/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER --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_spec4_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:32:43,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:32:43,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:32:43,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:32:43,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:32:43,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:32:43,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:32:43,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:32:43,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:32:43,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:32:43,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:32:43,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:32:43,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:32:43,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:32:43,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:32:43,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:32:43,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:32:43,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:32:43,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:32:43,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:32:43,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:32:43,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:32:43,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:32:43,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:32:43,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:32:43,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:32:43,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:32:43,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:32:43,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:32:43,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:32:43,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:32:43,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:32:43,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:32:43,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:32:43,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:32:43,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:32:43,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:32:43,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:32:43,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:32:43,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:32:43,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:32:43,897 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 22:32:43,942 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:32:43,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:32:43,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:32:43,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:32:43,945 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:32:43,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:32:43,946 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:32:43,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:32:43,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:32:43,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:32:43,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:32:43,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:32:43,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:32:43,948 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:32:43,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:32:43,949 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:32:43,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:32:43,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:32:43,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:32:43,950 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:32:43,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:32:43,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:32:43,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:32:43,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:32:43,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:32:43,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:32:43,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:32:43,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:32:43,951 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:32:43,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;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;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;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;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;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;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;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;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:32:44,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:32:44,458 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:32:44,462 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:32:44,465 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:32:44,465 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:32:44,467 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_productSimulator.cil.c [2020-09-24 22:32:44,550 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/87b77648e/7a3a1895cb324508ad64a1e7dc3def93/FLAG31abb4fa7 [2020-09-24 22:32:45,235 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:32:45,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_productSimulator.cil.c [2020-09-24 22:32:45,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/87b77648e/7a3a1895cb324508ad64a1e7dc3def93/FLAG31abb4fa7 [2020-09-24 22:32:45,448 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/87b77648e/7a3a1895cb324508ad64a1e7dc3def93 [2020-09-24 22:32:45,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:32:45,466 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:32:45,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:32:45,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:32:45,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:32:45,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:32:45" (1/1) ... [2020-09-24 22:32:45,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:32:45, skipping insertion in model container [2020-09-24 22:32:45,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:32:45" (1/1) ... [2020-09-24 22:32:45,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:32:45,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:32:46,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:32:46,101 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:32:46,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:32:46,246 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:32:46,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:32:46 WrapperNode [2020-09-24 22:32:46,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:32:46,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:32:46,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:32:46,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:32:46,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:32:46" (1/1) ... [2020-09-24 22:32:46,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:32:46" (1/1) ... [2020-09-24 22:32:46,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:32:46" (1/1) ... [2020-09-24 22:32:46,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:32:46" (1/1) ... [2020-09-24 22:32:46,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:32:46" (1/1) ... [2020-09-24 22:32:46,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:32:46" (1/1) ... [2020-09-24 22:32:46,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:32:46" (1/1) ... [2020-09-24 22:32:46,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:32:46,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:32:46,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:32:46,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:32:46,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:32:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:32:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:32:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:32:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 22:32:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 22:32:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 22:32:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 22:32:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 22:32:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:32:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 22:32:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 22:32:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-24 22:32:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-24 22:32:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-24 22:32:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-24 22:32:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-24 22:32:46,436 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-24 22:32:46,436 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 22:32:46,436 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-24 22:32:46,436 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-24 22:32:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 22:32:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 22:32:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 22:32:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 22:32:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 22:32:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 22:32:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 22:32:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 22:32:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 22:32:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 22:32:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 22:32:46,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 22:32:46,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 22:32:46,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 22:32:46,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 22:32:46,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 22:32:46,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 22:32:46,440 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 22:32:46,440 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 22:32:46,440 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 22:32:46,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 22:32:46,440 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 22:32:46,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 22:32:46,441 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 22:32:46,441 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 22:32:46,441 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 22:32:46,441 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 22:32:46,441 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 22:32:46,441 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 22:32:46,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:32:46,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:32:46,442 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 22:32:46,442 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 22:32:46,442 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 22:32:46,443 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 22:32:46,443 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 22:32:46,443 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 22:32:46,443 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 22:32:46,443 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 22:32:46,444 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 22:32:46,444 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 22:32:46,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 22:32:46,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 22:32:46,444 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 22:32:46,444 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:32:46,445 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 22:32:46,445 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 22:32:46,445 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 22:32:46,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 22:32:46,445 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 22:32:46,445 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 22:32:46,445 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 22:32:46,446 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 22:32:46,446 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 22:32:46,446 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 22:32:46,446 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 22:32:46,446 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 22:32:46,447 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 22:32:46,447 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 22:32:46,447 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-24 22:32:46,447 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 22:32:46,447 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-24 22:32:46,447 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-24 22:32:46,448 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 22:32:46,448 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-24 22:32:46,448 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-24 22:32:46,448 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 22:32:46,448 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-24 22:32:46,448 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-24 22:32:46,449 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-24 22:32:46,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 22:32:46,449 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 22:32:46,449 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 22:32:46,449 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 