/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_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:08:11,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:08:11,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:08:11,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:08:11,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:08:11,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:08:11,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:08:11,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:08:11,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:08:11,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:08:11,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:08:11,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:08:11,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:08:11,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:08:11,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:08:11,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:08:11,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:08:11,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:08:11,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:08:11,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:08:11,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:08:11,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:08:11,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:08:11,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:08:11,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:08:11,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:08:11,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:08:11,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:08:11,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:08:11,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:08:11,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:08:11,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:08:11,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:08:11,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:08:11,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:08:11,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:08:11,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:08:11,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:08:11,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:08:11,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:08:11,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:08:11,473 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 11:08:11,532 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:08:11,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:08:11,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:08:11,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:08:11,534 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:08:11,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:08:11,536 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:08:11,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:08:11,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:08:11,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:08:11,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:08:11,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:08:11,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:08:11,537 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:08:11,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:08:11,538 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:08:11,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:08:11,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:08:11,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:08:11,538 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:08:11,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:08:11,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:08:11,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:08:11,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:08:11,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:08:11,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:08:11,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:08:11,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:08:11,541 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:08:11,542 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 11:08:12,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:08:12,053 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:08:12,057 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:08:12,059 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:08:12,059 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:08:12,061 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product42.cil.c [2020-09-21 11:08:12,137 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6a8f9eed/2a44a8850c434d10a3f28a00beaff62e/FLAG9fa0f934d [2020-09-21 11:08:12,718 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:08:12,722 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product42.cil.c [2020-09-21 11:08:12,740 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6a8f9eed/2a44a8850c434d10a3f28a00beaff62e/FLAG9fa0f934d [2020-09-21 11:08:12,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6a8f9eed/2a44a8850c434d10a3f28a00beaff62e [2020-09-21 11:08:12,974 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:08:12,980 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:08:12,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:08:12,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:08:12,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:08:12,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:08:12" (1/1) ... [2020-09-21 11:08:12,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71155234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:12, skipping insertion in model container [2020-09-21 11:08:12,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:08:12" (1/1) ... [2020-09-21 11:08:13,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:08:13,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:08:13,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:08:13,605 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:08:13,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:08:13,749 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:08:13,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:13 WrapperNode [2020-09-21 11:08:13,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:08:13,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:08:13,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:08:13,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:08:13,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:13" (1/1) ... [2020-09-21 11:08:13,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:13" (1/1) ... [2020-09-21 11:08:13,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:13" (1/1) ... [2020-09-21 11:08:13,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:13" (1/1) ... [2020-09-21 11:08:13,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:13" (1/1) ... [2020-09-21 11:08:13,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:13" (1/1) ... [2020-09-21 11:08:13,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:13" (1/1) ... [2020-09-21 11:08:13,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:08:13,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:08:13,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:08:13,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:08:13,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:13" (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 11:08:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:08:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:08:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:08:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:08:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:08:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:08:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:08:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:08:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:08:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:08:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:08:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:08:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:08:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-21 11:08:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:08:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:08:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:08:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:08:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:08:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:08:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:08:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:08:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:08:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:08:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:08:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:08:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:08:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:08:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:08:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:08:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:08:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:08:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:08:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:08:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:08:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:08:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:08:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:08:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:08:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:08:13,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:08:13,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:08:13,923 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:08:13,923 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:08:13,923 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:08:13,923 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:08:13,924 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:08:13,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:08:13,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:08:13,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:08:13,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:08:13,924 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:08:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:08:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:08:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:08:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:08:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:08:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:08:13,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:08:13,926 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:08:13,926 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:08:13,926 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:08:13,926 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:08:13,926 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:08:13,926 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:08:13,926 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:08:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:08:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:08:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:08:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:08:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:08:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:08:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:08:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:08:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 11:08:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:08:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:08:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:08:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-21 11:08:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:08:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:08:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 11:08:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:08:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:08:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:08:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:08:13,930 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:08:13,930 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:08:13,930 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:08:13,930 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:08:13,930 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:08:13,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:08:13,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:08:13,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:08:14,998 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:08:14,999 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:08:15,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:08:15 BoogieIcfgContainer [2020-09-21 11:08:15,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:08:15,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:08:15,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:08:15,010 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:08:15,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:08:12" (1/3) ... [2020-09-21 11:08:15,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e9a599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:08:15, skipping insertion in model container [2020-09-21 11:08:15,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:08:13" (2/3) ... [2020-09-21 11:08:15,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e9a599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:08:15, skipping insertion in model container [2020-09-21 11:08:15,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:08:15" (3/3) ... [2020-09-21 11:08:15,014 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product42.cil.c [2020-09-21 11:08:15,025 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:08:15,035 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:08:15,058 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:08:15,090 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:08:15,091 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:08:15,091 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:08:15,091 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:08:15,091 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:08:15,091 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:08:15,092 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:08:15,092 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:08:15,119 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-09-21 11:08:15,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:08:15,130 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:15,131 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:15,132 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:15,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:15,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1331255295, now seen corresponding path program 1 times [2020-09-21 11:08:15,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:15,151 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1833150764] [2020-09-21 11:08:15,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:08:15,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:08:15,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:15,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:08:15,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:15,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:15,919 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:15,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:15,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:15,935 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:15,935 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:15,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:15,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:15,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:15,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:15,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:15,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:15,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:15,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:15,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:16,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:16,025 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:16,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:16,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:16,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:16,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:16,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:16,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:16,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:16,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:16,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:16,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:16,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:16,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:16,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:16,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:16,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:16,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:16,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:16,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:16,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:16,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:16,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:16,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:16,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:16,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:16,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:16,046 