,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:33,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:33,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:33,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:33,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:33,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:33,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 15:45:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:33,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:33,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:33,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:33,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:33,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:33,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:33,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:33,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:33,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:33,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:33,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:34,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:34,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-24 15:45:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:34,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:34,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:34,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:34,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:34,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:34,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:34,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:34,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:34,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:34,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:34,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:34,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:34,080 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 15:45:34,080 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1858825173] [2020-09-24 15:45:34,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:34,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:45:34,081 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058990747] [2020-09-24 15:45:34,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:45:34,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:34,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:45:34,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:45:34,082 INFO L87 Difference]: Start difference. First operand 1022 states and 1163 transitions. Second operand 9 states. [2020-09-24 15:45:34,655 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:35,320 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:45:40,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:40,186 INFO L93 Difference]: Finished difference Result 3781 states and 4883 transitions. [2020-09-24 15:45:40,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-09-24 15:45:40,187 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 205 [2020-09-24 15:45:40,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:40,205 INFO L225 Difference]: With dead ends: 3781 [2020-09-24 15:45:40,205 INFO L226 Difference]: Without dead ends: 2874 [2020-09-24 15:45:40,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 471 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=306, Invalid=1176, Unknown=0, NotChecked=0, Total=1482 [2020-09-24 15:45:40,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2874 states. [2020-09-24 15:45:40,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2874 to 1998. [2020-09-24 15:45:40,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1998 states. [2020-09-24 15:45:40,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1998 states to 1998 states and 2297 transitions. [2020-09-24 15:45:40,599 INFO L78 Accepts]: Start accepts. Automaton has 1998 states and 2297 transitions. Word has length 205 [2020-09-24 15:45:40,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:40,600 INFO L479 AbstractCegarLoop]: Abstraction has 1998 states and 2297 transitions. [2020-09-24 15:45:40,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:45:40,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1998 states and 2297 transitions. [2020-09-24 15:45:40,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-09-24 15:45:40,610 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:40,611 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 15:45:40,611 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:45:40,611 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:40,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:40,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1173905284, now seen corresponding path program 1 times [2020-09-24 15:45:40,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:40,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [822900894] [2020-09-24 15:45:40,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:40,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:40,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:40,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:40,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:40,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-24 15:45:40,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:40,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:45:40,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:40,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:45:40,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-24 15:45:40,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-24 15:45:40,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:41,026 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:41,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,039 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,039 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,040 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:41,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:41,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:41,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:41,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:41,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:41,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:41,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:41,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:41,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:41,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:41,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:41,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,082 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,082 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:41,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:41,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:41,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:41,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:41,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:41,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:41,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:41,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:41,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:41,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:41,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:41,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:41,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:41,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:41,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:41,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:41,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:41,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:41,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:41,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:45:41,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:41,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:45:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:41,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:41,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:41,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:41,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:41,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:41,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:45:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:41,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:41,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:41,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:41,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:45:41,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:41,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:45:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:41,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:41,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:41,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:41,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:45:41,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:41,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-24 15:45:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:45:41,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:41,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:41,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:41,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-24 15:45:41,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:41,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,194 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,195 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:45:41,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:41,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:41,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:41,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:41,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:41,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,216 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:41,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:41,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:41,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:41,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:41,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:41,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:41,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:41,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:41,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:41,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:41,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:41,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,231 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:41,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:41,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:41,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:41,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:41,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:41,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-24 15:45:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:41,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:41,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:41,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:41,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:41,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:41,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-09-24 15:45:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:41,247 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:41,247 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:41,247 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:41,248 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:41,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:41,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:41,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:45:41,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:41,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:41,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:41,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:45:41,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:41,304 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 15:45:41,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [822900894] [2020-09-24 15:45:41,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:41,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:45:41,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047367933] [2020-09-24 15:45:41,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:45:41,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:41,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:45:41,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:45:41,307 INFO L87 Difference]: Start difference. First operand 1998 states and 2297 transitions. Second operand 9 states. [2020-09-24 15:45:41,862 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:45,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:45:45,685 INFO L93 Difference]: Finished difference Result 4708 states and 6214 transitions. [2020-09-24 15:45:45,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-09-24 15:45:45,686 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 210 [2020-09-24 15:45:45,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:45:45,716 INFO L225 Difference]: With dead ends: 4708 [2020-09-24 15:45:45,716 INFO L226 Difference]: Without dead ends: 4705 [2020-09-24 15:45:45,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=354, Invalid=1206, Unknown=0, NotChecked=0, Total=1560 [2020-09-24 15:45:45,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4705 states. [2020-09-24 15:45:46,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4705 to 3279. [2020-09-24 15:45:46,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3279 states. [2020-09-24 15:45:46,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 3279 states and 3883 transitions. [2020-09-24 15:45:46,430 INFO L78 Accepts]: Start accepts. Automaton has 3279 states and 3883 transitions. Word has length 210 [2020-09-24 15:45:46,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:45:46,430 INFO L479 AbstractCegarLoop]: Abstraction has 3279 states and 3883 transitions. [2020-09-24 15:45:46,430 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:45:46,431 INFO L276 IsEmpty]: Start isEmpty. Operand 3279 states and 3883 transitions. [2020-09-24 15:45:46,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-09-24 15:45:46,441 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:45:46,443 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:45:46,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:45:46,443 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:45:46,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:45:46,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1255191578, now seen corresponding path program 1 times [2020-09-24 15:45:46,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:45:46,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1724608934] [2020-09-24 15:45:46,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:45:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,509 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,509 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 327 [2020-09-24 15:45:46,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:45:46,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:46,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 172 [2020-09-24 15:45:46,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:45:46,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,836 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:45:46,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:45:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:45:46,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:46,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:45:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:46,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:46,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:45:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,881 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:46,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:45:46,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:46,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:45:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,886 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,886 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:46,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:46,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:45:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:45:46,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:46,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:45:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,902 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,903 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,903 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,903 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:46,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:46,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:45:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,915 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:46,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:46,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:45:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:46,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:46,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:46,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:46,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:45:46,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 15:45:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:46,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:46,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:45:46,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:46,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:45:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:46,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:46,989 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:46,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:46,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:46,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:45:46,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:46,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:45:46,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:46,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:46,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:45:46,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-24 15:45:46,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:45:47,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:47,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:47,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:47,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:47,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:47,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:45:47,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:47,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:47,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:47,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:47,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:47,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-24 15:45:47,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:47,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:47,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:47,053 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:47,053 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:47,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:47,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:45:47,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:47,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:47,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:47,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:47,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:47,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:47,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:47,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:47,060 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:47,060 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:47,060 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:47,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:47,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:45:47,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:47,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:47,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:47,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:47,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:47,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:47,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:47,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:45:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:47,066 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:47,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:47,067 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:47,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:47,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:45:47,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:47,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:47,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:47,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:47,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:47,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:47,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:47,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:45:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:47,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:47,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:47,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:47,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:47,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:45:47,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:47,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:47,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:47,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:47,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:47,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:47,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:47,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 15:45:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:47,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:47,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:47,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:47,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:47,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:45:47,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:47,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:47,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:47,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:45:47,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:47,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 15:45:47,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:47,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:45:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:47,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:47,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:47,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:47,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:47,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:47,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:47,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:47,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:47,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:47,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:47,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:47,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:47,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 15:45:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:47,090 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:47,091 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:47,091 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:47,091 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:47,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:47,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:47,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:47,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:47,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:47,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:45:47,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:47,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:47,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-09-24 15:45:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:47,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:47,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:47,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:47,098 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:47,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:45:47,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:47,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:47,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:47,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:47,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:45:47,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:47,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:47,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-09-24 15:45:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:47,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:47,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:47,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:47,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:47,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:47,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:47,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:45:47,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:47,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:47,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:47,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:47,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:47,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-09-24 15:45:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:45:47,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:45:47,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:45:47,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:45:47,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:45:47,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:45:47,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:45:47,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:45:47,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:45:47,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:45:47,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:45:47,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:45:47,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:45:47,162 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-24 15:45:47,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1724608934] [2020-09-24 15:45:47,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:45:47,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:45:47,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100079722] [2020-09-24 15:45:47,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:45:47,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:45:47,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:45:47,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:45:47,165 INFO L87 Difference]: Start difference. First operand 3279 states and 3883 transitions. Second operand 11 states. [2020-09-24 15:45:47,725 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:45:48,751 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189