22:32:46,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 22:32:46,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 22:32:46,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 22:32:46,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 22:32:46,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 22:32:46,450 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 22:32:46,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:32:46,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 22:32:46,451 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 22:32:46,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 22:32:46,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 22:32:46,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 22:32:46,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 22:32:46,451 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 22:32:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:32:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 22:32:46,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:32:47,834 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:32:47,834 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 22:32:47,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:32:47 BoogieIcfgContainer [2020-09-24 22:32:47,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:32:47,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:32:47,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:32:47,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:32:47,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:32:45" (1/3) ... [2020-09-24 22:32:47,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232536a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:32:47, skipping insertion in model container [2020-09-24 22:32:47,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:32:46" (2/3) ... [2020-09-24 22:32:47,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@232536a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:32:47, skipping insertion in model container [2020-09-24 22:32:47,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:32:47" (3/3) ... [2020-09-24 22:32:47,853 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_productSimulator.cil.c [2020-09-24 22:32:47,865 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:32:47,877 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 22:32:47,902 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 22:32:47,940 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:32:47,940 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:32:47,940 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:32:47,941 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:32:47,941 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:32:47,941 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:32:47,941 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:32:47,941 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:32:47,977 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states. [2020-09-24 22:32:47,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-09-24 22:32:47,999 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:32:48,000 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:32:48,001 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:32:48,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:32:48,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1119932632, now seen corresponding path program 1 times [2020-09-24 22:32:48,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:32:48,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1055119879] [2020-09-24 22:32:48,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:32:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:48,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:48,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:50,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:52,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:53,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:53,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-24 22:32:53,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 22:32:53,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5093 [2020-09-24 22:32:53,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:53,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:32:53,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 232 [2020-09-24 22:32:53,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 22:32:53,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 22:32:54,253 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 22:32:54,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:32:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:54,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:54,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:54,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 22:32:54,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:54,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-09-24 22:32:54,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:54,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:54,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:54,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:54,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:54,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 22:32:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:54,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:54,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:54,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:32:54,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:54,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:32:54,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:54,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:54,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:54,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:54,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:54,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 22:32:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:54,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:54,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:54,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 22:32:54,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:54,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 22:32:54,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:54,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:54,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:54,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:54,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:54,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:32:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:54,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:54,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:54,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:32:54,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:54,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:32:54,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:54,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:54,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:54,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:54,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:54,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 22:32:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:54,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:54,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:54,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:32:54,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:54,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:32:54,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:54,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:54,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:54,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:54,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:54,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 22:32:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:54,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:54,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:54,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:32:54,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:54,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:32:54,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:54,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:54,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:54,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:54,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:54,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 22:32:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:54,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:54,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:54,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:32:54,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:54,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:32:54,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:54,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:54,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:54,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:54,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:54,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 22:32:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:54,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:54,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:54,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:32:54,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:54,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:32:54,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:54,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:54,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:54,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:54,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:54,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 22:32:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:54,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:54,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:54,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:32:54,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:54,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:32:54,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:54,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:54,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:54,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:54,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:54,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 22:32:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:54,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:54,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:54,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:32:54,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:54,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:32:54,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:54,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:54,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:54,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:54,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:54,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 22:32:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:54,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:54,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:54,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:32:54,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:54,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:32:54,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:54,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:32:54,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:54,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:32:54,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:54,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-24 22:32:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:54,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:54,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:54,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:32:54,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:54,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:32:54,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:54,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:32:54,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:54,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:32:54,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:32:54,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 22:32:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:32:54,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:32:54,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:32:54,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:32:54,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:32:54,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 22:32:54,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:32:54,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:32:54,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:32:54,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:32:54,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:32:54,810 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 22:32:54,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1055119879] [2020-09-24 22:32:54,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:32:54,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 22:32:54,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132613546] [2020-09-24 22:32:54,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 