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:16,046 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:16,046 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:16,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:16,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:16,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:16,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:16,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:16,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:16,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:16,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:16,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:16,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:16,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:16,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:16,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:16,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:16,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:16,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:16,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:16,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:16,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:16,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:16,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:16,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:16,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:16,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:16,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:16,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:16,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:16,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:16,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:16,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:16,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:16,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:16,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:16,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:16,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:16,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:08:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:16,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:16,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:16,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:16,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:16,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:16,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:16,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:16,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:16,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:16,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:16,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:16,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:16,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:08:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:16,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:16,094 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:16,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:16,095 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:16,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:16,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:16,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:16,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:16,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:16,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:16,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:16,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:08:16,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:16,150 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1833150764] [2020-09-21 11:08:16,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:16,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:08:16,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11368148] [2020-09-21 11:08:16,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:08:16,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:16,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:08:16,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:08:16,182 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 4 states. [2020-09-21 11:08:17,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:17,336 INFO L93 Difference]: Finished difference Result 284 states and 370 transitions. [2020-09-21 11:08:17,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:08:17,338 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:08:17,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:17,355 INFO L225 Difference]: With dead ends: 284 [2020-09-21 11:08:17,356 INFO L226 Difference]: Without dead ends: 159 [2020-09-21 11:08:17,361 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:08:17,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-09-21 11:08:17,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 126. [2020-09-21 11:08:17,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-09-21 11:08:17,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2020-09-21 11:08:17,458 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 51 [2020-09-21 11:08:17,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:17,459 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2020-09-21 11:08:17,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:08:17,459 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2020-09-21 11:08:17,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:08:17,463 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:17,463 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:17,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:08:17,464 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:17,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:17,464 INFO L82 PathProgramCache]: Analyzing trace with hash -42152189, now seen corresponding path program 1 times [2020-09-21 11:08:17,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:17,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1779119944] [2020-09-21 11:08:17,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,528 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:08:17,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:08:17,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:17,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:08:17,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:08:17,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,919 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:17,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:17,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:17,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:17,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:17,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,974 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,975 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:17,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:17,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,980 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,980 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,980 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:17,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:17,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:17,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:17,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:17,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:17,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:17,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:17,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:17,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:17,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:17,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:17,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:17,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:17,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:17,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:18,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:18,024 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:18,024 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:18,024 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:18,024 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:18,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:18,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:18,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:18,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:18,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:18,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:18,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:18,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:18,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:08:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:18,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:18,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:18,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:18,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:18,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:18,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:18,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:18,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:18,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:18,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:18,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:18,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:18,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:08:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:18,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:18,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:18,037 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:18,037 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:18,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:18,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:18,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:18,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:18,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:18,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:18,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:18,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:18,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:18,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1779119944] [2020-09-21 11:08:18,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:18,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:08:18,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830415944] [2020-09-21 11:08:18,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:08:18,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:18,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:08:18,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:08:18,050 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 5 states. [2020-09-21 11:08:18,596 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:19,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:19,621 INFO L93 Difference]: Finished difference Result 225 states and 277 transitions. [2020-09-21 11:08:19,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:08:19,622 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 11:08:19,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:19,626 INFO L225 Difference]: With dead ends: 225 [2020-09-21 11:08:19,626 INFO L226 Difference]: Without dead ends: 149 [2020-09-21 11:08:19,627 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:08:19,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-09-21 11:08:19,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 117. [2020-09-21 11:08:19,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-09-21 11:08:19,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2020-09-21 11:08:19,667 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 52 [2020-09-21 11:08:19,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:19,667 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2020-09-21 11:08:19,667 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:08:19,667 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2020-09-21 11:08:19,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 11:08:19,669 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:19,670 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:19,670 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:08:19,670 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:19,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:19,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1757460962, now seen corresponding path program 1 times [2020-09-21 11:08:19,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:19,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1717574804] [2020-09-21 11:08:19,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:20,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:08:20,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:20,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:20,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:20,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:08:20,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:20,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 410 [2020-09-21 11:08:20,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:20,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:08:20,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:20,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 11:08:20,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:20,509 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:20,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:20,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:20,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:20,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:20,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:20,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:20,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:20,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 11:08:20,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:20,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:20,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:20,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:20,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:20,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:20,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:20,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:20,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:20,652 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:20,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:20,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:20,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:20,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:20,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:20,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:20,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:20,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:20,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:20,656 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:20,657 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:20,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:20,658 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:20,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:20,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:20,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:20,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:20,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:20,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:20,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:20,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:20,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:20,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:20,664 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:20,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:20,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:20,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:20,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:20,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:20,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:20,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:20,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:20,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:20,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:20,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:20,674 