/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 --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_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:09:09,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:09:09,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:09:09,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:09:09,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:09:09,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:09:09,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:09:09,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:09:09,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:09:09,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:09:09,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:09:09,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:09:09,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:09:09,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:09:09,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:09:09,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:09:09,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:09:09,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:09:09,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:09:09,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:09:09,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:09:09,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:09:09,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:09:09,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:09:09,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:09:09,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:09:09,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:09:09,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:09:09,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:09:09,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:09:09,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:09:09,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:09:09,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:09:09,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:09:09,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:09:09,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:09:09,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:09:09,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:09:09,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:09:09,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:09:09,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:09:09,441 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 [2020-09-21 11:09:09,490 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:09:09,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:09:09,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:09:09,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:09:09,493 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:09:09,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:09:09,493 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:09:09,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:09:09,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:09:09,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:09:09,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:09:09,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:09:09,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:09:09,496 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:09:09,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:09:09,496 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:09:09,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:09:09,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:09:09,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:09:09,497 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:09:09,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:09:09,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:09:09,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:09:09,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:09:09,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:09:09,498 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:09:09,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:09:09,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:09:09,499 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:09:09,499 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.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; [2020-09-21 11:09:09,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:09:09,946 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:09:09,952 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:09:09,954 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:09:09,954 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:09:09,955 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_productSimulator.cil.c [2020-09-21 11:09:10,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/105608c3b/6d6224a428a448a7b4ab8667d09b35f8/FLAG67dbe06d7 [2020-09-21 11:09:10,670 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:09:10,671 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_productSimulator.cil.c [2020-09-21 11:09:10,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/105608c3b/6d6224a428a448a7b4ab8667d09b35f8/FLAG67dbe06d7 [2020-09-21 11:09:10,924 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/105608c3b/6d6224a428a448a7b4ab8667d09b35f8 [2020-09-21 11:09:10,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:09:10,941 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:09:10,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:09:10,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:09:10,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:09:10,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:09:10" (1/1) ... [2020-09-21 11:09:10,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca632cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:09:10, skipping insertion in model container [2020-09-21 11:09:10,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:09:10" (1/1) ... [2020-09-21 11:09:10,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:09:11,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:09:11,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:09:11,544 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:09:11,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:09:11,710 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:09:11,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:09:11 WrapperNode [2020-09-21 11:09:11,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:09:11,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:09:11,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:09:11,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:09:11,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:09:11" (1/1) ... [2020-09-21 11:09:11,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:09:11" (1/1) ... [2020-09-21 11:09:11,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:09:11" (1/1) ... [2020-09-21 11:09:11,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:09:11" (1/1) ... [2020-09-21 11:09:11,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:09:11" (1/1) ... [2020-09-21 11:09:11,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:09:11" (1/1) ... [2020-09-21 11:09:11,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:09:11" (1/1) ... [2020-09-21 11:09:11,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:09:11,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:09:11,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:09:11,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:09:11,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:09:11" (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 [2020-09-21 11:09:11,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:09:11,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:09:11,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:09:11,888 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:09:11,888 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:09:11,889 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:09:11,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:09:11,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:09:11,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:09:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:09:11,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:09:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:09:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-21 11:09:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-21 11:09:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-21 11:09:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-21 11:09:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-21 11:09:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-21 11:09:11,893 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:09:11,893 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-21 11:09:11,893 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-21 11:09:11,893 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:09:11,893 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:09:11,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:09:11,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:09:11,895 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:09:11,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:09:11,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:09:11,895 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:09:11,895 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:09:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:09:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:09:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:09:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:09:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:09:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:09:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:09:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:09:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:09:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:09:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:09:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:09:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:09:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:09:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:09:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:09:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:09:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:09:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:09:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:09:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:09:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:09:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:09:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:09:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:09:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:09:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:09:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:09:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:09:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:09:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:09:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:09:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:09:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:09:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:09:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:09:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:09:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:09:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:09:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:09:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-21 11:09:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:09:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-21 11:09:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-21 11:09:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:09:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-21 11:09:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-21 11:09:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:09:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-21 11:09:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-21 11:09:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-21 11:09:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:09:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:09:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:09:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:09:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:09:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:09:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:09:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:09:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:09:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:09:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:09:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:09:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:09:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:09:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:09:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:09:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:09:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:09:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:09:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:09:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:09:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:09:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:09:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:09:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:09:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:09:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:09:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:09:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:09:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:09:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:09:12,943 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:09:12,943 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:09:12,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:09:12 BoogieIcfgContainer [2020-09-21 11:09:12,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:09:12,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:09:12,951 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:09:12,954 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:09:12,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:09:10" (1/3) ... [2020-09-21 11:09:12,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd7a2c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:09:12, skipping insertion in model container [2020-09-21 11:09:12,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:09:11" (2/3) ... [2020-09-21 11:09:12,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd7a2c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:09:12, skipping insertion in model container [2020-09-21 11:09:12,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:09:12" (3/3) ... [2020-09-21 11:09:12,958 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_productSimulator.cil.c [2020-09-21 11:09:12,970 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:09:12,980 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:09:13,004 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:09:13,037 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:09:13,037 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:09:13,038 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:09:13,038 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:09:13,038 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:09:13,038 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:09:13,038 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:09:13,038 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:09:13,068 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states. [2020-09-21 11:09:13,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-09-21 11:09:13,082 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:13,084 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:09:13,084 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:13,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:13,092 INFO L82 PathProgramCache]: Analyzing trace with hash 2065144369, now seen corresponding path program 1 times [2020-09-21 11:09:13,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:13,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1675188465] [2020-09-21 11:09:13,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:13,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:13,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:13,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:13,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:13,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-09-21 11:09:13,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:13,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:09:13,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:13,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:13,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-09-21 