22:32:54,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:32:54,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 22:32:54,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:32:54,844 INFO L87 Difference]: Start difference. First operand 420 states. Second operand 10 states. [2020-09-24 22:32:55,558 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 22:32:57,674 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 22:32:58,098 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-24 22:32:58,563 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 22:32:59,017 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 22:32:59,409 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 22:33:00,627 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 22:33:01,030 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 22:33:01,501 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 22:33:04,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:33:04,337 INFO L93 Difference]: Finished difference Result 833 states and 1060 transitions. [2020-09-24 22:33:04,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 22:33:04,346 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 224 [2020-09-24 22:33:04,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:33:04,376 INFO L225 Difference]: With dead ends: 833 [2020-09-24 22:33:04,376 INFO L226 Difference]: Without dead ends: 570 [2020-09-24 22:33:04,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 22:33:04,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2020-09-24 22:33:04,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 523. [2020-09-24 22:33:04,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2020-09-24 22:33:04,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 620 transitions. [2020-09-24 22:33:04,563 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 620 transitions. Word has length 224 [2020-09-24 22:33:04,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:33:04,564 INFO L479 AbstractCegarLoop]: Abstraction has 523 states and 620 transitions. [2020-09-24 22:33:04,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 22:33:04,565 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 620 transitions. [2020-09-24 22:33:04,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-09-24 22:33:04,576 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:33:04,576 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:33:04,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:33:04,583 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:33:04,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:33:04,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1295229283, now seen corresponding path program 1 times [2020-09-24 22:33:04,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:33:04,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [28117982] [2020-09-24 22:33:04,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:33:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:04,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:04,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:06,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:09,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:09,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-09-24 22:33:09,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 22:33:09,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-09-24 22:33:09,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:09,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:33:09,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 263 [2020-09-24 22:33:09,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:33:09,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:10,066 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 22:33:10,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:33:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:10,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:10,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:10,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 22:33:10,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:10,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-24 22:33:10,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:10,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:10,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:10,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:10,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:10,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 22:33:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:10,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:10,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:10,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:33:10,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:10,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:33:10,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:10,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:10,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:10,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:10,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:10,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 22:33:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:10,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:10,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:10,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 22:33:10,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:10,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-24 22:33:10,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:10,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:10,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:10,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:10,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:10,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:33:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:10,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:10,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:10,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:33:10,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:10,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:33:10,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:10,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:10,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:10,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:10,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:10,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 22:33:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:10,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:10,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:10,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:33:10,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:10,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:33:10,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:10,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:10,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:10,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:10,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:10,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 22:33:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:10,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:10,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:10,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:33:10,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:10,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:33:10,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:10,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:10,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:10,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:10,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:10,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 22:33:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:10,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:10,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:10,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:33:10,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:10,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:33:10,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:10,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:10,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:10,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:10,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:10,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 22:33:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:10,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:10,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:10,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:33:10,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:10,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:33:10,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:10,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:10,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:10,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:10,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:33:10,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 22:33:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:10,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:10,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:10,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:33:10,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:10,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:33:10,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:10,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:10,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:10,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:10,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:10,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 22:33:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:10,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:10,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:10,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:33:10,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:10,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:33:10,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:10,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:10,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:10,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:10,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:10,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 22:33:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:10,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:10,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:10,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:33:10,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:10,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:33:10,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:10,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:10,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:10,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:10,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:33:10,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 22:33:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:10,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:10,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:10,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 22:33:10,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:10,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-24 22:33:10,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:10,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:33:10,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-24 22:33:10,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:33:10,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:33:10,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:33:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:10,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:10,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:10,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 22:33:10,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:10,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-24 22:33:10,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:10,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:33:10,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 22:33:10,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:33:10,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:33:10,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:33:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:10,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:10,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:10,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 22:33:10,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:10,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-24 22:33:10,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:10,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:33:10,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 22:33:10,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:33:10,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:33:10,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:33:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:10,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:10,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:10,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 22:33:10,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:10,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-24 22:33:10,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:10,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:33:10,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 