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:20,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:20,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:20,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:20,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:20,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:20,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:20,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:20,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:20,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:20,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:20,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:20,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:20,688 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:20,689 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:20,689 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:20,689 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:20,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:20,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:20,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:20,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:20,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:20,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:20,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:20,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:20,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:08:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:20,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:20,695 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:20,695 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:20,695 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:20,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:20,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:20,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:20,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:20,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:20,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:20,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:20,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:20,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:08:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:20,701 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:20,701 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:20,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:20,701 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:20,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:20,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:20,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:20,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:20,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:20,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:20,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:20,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:20,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:20,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1717574804] [2020-09-21 11:08:20,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:20,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:08:20,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596242616] [2020-09-21 11:08:20,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:08:20,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:20,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:08:20,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:08:20,718 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 5 states. [2020-09-21 11:08:21,107 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:22,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:22,137 INFO L93 Difference]: Finished difference Result 238 states and 296 transitions. [2020-09-21 11:08:22,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:08:22,138 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-09-21 11:08:22,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:22,142 INFO L225 Difference]: With dead ends: 238 [2020-09-21 11:08:22,142 INFO L226 Difference]: Without dead ends: 149 [2020-09-21 11:08:22,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:08:22,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-09-21 11:08:22,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 117. [2020-09-21 11:08:22,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-09-21 11:08:22,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2020-09-21 11:08:22,179 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 57 [2020-09-21 11:08:22,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:22,179 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2020-09-21 11:08:22,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:08:22,180 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2020-09-21 11:08:22,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:08:22,182 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:22,182 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:22,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:08:22,182 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:22,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:22,183 INFO L82 PathProgramCache]: Analyzing trace with hash 2060596455, now seen corresponding path program 1 times [2020-09-21 11:08:22,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:22,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [702662326] [2020-09-21 11:08:22,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:22,539 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:22,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:22,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:22,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:22,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:08:22,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:22,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-09-21 11:08:22,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:22,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:08:22,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:22,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-21 11:08:22,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:23,009 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:23,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:23,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:23,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:23,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:23,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:23,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:23,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:23,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-21 11:08:23,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:23,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:23,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:23,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:23,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:23,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:23,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:23,131 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:23,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:23,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:23,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:23,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:23,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:23,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:23,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:23,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:23,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:23,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:23,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:23,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:23,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:23,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:23,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:23,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:23,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:23,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:23,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:23,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:23,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:23,147 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:23,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:23,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:23,148 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:23,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:23,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:23,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:23,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:23,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:23,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:23,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:23,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:23,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:23,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:23,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:23,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:23,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:23,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:23,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:23,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:23,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:23,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:23,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:23,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:23,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:23,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:23,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:23,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:23,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:23,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:23,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:23,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:23,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:23,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:23,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:23,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:23,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:23,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:08:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:23,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:23,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:23,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:23,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:23,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:08:23,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:23,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:23,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:23,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:23,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:08:23,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:08:23,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:23,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:23,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:23,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:23,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:23,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:23,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:23,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:23,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:23,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:23,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:23,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:23,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:23,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:23,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:08:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:23,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:23,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:23,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:23,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:23,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:23,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:23,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:23,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:23,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:23,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:23,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:23,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:23,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:08:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:23,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:23,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:23,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:23,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:23,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:23,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:23,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:23,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:23,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:23,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:23,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:23,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:23,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:23,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [702662326] [2020-09-21 11:08:23,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:23,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:08:23,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467335192] [2020-09-21 11:08:23,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:08:23,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:23,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:08:23,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:08:23,254 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 7 states. [2020-09-21 11:08:23,788 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:25,148 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:25,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:25,965 INFO L93 Difference]: Finished difference Result 328 states and 412 transitions. [2020-09-21 11:08:25,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:08:25,966 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2020-09-21 11:08:25,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:25,970 INFO L225 Difference]: With dead ends: 328 [2020-09-21 11:08:25,970 INFO L226 Difference]: Without dead ends: 239 [2020-09-21 11:08:25,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:08:25,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2020-09-21 11:08:26,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 190. [2020-09-21 11:08:26,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-09-21 11:08:26,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 219 transitions. [2020-09-21 11:08:26,023 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 219 transitions. Word has length 65 [2020-09-21 11:08:26,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:26,024 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 219 transitions. [2020-09-21 11:08:26,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:08:26,024 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 219 transitions. [2020-09-21 11:08:26,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-09-21 11:08:26,026 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:26,026 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:26,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:08:26,027 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:26,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:26,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1161742780, now seen corresponding path program 1 times [2020-09-21 11:08:26,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:26,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [800785689] [2020-09-21 11:08:26,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,374 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-21 11:08:26,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 301 [2020-09-21 11:08:26,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:08:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-21 11:08:26,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:26,700 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:26,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:26,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:08:26,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:26,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:26,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,787 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,787 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,787 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,787 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:26,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:26,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:26,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:26,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,792 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:26,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:26,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:26,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:26,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,797 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:26,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:26,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:26,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:26,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,803 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,804 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,804 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,804 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:26,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:26,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:26,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:26,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,818 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,818 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,818 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,818 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:26,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:26,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:26,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:26,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:08:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,838 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,838 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:08:26,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:26,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:26,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 11:08:26,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,846 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,846 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:26,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:26,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:26,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:26,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,852 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:26,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:26,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:26,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:26,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:26,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:26,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:26,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:26,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:08:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:26,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:26,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:26,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:26,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:26,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-21 11:08:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:26,887 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:26,887 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:26,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:26,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:26,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:26,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:26,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:26,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:26,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:26,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:26,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:26,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:26,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:26,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [800785689] [2020-09-21 11:08:26,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:26,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:08:26,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973248999] [2020-09-21 11:08:26,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:08:26,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:26,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:08:26,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:08:26,906 INFO L87 Difference]: Start difference. First operand 190 states and 219 transitions. Second operand 9 states. [2020-09-21 11:08:27,456 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:28,879 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:29,306 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:29,992 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:30,316 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:31,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:31,467 INFO L93 Difference]: Finished difference Result 566 states and 718 transitions. [2020-09-21 11:08:31,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 11:08:31,468 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2020-09-21 11:08:31,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:31,472 INFO L225 Difference]: With dead ends: 566 [2020-09-21 11:08:31,472 INFO L226 Difference]: Without dead ends: 404 [2020-09-21 11:08:31,474 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-09-21 11:08:31,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2020-09-21 11:08:31,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 328. [2020-09-21 11:08:31,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2020-09-21 11:08:31,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 378 transitions. [2020-09-21 11:08:31,560 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 378 transitions. Word has length 79 [2020-09-21 11:08:31,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:31,560 INFO L479 AbstractCegarLoop]: Abstraction has 328 states and 378 transitions. [2020-09-21 11:08:31,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:08:31,561 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 378 transitions. [2020-09-21 11:08:31,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-09-21 11:08:31,563 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:31,563 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:31,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:08:31,564 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:31,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:31,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1027537504, now seen corresponding path program 1 times [2020-09-21 11:08:31,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:31,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [787417566] [2020-09-21 11:08:31,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:32,022 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:32,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:32,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:32,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:32,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-09-21 11:08:32,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:32,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 406 [2020-09-21 11:08:32,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:32,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:08:32,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:32,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-21 11:08:32,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:32,389 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:32,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:32,449 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:32,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:32,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:32,450 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:32,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:32,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:32,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 11:08:32,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:32,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:32,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:32,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:32,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:32,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:32,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:32,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:32,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:32,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:32,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:32,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:32,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:32,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:32,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:32,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:32,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:32,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:32,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:32,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:32,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:32,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:32,488 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:32,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:32,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:32,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:32,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:32,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:32,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:32,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:32,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:32,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:32,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:32,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:32,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:32,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:32,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:32,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:32,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:32,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:32,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:32,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:32,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:32,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:32,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:32,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:32,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:32,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:32,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:32,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:32,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:32,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:32,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:32,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:32,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:32,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:32,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:32,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:32,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:32,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:32,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:32,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:32,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:32,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:32,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:32,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:32,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:32,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:32,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:32,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:32,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:32,539 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:32,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:32,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:32,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:32,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:32,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:32,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:32,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:32,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:32,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:32,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:32,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:32,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:08:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:32,568 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:32,568 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:32,568 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:32,568 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:32,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:08:32,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:32,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:32,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:32,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:08:32,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:32,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:32,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:32,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:32,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:32,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:32,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:32,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:32,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:32,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:32,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:32,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:32,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:08:32,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:32,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:32,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:32,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:32,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:32,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:32,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:32,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:32,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:32,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:32,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:32,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:32,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:32,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:32,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:32,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:32,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:32,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:32,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:32,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:32,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:32,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:32,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:32,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:32,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:32,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:32,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:32,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-09-21 11:08:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:32,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:32,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:32,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:32,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:32,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:32,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:32,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:32,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:32,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:32,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:32,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:32,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:32,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 11:08:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:32,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:32,606 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:32,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:32,606 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:32,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:32,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:32,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:32,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:32,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:32,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:32,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:32,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:32,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:08:32,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [787417566] [2020-09-21 11:08:32,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:32,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:08:32,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928858409] [2020-09-21 11:08:32,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:08:32,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:32,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:08:32,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:08:32,642 INFO L87 Difference]: Start difference. First operand 328 states and 378 transitions. Second operand 10 states. [2020-09-21 11:08:33,306 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:35,012 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:36,208 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:08:36,551 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:36,953 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:37,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:37,465 INFO L93 Difference]: Finished difference Result 742 states and 925 transitions. [2020-09-21 11:08:37,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-21 11:08:37,467 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2020-09-21 11:08:37,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:37,472 INFO L225 Difference]: With dead ends: 742 [2020-09-21 11:08:37,472 INFO L226 Difference]: Without dead ends: 442 [2020-09-21 11:08:37,473 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2020-09-21 11:08:37,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-09-21 11:08:37,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 327. [2020-09-21 11:08:37,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-09-21 11:08:37,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 375 transitions. [2020-09-21 11:08:37,544 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 375 transitions. Word has length 83 [2020-09-21 11:08:37,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:37,545 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 375 transitions. [2020-09-21 11:08:37,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:08:37,545 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 375 transitions. [2020-09-21 11:08:37,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-09-21 11:08:37,547 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:37,547 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:37,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:08:37,547 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:37,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:37,548 INFO L82 PathProgramCache]: Analyzing trace with hash 928544888, now seen corresponding path program 1 times [2020-09-21 11:08:37,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:37,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1623096035] [2020-09-21 11:08:37,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:37,602 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:37,603 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:37,603 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:37,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:37,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:08:37,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:37,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:08:37,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:37,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:08:37,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-09-21 11:08:37,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:08:37,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:37,955 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:37,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:37,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:37,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:37,967 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:37,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:37,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:37,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:37,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:37,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:37,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:37,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:37,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:37,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:37,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:37,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:37,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:37,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:37,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:37,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:37,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:38,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:38,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:38,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,003 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:38,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:38,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:38,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:38,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:38,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:38,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:38,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:38,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,015 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:38,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:38,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:38,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:38,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:38,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:38,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:38,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:38,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,049 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:38,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:38,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:38,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:38,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:08:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:08:38,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:08:38,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:08:38,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:08:38,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:08:38,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:38,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:38,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:08:38,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:38,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:38,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:08:38,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:38,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:38,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:38,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:38,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:38,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,217 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,218 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:08:38,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:38,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:08:38,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:38,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,224 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:08:38,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:38,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:38,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:38,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:38,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:38,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:38,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:38,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,237 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,238 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,238 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,238 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:38,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:38,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:38,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:38,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:08:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,246 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,246 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,247 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,247 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:38,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:38,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:38,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:38,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 11:08:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:38,252 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:38,252 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:38,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:38,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:38,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:38,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:38,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:38,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:38,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:38,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:38,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:38,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:38,268 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:08:38,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1623096035] [2020-09-21 11:08:38,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:38,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:08:38,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666139538] [2020-09-21 11:08:38,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:08:38,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:38,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:08:38,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:08:38,273 INFO L87 Difference]: Start difference. First operand 327 states and 375 transitions. Second operand 10 states. [2020-09-21 11:08:39,466 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:39,816 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:08:40,169 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:40,518 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:08:41,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:41,821 INFO L93 Difference]: Finished difference Result 749 states and 953 transitions. [2020-09-21 11:08:41,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:08:41,821 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2020-09-21 11:08:41,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:41,827 INFO L225 Difference]: With dead ends: 749 [2020-09-21 11:08:41,827 INFO L226 Difference]: Without dead ends: 450 [2020-09-21 11:08:41,829 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:08:41,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2020-09-21 11:08:41,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 337. [2020-09-21 11:08:41,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-09-21 11:08:41,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 385 transitions. [2020-09-21 11:08:41,939 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 385 transitions. Word has length 99 [2020-09-21 11:08:41,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:41,939 INFO L479 AbstractCegarLoop]: Abstraction has 337 states and 385 transitions. [2020-09-21 11:08:41,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:08:41,940 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 385 transitions. [2020-09-21 11:08:41,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-09-21 11:08:41,943 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:41,944 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:41,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:08:41,944 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:41,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:41,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1120842954, now seen corresponding path program 1 times [2020-09-21 11:08:41,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:41,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [816042192] [2020-09-21 11:08:41,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,003 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:08:42,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -56 [2020-09-21 11:08:42,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 56 [2020-09-21 11:08:42,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:08:42,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:08:42,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:42,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-21 11:08:42,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:42,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,291 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:42,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,300 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,301 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:42,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:42,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,334 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,334 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,334 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,334 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:42,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:42,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:42,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:42,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,372 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,373 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,373 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:42,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:08:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,399 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,400 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,400 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:08:42,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:08:42,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:42,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:08:42,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:42,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:42,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:42,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:08:42,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:08:42,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:42,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,438 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,438 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:42,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:42,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:08:42,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:42,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:42,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:08:42,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:42,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:08:42,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:08:42,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:42,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,480 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,480 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,481 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:42,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:42,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:42,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,488 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:42,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:42,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:08:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,496 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:42,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:42,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:42,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:42,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 11:08:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:42,501 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:42,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:42,502 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:42,502 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:42,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:42,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:42,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:42,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:42,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:42,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:42,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:42,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:42,525 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:08:42,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [816042192] [2020-09-21 11:08:42,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:42,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:08:42,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851564395] [2020-09-21 11:08:42,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:08:42,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:42,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:08:42,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:08:42,533 INFO L87 Difference]: Start difference. First operand 337 states and 385 transitions. Second operand 9 states. [2020-09-21 11:08:43,586 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:43,871 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:44,207 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:08:45,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:45,219 INFO L93 Difference]: Finished difference Result 769 states and 975 transitions. [2020-09-21 11:08:45,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:08:45,219 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 99 [2020-09-21 11:08:45,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:45,223 INFO L225 Difference]: With dead ends: 769 [2020-09-21 11:08:45,223 INFO L226 Difference]: Without dead ends: 460 [2020-09-21 11:08:45,225 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:08:45,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2020-09-21 11:08:45,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 345. [2020-09-21 11:08:45,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2020-09-21 11:08:45,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 393 transitions. [2020-09-21 11:08:45,294 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 393 transitions. Word has length 99 [2020-09-21 11:08:45,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:45,295 INFO L479 AbstractCegarLoop]: Abstraction has 345 states and 393 transitions. [2020-09-21 11:08:45,295 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:08:45,295 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 393 transitions. [2020-09-21 11:08:45,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-09-21 11:08:45,298 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:45,299 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:45,299 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:08:45,299 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:45,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:45,299 INFO L82 PathProgramCache]: Analyzing trace with hash -151261931, now seen corresponding path program 1 times [2020-09-21 11:08:45,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:45,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1315315988] [2020-09-21 11:08:45,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:45,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:45,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:45,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:45,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:45,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-09-21 11:08:45,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:45,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-09-21 11:08:45,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:45,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:08:45,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:45,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 11:08:45,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:45,921 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:45,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:45,982 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:45,982 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:45,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:45,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:45,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:45,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:45,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 11:08:45,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:45,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:45,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:45,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:45,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,021 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,021 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:46,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:46,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:46,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,027 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,027 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:46,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:46,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:46,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:46,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:46,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:46,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:46,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:46,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:46,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:46,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:46,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:08:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,066 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,066 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:46,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:46,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:46,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:08:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:08:46,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:46,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:08:46,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 11:08:46,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,106 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:46,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:46,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:08:46,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:46,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:46,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:08:46,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,144 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:08:46,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:46,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:08:46,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:08:46,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:46,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:46,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:46,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:46,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:46,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:46,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,160 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:46,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:46,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:46,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:46,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:08:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,167 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,167 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,167 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:46,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:46,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:46,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:46,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:46,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 11:08:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:46,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:46,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:46,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:46,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:46,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:46,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:46,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:46,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:46,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:46,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:46,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:46,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:46,191 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:08:46,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1315315988] [2020-09-21 11:08:46,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:08:46,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:08:46,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903871789] [2020-09-21 11:08:46,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:08:46,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:46,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:08:46,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:08:46,194 INFO L87 Difference]: Start difference. First operand 345 states and 393 transitions. Second operand 8 states. [2020-09-21 11:08:46,711 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:47,462 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:50,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:50,142 INFO L93 Difference]: Finished difference Result 1097 states and 1430 transitions. [2020-09-21 11:08:50,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-21 11:08:50,142 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2020-09-21 11:08:50,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:50,150 INFO L225 Difference]: With dead ends: 1097 [2020-09-21 11:08:50,150 INFO L226 Difference]: Without dead ends: 780 [2020-09-21 11:08:50,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=137, Invalid=369, Unknown=0, NotChecked=0, Total=506 [2020-09-21 11:08:50,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2020-09-21 11:08:50,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 635. [2020-09-21 11:08:50,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-09-21 11:08:50,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 745 transitions. [2020-09-21 11:08:50,263 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 745 transitions. Word has length 99 [2020-09-21 11:08:50,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:50,263 INFO L479 AbstractCegarLoop]: Abstraction has 635 states and 745 transitions. [2020-09-21 11:08:50,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:08:50,264 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 745 transitions. [2020-09-21 11:08:50,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-09-21 11:08:50,265 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:50,266 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:50,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:08:50,266 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:50,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:50,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1889082245, now seen corresponding path program 1 times [2020-09-21 11:08:50,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:50,267 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1096970151] [2020-09-21 11:08:50,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:50,318 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:08:50,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -38 [2020-09-21 11:08:50,319 FATAL L256 erpolLogProxyWrapper]: Difference in width: 38 [2020-09-21 11:08:50,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:50,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-09-21 11:08:50,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:50,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:08:50,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:50,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:08:50,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-09-21 11:08:50,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-21 11:08:50,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:50,731 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:08:50,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:08:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:50,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:50,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:50,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:50,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:50,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:50,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:50,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:50,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:50,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:50,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:50,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:50,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:50,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:08:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:50,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:50,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:50,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:50,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:50,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:50,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:50,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:50,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:50,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:50,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:50,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:50,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:50,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:08:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:50,775 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:50,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:50,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:50,776 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:50,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:50,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:50,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:50,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:50,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:50,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:50,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:50,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:50,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:50,781 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:50,781 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:50,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:50,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:50,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:50,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:50,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:50,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:50,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:50,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:50,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:50,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:50,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:08:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:50,787 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:50,787 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:50,788 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:50,788 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:50,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:08:50,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:50,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:50,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:50,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:50,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:50,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:50,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:50,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:08:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:50,806 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:50,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:50,806 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:50,807 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:50,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:50,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:50,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:50,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:50,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:50,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:50,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:50,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:50,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:08:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:50,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:50,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:50,833 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:50,833 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:50,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:50,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:50,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:08:50,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:50,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:50,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:50,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:50,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:50,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:08:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:50,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:50,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:50,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:50,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:50,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:50,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:50,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:50,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:50,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:50,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:50,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:08:50,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:50,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:08:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:50,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:50,893 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:50,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:50,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:50,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:08:50,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:50,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:08:50,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:50,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:08:50,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-21 11:08:50,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-21 11:08:50,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:50,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:08:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:50,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:50,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:50,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:50,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:50,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:08:50,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:50,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:50,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:50,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:50,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:50,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:50,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:50,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:50,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:50,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:50,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:50,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:50,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:08:50,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:50,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:08:50,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:50,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:50,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:50,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:50,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:08:50,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:08:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:50,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:50,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:50,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:50,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:50,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:08:50,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:50,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:08:50,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:50,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:08:50,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:50,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:08:50,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:51,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:51,028 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:51,028 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:51,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:51,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:51,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:08:51,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:51,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:08:51,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:51,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:08:51,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:51,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:08:51,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:51,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:08:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:51,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:51,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:51,094 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:51,094 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:51,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:51,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:51,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:08:51,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:51,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:08:51,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:51,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:08:51,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:08:51,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:08:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:51,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:51,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:51,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:51,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:51,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:51,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:51,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:51,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:51,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:08:51,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:08:51,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:08:51,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:51,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-09-21 11:08:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:51,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:51,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:51,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:51,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:51,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:51,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:51,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:08:51,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:51,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:51,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:51,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:51,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:51,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-21 11:08:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:51,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:51,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:51,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:51,131 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:51,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:08:51,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:51,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:08:51,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:51,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:08:51,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:08:51,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:08:51,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:08:51,146 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:08:51,147 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1096970151] [2020-09-21 11:08:51,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:08:51,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 11:08:51,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778235054] [2020-09-21 11:08:51,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 11:08:51,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:08:51,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 11:08:51,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:08:51,148 INFO L87 Difference]: Start difference. First operand 635 states and 745 transitions. Second operand 14 states. [2020-09-21 11:08:51,748 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:52,785 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:08:53,934 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:54,355 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:54,721 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:55,057 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:55,446 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:55,836 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:56,173 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:56,558 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:57,031 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:57,455 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:08:59,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:08:59,647 INFO L93 Difference]: Finished difference Result 1355 states and 1681 transitions. [2020-09-21 11:08:59,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-09-21 11:08:59,648 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 103 [2020-09-21 11:08:59,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:08:59,654 INFO L225 Difference]: With dead ends: 1355 [2020-09-21 11:08:59,654 INFO L226 Difference]: Without dead ends: 748 [2020-09-21 11:08:59,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 536 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=406, Invalid=1574, Unknown=0, NotChecked=0, Total=1980 [2020-09-21 11:08:59,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-09-21 11:08:59,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 612. [2020-09-21 11:08:59,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-09-21 11:08:59,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 706 transitions. [2020-09-21 11:08:59,829 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 706 transitions. Word has length 103 [2020-09-21 11:08:59,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:08:59,830 INFO L479 AbstractCegarLoop]: Abstraction has 612 states and 706 transitions. [2020-09-21 11:08:59,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-21 11:08:59,830 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 706 transitions. [2020-09-21 11:08:59,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-09-21 11:08:59,834 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:08:59,835 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:08:59,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:08:59,836 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:08:59,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:08:59,836 INFO L82 PathProgramCache]: Analyzing trace with hash -75649928, now seen corresponding path program 1 times [2020-09-21 11:08:59,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:08:59,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1965186960] [2020-09-21 11:08:59,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:08:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:08:59,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:08:59,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:08:59,908 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:08:59,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:08:59,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-21 11:08:59,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:08:59,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:08:59,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:08:59,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:08:59,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 132 [2020-09-21 11:08:59,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-21 11:08:59,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:00,214 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:00,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:00,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:00,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:00,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:00,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,244 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,245 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,245 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:00,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:00,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:00,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:00,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,248 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,248 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,248 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,248 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:00,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:00,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:00,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:00,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,252 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,252 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,252 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:00,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:00,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:00,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:00,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:00,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:00,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:00,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:00,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,267 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,267 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,268 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:00,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:00,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:00,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:00,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:09:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,279 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:00,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:00,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:00,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:00,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:09:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,306 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,306 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:09:00,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:00,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:00,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 11:09:00,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,333 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,333 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,333 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,333 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:09:00,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:00,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:00,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:00,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,341 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:00,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:00,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:00,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:00,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:00,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:00,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:00,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:00,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:09:00,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:00,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:00,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:00,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,363 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,363 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:09:00,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:00,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:00,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:00,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,370 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,370 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:00,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:00,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:00,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:00,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:00,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:00,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:00,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:09:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,383 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:09:00,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:00,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:00,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:09:00,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:00,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:00,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:00,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:00,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:00,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-21 11:09:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,414 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:00,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:00,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:00,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:00,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:00,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-09-21 11:09:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,422 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:00,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:00,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:00,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:00,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:00,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-21 11:09:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:09:00,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:00,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:00,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:09:00,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:00,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,435 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,435 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,435 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:00,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:00,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:00,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:00,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:00,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-21 11:09:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:00,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:00,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:00,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:00,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:00,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-21 11:09:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:00,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:00,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:00,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:00,448 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:00,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:00,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:00,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:00,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:00,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:00,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:00,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:00,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:00,483 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-21 11:09:00,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1965186960] [2020-09-21 11:09:00,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:09:00,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 11:09:00,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782491342] [2020-09-21 11:09:00,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:09:00,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:00,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:09:00,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:09:00,486 INFO L87 Difference]: Start difference. First operand 612 states and 706 transitions. Second operand 9 states. [2020-09-21 11:09:00,975 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:03,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:09:03,651 INFO L93 Difference]: Finished difference Result 1176 states and 1496 transitions. [2020-09-21 11:09:03,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-21 11:09:03,652 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 139 [2020-09-21 11:09:03,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:09:03,660 INFO L225 Difference]: With dead ends: 1176 [2020-09-21 11:09:03,660 INFO L226 Difference]: Without dead ends: 1173 [2020-09-21 11:09:03,661 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=174, Invalid=426, Unknown=0, NotChecked=0, Total=600 [2020-09-21 11:09:03,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2020-09-21 11:09:03,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 957. [2020-09-21 11:09:03,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 957 states. [2020-09-21 11:09:03,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1109 transitions. [2020-09-21 11:09:03,867 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1109 transitions. Word has length 139 [2020-09-21 11:09:03,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:09:03,870 INFO L479 AbstractCegarLoop]: Abstraction has 957 states and 1109 transitions. [2020-09-21 11:09:03,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:09:03,870 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1109 transitions. [2020-09-21 11:09:03,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-09-21 11:09:03,874 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:09:03,875 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:09:03,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:09:03,875 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:09:03,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:09:03,876 INFO L82 PathProgramCache]: Analyzing trace with hash -397466106, now seen corresponding path program 1 times [2020-09-21 11:09:03,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:09:03,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [295529755] [2020-09-21 11:09:03,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:09:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:03,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 9 [2020-09-21 11:09:03,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -50 [2020-09-21 11:09:03,991 FATAL L256 erpolLogProxyWrapper]: Difference in width: 50 [2020-09-21 11:09:03,991 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:03,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-09-21 11:09:03,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:03,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 11:09:03,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:03,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:09:03,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-09-21 11:09:03,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-21 11:09:03,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,345 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:09:04,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:09:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,352 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:04,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,377 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,377 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,377 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,378 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:04,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:04,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:09:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,381 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,381 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,382 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:04,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:04,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:04,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:04,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:04,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:09:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:04,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:09:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,407 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,408 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:04,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:04,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:09:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:04,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:04,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:09:04,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:09:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:09:04,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:04,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:04,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:09:04,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 11:09:04,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:09:04,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:04,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:04,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:09:04,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:09:04,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:04,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:09:04,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:04,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:04,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:09:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,518 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,518 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:09:04,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:09:04,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:09:04,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:04,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,531 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:04,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:04,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:09:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,540 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,540 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,540 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:04,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:04,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:09:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,550 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,551 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,551 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:09:04,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:04,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:09:04,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:04,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:04,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:04,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-21 11:09:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,589 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,590 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,590 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:04,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:04,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:09:04,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:04,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-21 11:09:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,618 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,619 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 11:09:04,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:09:04,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:09:04,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:09:04,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:09:04,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:04,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,674 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:04,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:09:04,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:09:04,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:09:04,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:09:04,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:04,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:09:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,685 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,685 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,686 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:09:04,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:04,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:04,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:09:04,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:04,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,696 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:04,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:04,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-21 11:09:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,705 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,705 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,706 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-21 11:09:04,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:09:04,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 11:09:04,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:04,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:09:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,714 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:04,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:04,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:09:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:04,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:04,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-21 11:09:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,730 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,730 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,731 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,731 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:04,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:04,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:09:04,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:09:04,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:09:04,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:09:04,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-21 11:09:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,758 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:04,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:04,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:04,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-21 11:09:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:09:04,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:09:04,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:09:04,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:04,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:09:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,777 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,778 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,778 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,778 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:09:04,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:09:04,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:04,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-21 11:09:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,784 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,784 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:04,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:09:04,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:04,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:04,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-21 11:09:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:09:04,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:09:04,800 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:09:04,800 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:09:04,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:09:04,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:09:04,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:09:04,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:09:04,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:09:04,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:09:04,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:09:04,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:09:04,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:09:04,876 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-09-21 11:09:04,878 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [295529755] [2020-09-21 11:09:04,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:09:04,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-21 11:09:04,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315316168] [2020-09-21 11:09:04,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-21 11:09:04,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:09:04,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-21 11:09:04,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:09:04,882 INFO L87 Difference]: Start difference. First operand 957 states and 1109 transitions. Second operand 13 states. [2020-09-21 11:09:05,577 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:09:06,327 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189