11:09:13,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:13,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:13,985 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-21 11:09:13,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:13,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:13,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:13,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:13,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:13,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:13,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:13,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:14,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:14,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:14,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:14,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:14,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:14,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:14,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:14,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:14,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:14,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:14,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:14,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:14,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:14,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:14,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:14,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:14,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:09:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:14,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:14,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:14,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:14,100 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:14,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:09:14,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:14,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:14,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:14,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:14,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:14,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:14,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:14,115 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:14,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:14,116 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:14,116 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:14,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:14,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:14,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:14,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:14,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:14,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:14,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:14,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:14,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:14,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:14,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:14,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:14,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:14,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:14,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:14,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:14,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:14,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:14,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:14,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:09:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:14,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:14,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:14,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:14,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:14,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:14,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:14,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:14,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:14,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:14,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:14,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:14,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:14,136 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:14,136 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:14,137 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:14,137 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:14,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:14,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:14,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:14,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:14,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:14,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:14,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:14,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:09:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:14,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:14,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:14,144 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:14,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:14,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:14,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:14,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:14,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:14,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:14,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:14,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:14,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:09:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:14,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:14,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:14,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:14,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:14,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:14,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:14,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:14,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:14,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:14,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:14,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:14,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:09:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:14,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:14,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:14,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:14,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:14,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:14,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:14,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:14,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:14,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:14,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:14,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:14,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:09:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:14,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:14,167 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:14,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:14,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:14,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:14,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:14,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:14,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:14,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:14,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:14,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:14,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 11:09:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:14,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:14,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:14,182 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:14,182 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:14,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:14,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:14,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:14,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:14,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:14,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:14,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:14,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-09-21 11:09:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:14,187 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:14,187 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:14,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:14,188 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:14,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:14,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:14,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:14,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:14,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:14,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:14,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:14,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 11:09:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:14,194 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:14,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:14,195 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:14,195 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:14,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:14,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:14,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:14,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:14,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:14,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:14,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:14,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:14,212 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-09-21 11:09:14,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1675188465] [2020-09-21 11:09:14,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:14,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:09:14,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150495781] [2020-09-21 11:09:14,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:09:14,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:14,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:09:14,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:09:14,243 INFO L87 Difference]: Start difference. First operand 247 states. Second operand 6 states. [2020-09-21 11:09:16,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:16,667 INFO L93 Difference]: Finished difference Result 442 states and 585 transitions. [2020-09-21 11:09:16,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:09:16,669 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-09-21 11:09:16,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:16,688 INFO L225 Difference]: With dead ends: 442 [2020-09-21 11:09:16,688 INFO L226 Difference]: Without dead ends: 256 [2020-09-21 11:09:16,694 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:09:16,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-09-21 11:09:16,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 204. [2020-09-21 11:09:16,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-09-21 11:09:16,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 251 transitions. [2020-09-21 11:09:16,824 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 251 transitions. Word has length 83 [2020-09-21 11:09:16,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:16,825 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 251 transitions. [2020-09-21 11:09:16,825 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:09:16,825 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 251 transitions. [2020-09-21 11:09:16,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-09-21 11:09:16,831 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:16,831 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:09:16,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:09:16,831 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:16,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:16,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1458323181, now seen corresponding path program 1 times [2020-09-21 11:09:16,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:16,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1207715811] [2020-09-21 11:09:16,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:16,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:16,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:16,938 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:16,938 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:16,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-21 11:09:16,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:16,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:09:16,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:16,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:16,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-09-21 11:09:16,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:09:16,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:17,315 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-21 11:09:17,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:17,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:17,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:17,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:17,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,370 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:17,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:17,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:17,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:17,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:17,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:17,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:09:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:09:17,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:17,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:17,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:17,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:17,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:17,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:17,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:17,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:17,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:17,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:17,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:17,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:17,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:17,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:17,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:17,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:17,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:17,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:09:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:17,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:17,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:17,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:17,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:17,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:17,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:17,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:17,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:17,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:17,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:17,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:17,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:09:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,434 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,435 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,435 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:17,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:17,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:17,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:17,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:17,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:17,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:09:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:17,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:17,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:17,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:17,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:17,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:17,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:09:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,448 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:17,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:17,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:17,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:17,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:17,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:17,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:09:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:17,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:17,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:17,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:17,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 11:09:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:17,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:17,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:17,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:17,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:17,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:17,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-21 11:09:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:17,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:17,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:17,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:17,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:17,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:17,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-09-21 11:09:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:17,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:17,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:17,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:17,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:17,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:17,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:17,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:17,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:17,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:17,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:17,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:17,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:17,521 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-09-21 11:09:17,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1207715811] [2020-09-21 11:09:17,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:17,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:09:17,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978061257] [2020-09-21 11:09:17,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:09:17,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:17,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:09:17,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:09:17,525 INFO L87 Difference]: Start difference. First operand 204 states and 251 transitions. Second operand 7 states. [2020-09-21 11:09:18,582 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-21 11:09:20,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:20,530 INFO L93 Difference]: Finished difference Result 375 states and 480 transitions. [2020-09-21 11:09:20,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:09:20,531 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2020-09-21 11:09:20,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:20,537 INFO L225 Difference]: With dead ends: 375 [2020-09-21 11:09:20,537 INFO L226 Difference]: Without dead ends: 246 [2020-09-21 11:09:20,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:09:20,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-09-21 11:09:20,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 195. [2020-09-21 11:09:20,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-09-21 11:09:20,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 239 transitions. [2020-09-21 11:09:20,601 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 239 transitions. Word has length 84 [2020-09-21 11:09:20,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:20,602 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 239 transitions. [2020-09-21 11:09:20,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:09:20,602 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 239 transitions. [2020-09-21 11:09:20,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-09-21 11:09:20,604 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:20,604 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:09:20,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:09:20,605 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:20,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:20,605 INFO L82 PathProgramCache]: Analyzing trace with hash 481269972, now seen corresponding path program 1 times [2020-09-21 11:09:20,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:20,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1087419779] [2020-09-21 11:09:20,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,096 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:09:21,096 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,096 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,097 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-21 11:09:21,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 422 [2020-09-21 11:09:21,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:09:21,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:21,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-21 11:09:21,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,496 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-21 11:09:21,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-21 11:09:21,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:21,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:09:21,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:21,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:21,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:09:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:09:21,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:21,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:09:21,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,661 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,662 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:09:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,672 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,677 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,677 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:09:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,683 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:09:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,688 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,688 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,688 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:09:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,698 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,698 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:21,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:21,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:09:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,703 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,704 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:21,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:21,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:21,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 11:09:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,723 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,723 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,723 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:21,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:21,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:21,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 11:09:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,728 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:21,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:21,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-21 11:09:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:21,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:21,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:21,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:21,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:21,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:21,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:21,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:21,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:21,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:21,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:21,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:21,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:21,751 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-09-21 11:09:21,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1087419779] [2020-09-21 11:09:21,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:21,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:09:21,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107201410] [2020-09-21 11:09:21,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:09:21,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:21,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:09:21,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:09:21,753 INFO L87 Difference]: Start difference. First operand 195 states and 239 transitions. Second operand 8 states. [2020-09-21 11:09:22,259 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-21 11:09:23,563 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-21 11:09:27,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:27,126 INFO L93 Difference]: Finished difference Result 633 states and 818 transitions. [2020-09-21 11:09:27,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:09:27,127 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2020-09-21 11:09:27,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:27,133 INFO L225 Difference]: With dead ends: 633 [2020-09-21 11:09:27,133 INFO L226 Difference]: Without dead ends: 483 [2020-09-21 11:09:27,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=115, Invalid=227, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:09:27,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-09-21 11:09:27,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 386. [2020-09-21 11:09:27,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2020-09-21 11:09:27,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 486 transitions. [2020-09-21 11:09:27,242 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 486 transitions. Word has length 89 [2020-09-21 11:09:27,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:27,242 INFO L479 AbstractCegarLoop]: Abstraction has 386 states and 486 transitions. [2020-09-21 11:09:27,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:09:27,242 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 486 transitions. [2020-09-21 11:09:27,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-09-21 11:09:27,245 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:27,245 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:09:27,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:09:27,246 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:27,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:27,246 INFO L82 PathProgramCache]: Analyzing trace with hash -678987685, now seen corresponding path program 1 times [2020-09-21 11:09:27,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:27,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [817891115] [2020-09-21 11:09:27,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:27,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:27,632 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:27,632 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:27,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:27,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-09-21 11:09:27,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:27,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 328 [2020-09-21 11:09:27,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:27,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:09:27,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:27,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-09-21 11:09:27,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:28,114 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-21 11:09:28,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:28,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 11:09:28,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:28,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:09:28,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:28,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:28,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:28,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:28,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:28,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:09:28,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:09:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:09:28,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:28,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:28,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:09:28,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:28,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:28,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:28,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:28,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:28,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:28,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:28,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:28,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:28,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:28,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:09:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:28,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:28,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:28,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:28,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:28,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,318 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:28,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:28,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:28,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:28,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:28,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:09:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:28,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:28,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:28,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:28,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:28,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:09:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,333 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,334 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,334 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,334 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:28,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:28,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:28,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:28,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:28,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:09:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,341 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:28,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:28,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:28,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:28,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:28,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:09:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:28,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:28,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:28,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:28,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:28,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 11:09:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,371 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,372 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,373 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:28,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:28,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:28,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:28,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:28,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-21 11:09:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,402 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,402 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:28,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:28,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:09:28,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:28,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-21 11:09:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,413 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,414 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,414 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,414 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:28,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:09:28,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:28,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:28,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:28,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:28,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-21 11:09:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:28,444 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:28,445 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:28,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:28,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:28,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:28,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:28,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:28,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:28,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:28,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:28,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:28,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:28,467 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-09-21 11:09:28,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [817891115] [2020-09-21 11:09:28,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:28,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:09:28,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664583735] [2020-09-21 11:09:28,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:09:28,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:28,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:09:28,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:09:28,470 INFO L87 Difference]: Start difference. First operand 386 states and 486 transitions. Second operand 11 states. [2020-09-21 11:09:29,075 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-21 11:09:31,013 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-09-21 11:09:31,635 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-21 11:09:31,990 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-21 11:09:32,446 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-21 11:09:35,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:35,929 INFO L93 Difference]: Finished difference Result 1239 states and 1662 transitions. [2020-09-21 11:09:35,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-21 11:09:35,930 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2020-09-21 11:09:35,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:35,937 INFO L225 Difference]: With dead ends: 1239 [2020-09-21 11:09:35,937 INFO L226 Difference]: Without dead ends: 898 [2020-09-21 11:09:35,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=229, Invalid=583, Unknown=0, NotChecked=0, Total=812 [2020-09-21 11:09:35,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2020-09-21 11:09:36,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 703. [2020-09-21 11:09:36,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2020-09-21 11:09:36,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 890 transitions. [2020-09-21 11:09:36,121 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 890 transitions. Word has length 95 [2020-09-21 11:09:36,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:36,122 INFO L479 AbstractCegarLoop]: Abstraction has 703 states and 890 transitions. [2020-09-21 11:09:36,122 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:09:36,122 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 890 transitions. [2020-09-21 11:09:36,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-09-21 11:09:36,125 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:36,125 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:09:36,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:09:36,126 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:36,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:36,126 INFO L82 PathProgramCache]: Analyzing trace with hash -319049537, now seen corresponding path program 1 times [2020-09-21 11:09:36,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:36,127 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2030029229] [2020-09-21 11:09:36,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:36,638 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:36,639 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:36,639 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:36,639 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:36,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:09:36,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:36,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 456 [2020-09-21 11:09:36,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:36,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:09:36,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:36,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-21 11:09:36,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:37,024 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-21 11:09:37,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:37,083 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:37,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:37,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:37,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:37,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:37,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:37,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-21 11:09:37,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:37,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:37,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:37,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:09:37,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:37,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:37,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:37,131 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:37,131 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:37,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:37,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:37,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:37,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:37,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:37,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:37,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:09:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:37,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:37,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:37,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:37,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:37,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:09:37,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:37,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:37,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:37,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:37,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:37,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:09:37,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:37,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:37,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:37,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:37,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:37,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:37,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:37,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:37,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:37,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:37,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:37,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:37,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:37,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:37,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:37,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:37,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:37,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:37,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:37,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:37,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:37,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:37,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:37,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:37,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:37,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:37,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:37,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:09:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:37,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:37,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:37,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:37,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:37,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:37,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:37,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:37,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:37,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:37,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:37,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:37,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:37,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:37,195 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:37,196 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:37,196 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:37,196 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:37,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:37,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:37,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:37,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:37,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:37,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:37,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:37,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:37,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:09:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:37,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:37,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:37,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:37,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:37,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:37,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:37,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:37,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:37,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:37,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:37,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:37,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:37,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:09:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:37,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:37,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:37,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:37,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:37,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:37,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:37,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:37,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:37,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:37,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:37,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:37,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:37,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:09:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:37,212 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:37,212 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:37,212 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:37,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:37,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:37,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:37,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:37,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:37,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:37,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:37,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:37,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:37,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:09:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:37,217 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:37,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:37,218 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:37,218 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:37,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:37,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:37,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:37,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:37,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:37,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:37,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:37,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:37,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 11:09:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:37,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:37,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:37,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:37,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:37,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:37,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:37,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:37,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:37,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:37,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:37,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:37,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:37,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-09-21 11:09:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:37,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:37,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:37,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:37,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:37,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:37,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:37,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:37,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:37,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:37,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:37,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:37,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:37,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 11:09:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:37,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:37,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:37,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:37,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:37,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:37,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:37,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:37,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:37,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:37,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:37,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:09:37,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:37,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:09:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:37,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:37,282 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:37,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:37,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:37,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:37,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:37,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:37,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:37,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:37,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:37,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:37,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:37,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 11:09:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:37,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:37,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:37,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:37,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:37,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:37,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:37,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:37,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:37,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:37,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:37,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:37,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:37,333 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-09-21 11:09:37,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2030029229] [2020-09-21 11:09:37,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:37,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:09:37,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308320823] [2020-09-21 11:09:37,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:09:37,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:37,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:09:37,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:09:37,336 INFO L87 Difference]: Start difference. First operand 703 states and 890 transitions. Second operand 12 states. [2020-09-21 11:09:38,168 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-21 11:09:40,126 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-09-21 11:09:40,525 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-21 11:09:40,961 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-21 11:09:42,302 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-21 11:09:45,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:45,248 INFO L93 Difference]: Finished difference Result 1988 states and 2808 transitions. [2020-09-21 11:09:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-21 11:09:45,249 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 99 [2020-09-21 11:09:45,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:45,258 INFO L225 Difference]: With dead ends: 1988 [2020-09-21 11:09:45,258 INFO L226 Difference]: Without dead ends: 1330 [2020-09-21 11:09:45,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=346, Invalid=914, Unknown=0, NotChecked=0, Total=1260 [2020-09-21 11:09:45,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2020-09-21 11:09:45,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1102. [2020-09-21 11:09:45,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1102 states. [2020-09-21 11:09:45,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 1102 states and 1421 transitions. [2020-09-21 11:09:45,480 INFO L78 Accepts]: Start accepts. Automaton has 1102 states and 1421 transitions. Word has length 99 [2020-09-21 11:09:45,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:45,483 INFO L479 AbstractCegarLoop]: Abstraction has 1102 states and 1421 transitions. [2020-09-21 11:09:45,483 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:09:45,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1421 transitions. [2020-09-21 11:09:45,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-09-21 11:09:45,486 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:45,487 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:09:45,487 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:09:45,487 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:45,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:45,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1144263416, now seen corresponding path program 1 times [2020-09-21 11:09:45,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:45,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [412183507] [2020-09-21 11:09:45,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:45,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:45,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:45,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:45,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:45,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-21 11:09:45,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:45,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:09:45,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:45,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:09:45,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-09-21 11:09:45,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:09:45,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:45,937 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-21 11:09:45,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:45,945 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:45,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:45,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:45,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:45,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:45,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:45,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:45,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:45,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:45,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:45,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:45,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:45,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:45,982 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:45,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:45,983 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:45,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:45,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:45,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:45,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:45,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:45,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:45,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:45,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:45,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:46,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:09:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:46,006 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:46,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:46,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:46,007 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:46,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:09:46,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:46,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:46,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:46,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:46,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:46,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:46,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:46,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:46,018 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:46,018 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:46,018 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:46,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:46,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:46,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:46,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:46,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:46,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:46,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:46,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:46,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:46,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:46,024 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:46,024 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:46,024 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:46,024 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:46,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:46,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:46,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:46,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:46,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:46,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:46,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:46,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:46,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:09:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:46,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:46,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:46,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:46,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:46,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:46,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:46,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:46,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:46,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:46,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:46,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:46,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:46,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:46,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:46,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:46,037 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:46,037 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:46,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:46,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:46,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:46,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:46,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:46,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:46,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:46,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:46,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:09:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:46,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:46,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:46,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:46,043 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:46,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:46,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:46,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:46,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:46,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:46,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:46,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:46,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:46,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:09:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:46,049 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:46,049 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:46,049 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:46,049 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:46,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:46,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:46,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:46,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:46,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:46,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:46,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:46,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:46,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:09:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:46,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:46,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:46,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:46,055 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:46,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:46,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:46,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:46,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:46,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:46,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:46,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:46,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:46,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:09:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:46,060 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:46,060 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:46,060 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:46,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:46,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:46,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:46,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:46,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:46,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:46,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:46,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:46,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:46,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 11:09:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:46,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:46,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:46,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:46,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:46,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:46,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:46,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:46,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:46,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:46,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:46,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:46,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:46,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-09-21 11:09:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:46,090 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:46,090 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:46,091 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:46,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:46,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:46,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:46,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:46,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:46,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:46,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:46,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:46,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:46,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-21 11:09:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:46,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:46,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:46,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:46,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:46,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:09:46,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:46,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:09:46,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:46,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:09:46,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-21 11:09:46,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:09:46,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:46,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:46,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:46,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:46,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:46,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:46,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-09-21 11:09:46,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:46,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:09:46,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:46,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:09:46,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 11:09:46,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:09:46,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:46,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:46,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:46,171 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:46,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:46,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:46,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:09:46,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:46,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:09:46,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:46,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:09:46,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-21 11:09:46,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:09:46,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:46,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:46,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:46,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:46,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:46,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:46,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:09:46,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:46,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:09:46,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:46,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:09:46,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:09:46,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:09:46,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:46,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:46,245 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:46,245 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:46,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:46,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:46,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:46,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:46,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:09:46,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:46,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:46,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:09:46,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:46,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:46,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:46,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:46,296 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:46,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:46,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:46,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:46,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:46,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:46,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:46,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:46,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:46,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:46,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:46,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:46,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:46,303 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:46,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:46,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:09:46,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:46,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:46,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:46,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:46,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:09:46,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:46,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:46,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:46,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:46,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:46,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:46,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:46,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:46,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:46,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:46,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:46,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:46,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:09:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:46,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:46,317 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:46,317 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:46,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:46,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:46,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:46,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:46,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:46,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:46,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:46,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:46,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:46,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-21 11:09:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:46,323 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:46,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:46,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:46,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:46,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:46,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:46,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:46,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:46,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:46,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:46,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:46,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:46,350 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-09-21 11:09:46,351 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [412183507] [2020-09-21 11:09:46,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:46,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:09:46,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228410967] [2020-09-21 11:09:46,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:09:46,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:46,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:09:46,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:09:46,353 INFO L87 Difference]: Start difference. First operand 1102 states and 1421 transitions. Second operand 12 states. [2020-09-21 11:09:48,517 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-21 11:09:48,919 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-09-21 11:09:49,374 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-21 11:09:49,813 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-21 11:09:52,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:52,228 INFO L93 Difference]: Finished difference Result 2481 states and 3557 transitions. [2020-09-21 11:09:52,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 11:09:52,228 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 132 [2020-09-21 11:09:52,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:52,239 INFO L225 Difference]: With dead ends: 2481 [2020-09-21 11:09:52,240 INFO L226 Difference]: Without dead ends: 1424 [2020-09-21 11:09:52,244 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=190, Invalid=460, Unknown=0, NotChecked=0, Total=650 [2020-09-21 11:09:52,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2020-09-21 11:09:52,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1128. [2020-09-21 11:09:52,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1128 states. [2020-09-21 11:09:52,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1449 transitions. [2020-09-21 11:09:52,448 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1449 transitions. Word has length 132 [2020-09-21 11:09:52,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:52,449 INFO L479 AbstractCegarLoop]: Abstraction has 1128 states and 1449 transitions. [2020-09-21 11:09:52,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:09:52,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1449 transitions. [2020-09-21 11:09:52,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-09-21 11:09:52,452 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:52,452 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:09:52,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:09:52,453 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:52,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:52,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1305336714, now seen corresponding path program 1 times [2020-09-21 11:09:52,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:52,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1519791126] [2020-09-21 11:09:52,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:52,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:09:52,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -116 [2020-09-21 11:09:52,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 116 [2020-09-21 11:09:52,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:52,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-21 11:09:52,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:52,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:09:52,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:52,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:52,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-09-21 11:09:52,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:52,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:52,830 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-21 11:09:52,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:52,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:52,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:52,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:52,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:52,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:52,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:52,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:52,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:52,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:52,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:52,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:52,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:52,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:52,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:52,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:52,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:52,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:52,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:52,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:52,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:52,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:52,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:52,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:52,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:52,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:52,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:09:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:52,917 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:52,917 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:52,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:52,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:52,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:09:52,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:52,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:52,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:52,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:52,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:52,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:52,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:52,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:52,930 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:52,930 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:52,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:52,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:52,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:52,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:52,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:52,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:52,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:52,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:52,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:52,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:52,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:52,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:52,935 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:52,935 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:52,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:52,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:52,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:52,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:52,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:52,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:52,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:52,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:52,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:52,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:09:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:52,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:52,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:52,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:52,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:52,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:52,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:52,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:52,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:52,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:52,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:52,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:52,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:52,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:52,945 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:52,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:52,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:52,946 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:52,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:52,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:52,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:52,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:52,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:52,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:52,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:52,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:52,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:09:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:52,950 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:52,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:52,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:52,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:52,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:52,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:52,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:52,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:52,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:52,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:52,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:52,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:52,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:09:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:52,955 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:52,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:52,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:52,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:52,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:52,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:52,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:52,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:52,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:52,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:52,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:52,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:52,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:09:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:52,964 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:52,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:52,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:52,965 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:52,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:52,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:52,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:52,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:52,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:52,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:52,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:52,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:52,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:09:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:52,970 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:52,970 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:52,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:52,971 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:52,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:52,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:52,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:52,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:52,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:52,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:52,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:52,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:52,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 11:09:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:52,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:52,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:52,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:52,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:52,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:52,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:52,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:52,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:52,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:52,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:52,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:52,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:53,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-09-21 11:09:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:53,011 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:53,011 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:53,011 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:53,012 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:53,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:53,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:53,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:53,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:53,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:53,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:53,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:53,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:53,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-21 11:09:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:53,041 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:53,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:53,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:53,043 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:53,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:09:53,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:53,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:09:53,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:53,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:53,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 11:09:53,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:53,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:53,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:53,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:53,075 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:53,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:53,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:53,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-09-21 11:09:53,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:53,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:09:53,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:53,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:53,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-21 11:09:53,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:53,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:53,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:53,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:53,094 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:53,094 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:53,095 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:53,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:09:53,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:53,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:09:53,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:53,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:53,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:09:53,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:53,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:53,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:53,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:53,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:53,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:53,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:53,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:09:53,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:53,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:09:53,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:53,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:53,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:09:53,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:53,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:53,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:53,141 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:53,141 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:53,142 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:53,142 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:53,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:53,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:53,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:09:53,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:53,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:53,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:09:53,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:53,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:53,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:53,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:53,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:53,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:53,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:53,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:53,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:53,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:53,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:53,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:09:53,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:53,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:53,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:09:53,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:53,212 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:53,212 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:53,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:53,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:53,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:09:53,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:53,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:53,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:53,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:53,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:09:53,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:53,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:53,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:53,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:53,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:53,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:53,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:53,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:53,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:53,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:53,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:53,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:53,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:53,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:53,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:53,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:09:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:53,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:53,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:53,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:53,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:53,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:53,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:53,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:09:53,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:53,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:53,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:53,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:53,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:53,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-21 11:09:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:53,248 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:53,248 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:53,249 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:53,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:53,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:53,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:53,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:53,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:53,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:53,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:53,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:53,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:53,289 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-09-21 11:09:53,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1519791126] [2020-09-21 11:09:53,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:53,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:09:53,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464216687] [2020-09-21 11:09:53,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:09:53,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:53,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:09:53,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:09:53,299 INFO L87 Difference]: Start difference. First operand 1128 states and 1449 transitions. Second operand 11 states. [2020-09-21 11:09:55,303 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-21 11:09:55,753 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-21 11:09:56,134 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-21 11:09:58,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:58,315 INFO L93 Difference]: Finished difference Result 2527 states and 3605 transitions. [2020-09-21 11:09:58,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:09:58,316 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 132 [2020-09-21 11:09:58,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:58,326 INFO L225 Difference]: With dead ends: 2527 [2020-09-21 11:09:58,326 INFO L226 Difference]: Without dead ends: 1444 [2020-09-21 11:09:58,331 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=167, Invalid=385, Unknown=0, NotChecked=0, Total=552 [2020-09-21 11:09:58,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1444 states. [2020-09-21 11:09:58,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1444 to 1144. [2020-09-21 11:09:58,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1144 states. [2020-09-21 11:09:58,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 1465 transitions. [2020-09-21 11:09:58,646 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 1465 transitions. Word has length 132 [2020-09-21 11:09:58,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:58,647 INFO L479 AbstractCegarLoop]: Abstraction has 1144 states and 1465 transitions. [2020-09-21 11:09:58,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:09:58,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1465 transitions. [2020-09-21 11:09:58,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-09-21 11:09:58,652 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:58,652 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:09:58,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:09:58,652 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:58,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:58,653 INFO L82 PathProgramCache]: Analyzing trace with hash 856640075, now seen corresponding path program 1 times [2020-09-21 11:09:58,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:58,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1143037164] [2020-09-21 11:09:58,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:58,977 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:58,977 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:58,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:58,978 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:58,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-21 11:09:58,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:58,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-09-21 11:09:58,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:58,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:09:58,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:58,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-09-21 11:09:58,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,317 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-21 11:09:59,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,381 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,382 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:59,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-21 11:09:59,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:59,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:09:59,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:59,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:59,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:59,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:59,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:09:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,462 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,463 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:09:59,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:59,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:59,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:09:59,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,475 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:59,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:59,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:59,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:59,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:59,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:59,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:59,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:59,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:59,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:09:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,485 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:59,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:59,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:59,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:59,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,490 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,491 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,491 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:59,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:59,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:59,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:59,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:09:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,495 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,495 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,496 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:59,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:59,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:59,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:59,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:09:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:59,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:59,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:59,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:59,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:09:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,506 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:59,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:59,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:59,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:59,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:09:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,513 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,513 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:59,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:59,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:59,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:09:59,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 11:09:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:59,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:59,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:59,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:59,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-09-21 11:09:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:59,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:59,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:59,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:59,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-21 11:09:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:09:59,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:59,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:59,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-21 11:09:59,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:09:59,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,589 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,590 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,590 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-09-21 11:09:59,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:59,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:59,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 11:09:59,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,611 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,611 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,611 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,611 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:09:59,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:59,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:59,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 11:09:59,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,633 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,633 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,633 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:09:59,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:59,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:59,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:09:59,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,654 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:59,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:59,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:59,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:09:59,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,676 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:59,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:59,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:59,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:09:59,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,694 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,694 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:09:59,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:59,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:59,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:09:59,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,699 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,700 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,700 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:59,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:59,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:59,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:59,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:59,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:09:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,708 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,708 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,708 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:59,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:59,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:59,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:59,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:59,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-21 11:09:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:59,712 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:59,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:59,713 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:59,713 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:59,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:59,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:59,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:59,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:59,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:59,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:59,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:59,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:59,754 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-09-21 11:09:59,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1143037164] [2020-09-21 11:09:59,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:09:59,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:09:59,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439325510] [2020-09-21 11:09:59,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:09:59,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:59,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:09:59,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:09:59,757 INFO L87 Difference]: Start difference. First operand 1144 states and 1465 transitions. Second operand 10 states. [2020-09-21 11:10:00,450 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-21 11:10:01,532 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-21 11:10:07,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:10:07,102 INFO L93 Difference]: Finished difference Result 3668 states and 5255 transitions. [2020-09-21 11:10:07,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-21 11:10:07,103 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 132 [2020-09-21 11:10:07,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:10:07,124 INFO L225 Difference]: With dead ends: 3668 [2020-09-21 11:10:07,124 INFO L226 Difference]: Without dead ends: 2569 [2020-09-21 11:10:07,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 53 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=266, Invalid=726, Unknown=0, NotChecked=0, Total=992 [2020-09-21 11:10:07,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2569 states. [2020-09-21 11:10:07,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2160. [2020-09-21 11:10:07,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2160 states. [2020-09-21 11:10:07,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 2160 states and 2823 transitions. [2020-09-21 11:10:07,632 INFO L78 Accepts]: Start accepts. Automaton has 2160 states and 2823 transitions. Word has length 132 [2020-09-21 11:10:07,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:10:07,632 INFO L479 AbstractCegarLoop]: Abstraction has 2160 states and 2823 transitions. [2020-09-21 11:10:07,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:10:07,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 2823 transitions. [2020-09-21 11:10:07,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-09-21 11:10:07,638 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:10:07,639 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:10:07,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:10:07,639 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:10:07,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:10:07,640 INFO L82 PathProgramCache]: Analyzing trace with hash 2033559269, now seen corresponding path program 1 times [2020-09-21 11:10:07,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:10:07,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [382459514] [2020-09-21 11:10:07,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:10:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:07,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:07,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:07,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:07,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:07,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-21 11:10:07,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:07,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:10:07,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:07,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:10:07,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-09-21 11:10:07,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-09-21 11:10:07,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:08,074 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-21 11:10:08,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:10:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,083 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:08,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:08,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:08,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:08,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:08,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:10:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:08,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:10:08,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:08,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:08,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:08,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:10:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:10:08,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:08,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:08,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:08,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:08,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:10:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:08,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:10:08,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:08,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:08,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:08,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:10:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:08,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:08,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:08,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:08,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:08,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:10:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,170 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,170 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,171 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:08,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:10:08,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:08,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:08,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:08,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:10:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:08,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:10:08,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:08,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:08,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:08,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:10:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,179 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,179 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:08,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:10:08,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:08,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:08,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:08,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:10:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,184 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,184 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:08,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:10:08,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:08,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:08,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:08,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:10:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:08,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:10:08,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:08,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:08,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:08,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:10:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,192 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,192 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:10:08,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:10:08,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:08,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:08,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:08,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 11:10:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:08,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:08,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:08,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:10:08,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:08,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:10:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,231 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:08,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:08,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:08,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:10:08,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:08,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-21 11:10:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,248 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,248 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,249 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:08,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:08,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:08,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:10:08,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:08,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-21 11:10:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:10:08,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:10:08,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:08,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-21 11:10:08,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:08,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:10:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,291 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,292 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-09-21 11:10:08,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:08,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:08,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:08,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:08,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:10:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:10:08,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:08,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:08,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:08,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:08,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:10:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,317 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:10:08,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:08,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:08,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:08,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:08,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:10:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:10:08,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:10:08,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:08,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:08,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:08,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:10:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:10:08,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:08,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:08,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:08,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:08,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:10:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,345 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,346 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:10:08,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:08,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:08,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:08,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:08,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:10:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:08,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:08,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:10:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:10:08,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:10:08,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-21 11:10:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,365 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,366 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:08,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:08,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:10:08,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:08,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-21 11:10:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:10:08,372 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:10:08,372 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:10:08,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:10:08,373 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:10:08,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:10:08,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:10:08,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:10:08,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:10:08,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:10:08,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:10:08,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:10:08,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:10:08,416 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-09-21 11:10:08,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [382459514] [2020-09-21 11:10:08,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:10:08,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:10:08,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549722765] [2020-09-21 11:10:08,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:10:08,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:10:08,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:10:08,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:10:08,420 INFO L87 Difference]: Start difference. First operand 2160 states and 2823 transitions. Second operand 10 states.