22:33:10,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:33:10,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:33:10,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:33:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:10,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:10,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:10,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:33:10,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:10,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 22:33:10,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:10,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:33:10,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 22:33:10,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:33:10,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:33:10,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:33:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:10,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:10,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:10,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:33:10,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:10,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 22:33:10,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:10,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:33:10,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:10,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:33:10,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:33:10,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:33:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:10,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:10,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:10,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 22:33:10,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:10,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:33:10,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:10,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:10,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-24 22:33:10,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:10,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:33:10,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:33:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:10,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:10,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:10,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:33:10,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:10,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:33:10,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:10,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:10,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:10,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:10,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:10,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-09-24 22:33:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:10,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:10,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:10,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:33:10,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:10,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:33:10,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:10,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:10,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:33:10,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:10,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:33:10,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-24 22:33:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:10,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:10,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:10,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:33:10,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:10,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:33:10,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:10,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:10,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:33:10,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:10,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:33:11,142 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 22:33:11,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [28117982] [2020-09-24 22:33:11,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:33:11,144 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 22:33:11,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849376844] [2020-09-24 22:33:11,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 22:33:11,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:33:11,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 22:33:11,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 22:33:11,151 INFO L87 Difference]: Start difference. First operand 523 states and 620 transitions. Second operand 10 states. [2020-09-24 22:33:13,556 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 22:33:13,965 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 22:33:14,410 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 22:33:14,813 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 22:33:15,172 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 22:33:17,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:33:17,294 INFO L93 Difference]: Finished difference Result 994 states and 1298 transitions. [2020-09-24 22:33:17,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 22:33:17,295 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 274 [2020-09-24 22:33:17,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:33:17,302 INFO L225 Difference]: With dead ends: 994 [2020-09-24 22:33:17,303 INFO L226 Difference]: Without dead ends: 623 [2020-09-24 22:33:17,309 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 22:33:17,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2020-09-24 22:33:17,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 532. [2020-09-24 22:33:17,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 532 states. [2020-09-24 22:33:17,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 629 transitions. [2020-09-24 22:33:17,396 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 629 transitions. Word has length 274 [2020-09-24 22:33:17,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:33:17,397 INFO L479 AbstractCegarLoop]: Abstraction has 532 states and 629 transitions. [2020-09-24 22:33:17,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 22:33:17,398 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 629 transitions. [2020-09-24 22:33:17,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-09-24 22:33:17,404 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:33:17,405 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:33:17,405 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:33:17,405 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:33:17,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:33:17,406 INFO L82 PathProgramCache]: Analyzing trace with hash 2112691607, now seen corresponding path program 1 times [2020-09-24 22:33:17,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:33:17,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [517324091] [2020-09-24 22:33:17,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:33:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:17,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:17,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:17,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:18,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:22,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:22,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 363 [2020-09-24 22:33:22,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 22:33:22,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-24 22:33:22,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:22,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:33:22,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 301 [2020-09-24 22:33:22,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:33:22,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:22,814 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 22:33:22,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:33:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:22,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:22,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:22,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 22:33:22,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:22,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-24 22:33:22,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:22,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:22,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:22,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:22,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:22,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-24 22:33:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:22,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:22,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:22,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:33:22,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:22,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:33:22,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:22,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:22,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:22,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:22,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:23,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-24 22:33:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:23,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:23,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:23,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 22:33:23,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:23,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 22:33:23,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:23,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:23,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:23,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:33:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:23,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:23,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:23,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:33:23,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:23,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:33:23,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:23,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:23,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:23,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:23,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:23,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 22:33:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:23,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:23,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:23,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:33:23,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:23,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:33:23,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:23,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:23,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:23,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:23,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:23,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 22:33:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:23,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:23,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:23,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:33:23,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:23,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:33:23,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:23,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:23,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:23,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:23,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:23,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 22:33:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:23,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:23,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:23,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:33:23,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:23,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:33:23,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:23,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:23,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:23,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:23,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:23,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 22:33:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:23,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:23,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:23,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:33:23,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:23,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:33:23,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:23,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:23,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:23,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:23,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:23,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 22:33:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:23,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:23,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:23,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:33:23,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:23,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:33:23,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:23,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:23,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:23,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:23,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:23,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 22:33:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:23,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:23,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:23,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:33:23,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:23,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:33:23,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:23,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:23,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:23,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:23,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:23,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 22:33:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:23,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:23,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:23,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:33:23,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:23,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:33:23,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:23,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:23,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:23,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:23,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:23,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-09-24 22:33:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:23,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:23,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:23,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 22:33:23,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:23,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:33:23,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:23,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:23,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:23,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:23,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:23,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:33:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:23,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:23,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:23,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 22:33:23,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:23,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:33:23,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:23,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:23,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:23,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:33:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:23,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:23,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:23,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:33:23,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:23,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:33:23,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:23,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:23,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:23,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:23,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:23,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-24 22:33:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:23,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:23,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:23,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 22:33:23,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:23,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-24 22:33:23,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:23,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:33:23,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-24 22:33:23,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:33:23,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:33:23,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:33:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:23,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:23,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:23,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 22:33:23,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:23,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-24 22:33:23,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:23,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:33:23,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-24 22:33:23,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:33:23,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:23,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:33:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:23,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:23,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:23,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 22:33:23,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:23,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-24 22:33:23,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:23,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:33:23,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-24 22:33:23,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:33:23,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:23,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:33:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:23,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:23,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:23,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 22:33:23,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:23,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-24 22:33:23,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:23,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:33:23,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 22:33:23,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:33:23,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:23,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:33:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:23,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:23,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:23,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:33:23,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:23,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-24 22:33:23,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:23,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:33:23,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:23,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 22:33:23,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 22:33:23,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:33:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:23,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:23,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:23,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:33:23,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:23,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:33:23,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:23,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:23,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:23,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:23,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:33:23,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:33:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:23,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:23,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:23,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 22:33:23,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:23,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:33:23,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:23,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:23,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-24 22:33:23,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:23,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:33:23,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:33:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:23,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:23,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:23,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:33:23,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:23,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:33:23,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:23,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:23,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:33:23,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:23,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:23,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-09-24 22:33:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:23,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:23,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:23,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:33:23,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:23,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:33:23,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:23,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:23,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:33:23,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:23,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:23,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-09-24 22:33:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:23,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:23,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:33:23,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:33:23,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:33:23,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:33:23,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:33:23,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:33:23,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:33:23,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:33:23,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:33:23,870 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-09-24 22:33:23,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [517324091] [2020-09-24 22:33:23,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 22:33:23,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-24 22:33:23,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569489394] [2020-09-24 22:33:23,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 22:33:23,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:33:23,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 22:33:23,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-09-24 22:33:23,873 INFO L87 Difference]: Start difference. First operand 532 states and 629 transitions. Second operand 12 states. [2020-09-24 22:33:26,547 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 22:33:26,951 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 22:33:27,331 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-09-24 22:33:27,683 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 22:33:28,069 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-09-24 22:33:28,428 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 22:33:30,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:33:30,664 INFO L93 Difference]: Finished difference Result 1034 states and 1354 transitions. [2020-09-24 22:33:30,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 22:33:30,665 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 298 [2020-09-24 22:33:30,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:33:30,671 INFO L225 Difference]: With dead ends: 1034 [2020-09-24 22:33:30,671 INFO L226 Difference]: Without dead ends: 654 [2020-09-24 22:33:30,673 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2020-09-24 22:33:30,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2020-09-24 22:33:30,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 540. [2020-09-24 22:33:30,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2020-09-24 22:33:30,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 637 transitions. [2020-09-24 22:33:30,757 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 637 transitions. Word has length 298 [2020-09-24 22:33:30,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:33:30,758 INFO L479 AbstractCegarLoop]: Abstraction has 540 states and 637 transitions. [2020-09-24 22:33:30,758 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 22:33:30,758 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 637 transitions. [2020-09-24 22:33:30,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-09-24 22:33:30,763 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:33:30,763 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:33:30,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:33:30,764 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:33:30,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:33:30,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1674708988, now seen corresponding path program 1 times [2020-09-24 22:33:30,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:33:30,765 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [485239395] [2020-09-24 22:33:30,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:33:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:33:30,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:31,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:33:32,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking...