/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:07:46,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:07:46,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:07:46,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:07:46,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:07:46,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:07:46,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:07:46,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:07:46,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:07:46,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:07:46,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:07:46,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:07:46,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:07:46,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:07:46,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:07:46,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:07:46,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:07:46,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:07:46,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:07:46,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:07:46,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:07:46,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:07:46,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:07:46,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:07:46,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:07:46,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:07:46,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:07:46,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:07:46,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:07:46,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:07:46,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:07:46,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:07:46,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:07:46,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:07:46,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:07:46,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:07:46,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:07:46,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:07:46,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:07:46,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:07:46,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:07:46,135 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 [2020-09-25 13:07:46,161 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:07:46,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:07:46,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:07:46,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:07:46,163 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:07:46,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:07:46,163 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:07:46,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:07:46,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:07:46,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:07:46,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:07:46,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:07:46,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:07:46,165 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:07:46,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:07:46,165 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:07:46,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:07:46,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:07:46,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:07:46,166 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:07:46,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:07:46,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:07:46,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:07:46,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:07:46,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:07:46,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:07:46,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:07:46,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:07:46,168 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:07:46,168 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=SMALLESTAMONGWIDE;tolerance=0.4;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=SMALLESTAMONGWIDE;tolerance=0.4;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=SMALLESTAMONGWIDE;tolerance=0.4;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=SMALLESTAMONGWIDE;tolerance=0.4;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=SMALLESTAMONGWIDE;tolerance=0.4;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=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-09-25 13:07:46,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:07:46,703 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:07:46,710 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:07:46,712 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:07:46,713 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:07:46,715 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c [2020-09-25 13:07:46,804 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c673b780/9ab50a2c96514e57b800526e163f35a9/FLAG8f65ef44b [2020-09-25 13:07:47,437 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:07:47,438 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c [2020-09-25 13:07:47,468 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c673b780/9ab50a2c96514e57b800526e163f35a9/FLAG8f65ef44b [2020-09-25 13:07:47,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c673b780/9ab50a2c96514e57b800526e163f35a9 [2020-09-25 13:07:47,704 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:07:47,710 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:07:47,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:07:47,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:07:47,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:07:47,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:07:47" (1/1) ... [2020-09-25 13:07:47,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc9c326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:47, skipping insertion in model container [2020-09-25 13:07:47,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:07:47" (1/1) ... [2020-09-25 13:07:47,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:07:47,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:07:48,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:07:48,187 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:07:48,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:07:48,417 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:07:48,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:48 WrapperNode [2020-09-25 13:07:48,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:07:48,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:07:48,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:07:48,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:07:48,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:48" (1/1) ... [2020-09-25 13:07:48,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:48" (1/1) ... [2020-09-25 13:07:48,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:48" (1/1) ... [2020-09-25 13:07:48,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:48" (1/1) ... [2020-09-25 13:07:48,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:48" (1/1) ... [2020-09-25 13:07:48,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:48" (1/1) ... [2020-09-25 13:07:48,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:48" (1/1) ... [2020-09-25 13:07:48,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:07:48,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:07:48,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:07:48,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:07:48,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:48" (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 [2020-09-25 13:07:48,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:07:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:07:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:07:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:07:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:07:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:07:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:07:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:07:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:07:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:07:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:07:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:07:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:07:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:07:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:07:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:07:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:07:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:07:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:07:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:07:48,610 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:07:48,610 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:07:48,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:07:48,611 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:07:48,612 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:07:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:07:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 13:07:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:07:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 13:07:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:07:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:07:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:07:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:07:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:07:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 13:07:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 13:07:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:07:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 13:07:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 13:07:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:07:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:07:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:07:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:07:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:07:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:07:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:07:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:07:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:07:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:07:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:07:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:07:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:07:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:07:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:07:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:07:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:07:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:07:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:07:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:07:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:07:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:07:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:07:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:07:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:07:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:07:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:07:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:07:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:07:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:07:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:07:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:07:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:07:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:07:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:07:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:07:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 13:07:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:07:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:07:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:07:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:07:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:07:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:07:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 13:07:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 13:07:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 13:07:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:07:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 13:07:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:07:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 13:07:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:07:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:07:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:07:49,806 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:07:49,807 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:07:49,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:07:49 BoogieIcfgContainer [2020-09-25 13:07:49,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:07:49,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:07:49,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:07:49,824 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:07:49,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:07:47" (1/3) ... [2020-09-25 13:07:49,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a43bc97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:07:49, skipping insertion in model container [2020-09-25 13:07:49,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:48" (2/3) ... [2020-09-25 13:07:49,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a43bc97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:07:49, skipping insertion in model container [2020-09-25 13:07:49,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:07:49" (3/3) ... [2020-09-25 13:07:49,829 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2020-09-25 13:07:49,844 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:07:49,856 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:07:49,886 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:07:49,934 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:07:49,935 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:07:49,935 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:07:49,935 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:07:49,935 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:07:49,935 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:07:49,936 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:07:49,936 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:07:49,978 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2020-09-25 13:07:50,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 13:07:50,013 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:07:50,016 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:07:50,016 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:07:50,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:07:50,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1704191269, now seen corresponding path program 1 times [2020-09-25 13:07:50,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:07:50,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1510276493] [2020-09-25 13:07:50,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:07:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:50,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:50,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:52,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:53,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:54,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:55,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:55,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:55,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 13:07:55,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 13:07:55,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-09-25 13:07:55,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:55,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:55,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:07:55,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 13:07:55,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-25 13:07:55,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 13:07:55,950 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:07:55,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:07:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:56,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:56,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:56,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:07:56,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:56,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-09-25 13:07:56,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:56,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:56,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:56,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:56,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 13:07:56,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:56,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:07:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:56,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:56,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:56,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:56,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:56,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:07:56,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:56,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:56,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:56,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:56,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:56,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:56,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:07:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:56,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:56,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:56,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:56,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:56,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:07:56,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:56,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:56,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:56,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:56,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:56,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:56,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:07:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:56,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:56,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:56,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:56,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:56,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:07:56,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:56,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:56,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:56,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:56,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:07:56,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:56,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:07:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:56,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:56,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:56,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:56,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:56,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:07:56,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:56,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:56,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:56,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:56,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:56,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:56,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:07:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:56,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:56,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:56,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:07:56,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:56,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:07:56,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:56,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:56,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:56,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:56,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:07:56,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:56,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 13:07:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:56,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:56,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:56,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:56,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:56,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:56,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:56,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:07:56,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:56,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:56,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 13:07:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:56,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:56,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:56,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:56,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:56,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:56,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:56,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:56,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:56,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:07:56,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:56,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:56,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:07:56,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1510276493] [2020-09-25 13:07:56,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:07:56,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 13:07:56,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841839676] [2020-09-25 13:07:56,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 13:07:56,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:07:56,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 13:07:56,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:07:56,577 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 5 states. [2020-09-25 13:07:57,199 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:07:59,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:07:59,064 INFO L93 Difference]: Finished difference Result 567 states and 692 transitions. [2020-09-25 13:07:59,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 13:07:59,067 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 13:07:59,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:07:59,092 INFO L225 Difference]: With dead ends: 567 [2020-09-25 13:07:59,093 INFO L226 Difference]: Without dead ends: 408 [2020-09-25 13:07:59,102 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:07:59,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2020-09-25 13:07:59,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 339. [2020-09-25 13:07:59,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2020-09-25 13:07:59,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 380 transitions. [2020-09-25 13:07:59,320 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 380 transitions. Word has length 148 [2020-09-25 13:07:59,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:07:59,323 INFO L479 AbstractCegarLoop]: Abstraction has 339 states and 380 transitions. [2020-09-25 13:07:59,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 13:07:59,323 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 380 transitions. [2020-09-25 13:07:59,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-25 13:07:59,329 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:07:59,330 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:07:59,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:07:59,330 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:07:59,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:07:59,330 INFO L82 PathProgramCache]: Analyzing trace with hash -522991216, now seen corresponding path program 1 times [2020-09-25 13:07:59,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:07:59,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [633805247] [2020-09-25 13:07:59,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:07:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:59,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:59,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:00,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:00,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:01,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:04,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:04,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-25 13:08:04,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:08:04,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 13:08:04,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:04,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:04,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 13:08:04,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 13:08:04,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 13:08:04,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:04,780 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:08:04,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:08:04,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:04,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:04,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:04,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:08:04,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:04,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 13:08:04,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:04,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:04,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:04,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:04,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:04,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:04,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:08:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:04,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:04,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:04,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:04,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:04,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:04,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:04,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:04,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:04,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:04,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:04,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:04,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:08:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:04,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:04,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:04,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:04,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:04,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:04,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:04,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:04,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:04,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:04,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:04,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:04,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:08:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:04,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:04,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:04,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:04,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:04,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:08:04,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:04,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:04,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:04,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:04,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:04,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:04,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:08:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:04,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:04,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:04,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:04,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:04,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:04,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:04,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:04,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:04,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:04,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:04,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:04,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:08:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:04,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:04,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:04,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:08:04,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:04,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:08:04,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:04,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:04,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:04,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:04,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 13:08:04,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:04,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 13:08:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:05,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:05,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:05,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:08:05,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:05,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:08:05,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:05,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:05,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:05,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:05,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 13:08:05,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:05,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:08:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:05,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:05,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:05,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:05,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:05,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:05,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:05,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:05,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:05,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:05,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:05,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:05,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 13:08:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:05,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:05,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:05,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:05,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:05,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:08:05,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:05,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:05,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:05,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:05,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:08:05,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:05,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 13:08:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:05,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:05,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:05,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:05,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:05,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:08:05,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:05,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:05,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:05,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:05,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:08:05,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:05,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:08:05,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [633805247] [2020-09-25 13:08:05,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:08:05,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 13:08:05,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395816402] [2020-09-25 13:08:05,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 13:08:05,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:08:05,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 13:08:05,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 13:08:05,109 INFO L87 Difference]: Start difference. First operand 339 states and 380 transitions. Second operand 6 states. [2020-09-25 13:08:05,660 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:08:08,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:08:08,426 INFO L93 Difference]: Finished difference Result 903 states and 1233 transitions. [2020-09-25 13:08:08,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 13:08:08,427 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2020-09-25 13:08:08,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:08:08,441 INFO L225 Difference]: With dead ends: 903 [2020-09-25 13:08:08,441 INFO L226 Difference]: Without dead ends: 900 [2020-09-25 13:08:08,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 13:08:08,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2020-09-25 13:08:08,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 566. [2020-09-25 13:08:08,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2020-09-25 13:08:08,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 659 transitions. [2020-09-25 13:08:08,652 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 659 transitions. Word has length 157 [2020-09-25 13:08:08,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:08:08,653 INFO L479 AbstractCegarLoop]: Abstraction has 566 states and 659 transitions. [2020-09-25 13:08:08,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 13:08:08,653 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 659 transitions. [2020-09-25 13:08:08,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-25 13:08:08,663 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:08:08,663 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:08:08,663 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:08:08,664 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:08:08,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:08:08,664 INFO L82 PathProgramCache]: Analyzing trace with hash -167863077, now seen corresponding path program 1 times [2020-09-25 13:08:08,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:08:08,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1356502900] [2020-09-25 13:08:08,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:08:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:08,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:08,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:09,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:09,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:09,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:10,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:11,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:13,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:13,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 293 [2020-09-25 13:08:13,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 13:08:13,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 13:08:13,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:13,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:13,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 13:08:13,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 13:08:13,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-25 13:08:13,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:14,083 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:08:14,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:08:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:14,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:14,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:14,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:08:14,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:14,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-09-25 13:08:14,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:14,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:14,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:14,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:14,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 13:08:14,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:14,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:08:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:14,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:14,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:14,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:14,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:14,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:14,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:14,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:14,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:14,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:14,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:08:14,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:14,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:08:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:14,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:14,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:14,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:14,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:14,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:14,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:14,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:14,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:14,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:14,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:08:14,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:14,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:08:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:14,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:14,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:14,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:14,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:14,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 13:08:14,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:14,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:14,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:14,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:14,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:08:14,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:08:14,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:08:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:14,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:14,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:14,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:14,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:14,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:08:14,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:14,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:14,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:14,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:14,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:08:14,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:14,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:08:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:14,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:14,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:14,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:08:14,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:14,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:08:14,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:14,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:14,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:14,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:14,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:08:14,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:08:14,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 13:08:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:14,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:14,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:14,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:14,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 13:08:14,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:08:14,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 13:08:14,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:14,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:14,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:14,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:14,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 13:08:14,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:14,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:08:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:14,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:14,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:14,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:08:14,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:14,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:14,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:14,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:14,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:14,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:14,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:14,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:14,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:08:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:14,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:14,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:14,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:14,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:14,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:14,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:14,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:14,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:14,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:14,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:14,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:14,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 13:08:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:14,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:14,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:14,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 13:08:14,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:14,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:08:14,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:14,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:14,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:14,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:14,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:14,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:14,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:08:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:14,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:14,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:14,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:14,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:14,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:14,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:14,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:14,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:14,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:14,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:14,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:14,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 13:08:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:14,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:14,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:14,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:15,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:15,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 13:08:15,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:08:15,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 520 [2020-09-25 13:08:15,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:15,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:15,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:08:15,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 13:08:15,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-25 13:08:15,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:15,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:08:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:15,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:15,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:15,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:08:15,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:15,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:08:15,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:15,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:15,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:15,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:15,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 13:08:15,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:15,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:08:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:15,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:15,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:15,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:15,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:15,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:08:15,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:15,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:15,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:08:15,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:15,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:08:15,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:15,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 13:08:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:15,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:15,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:15,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 13:08:15,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:15,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 13:08:15,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:15,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:15,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:08:15,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 13:08:15,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 13:08:15,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:15,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:08:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:15,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:15,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:15,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:15,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:15,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:08:15,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:15,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:15,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:15,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:15,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:15,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:08:15,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 13:08:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:15,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:15,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:15,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:15,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:15,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:08:15,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:15,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:15,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:08:15,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:15,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:08:15,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:15,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-25 13:08:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:15,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:15,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:15,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:08:15,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:15,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:08:15,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:15,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:15,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:15,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 13:08:15,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:15,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:15,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:08:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:15,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:15,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:15,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:08:15,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:15,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:08:15,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:15,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:15,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:15,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:08:15,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:15,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:15,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-25 13:08:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:15,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:15,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:15,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:15,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:15,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:08:15,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:15,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:15,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:08:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:15,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:15,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-25 13:08:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:08:15,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:08:15,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:08:15,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:08:15,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:08:15,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:08:15,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:08:15,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:08:15,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:08:15,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:08:15,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:08:15,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:08:15,587 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 40 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-09-25 13:08:15,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1356502900] [2020-09-25 13:08:15,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 13:08:15,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-25 13:08:15,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333820815] [2020-09-25 13:08:15,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 13:08:15,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:08:15,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 13:08:15,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-09-25 13:08:15,594 INFO L87 Difference]: Start difference. First operand 566 states and 659 transitions. Second operand 13 states. [2020-09-25 13:08:16,162 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:08:17,474 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:08:18,208 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:08:18,531 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 13:08:19,267 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 13:08:19,926 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-25 13:08:20,562 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 13:08:21,070 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:08:21,402 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:08:22,049 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-25 13:08:22,724 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-25 13:08:23,339 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-25 13:08:23,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:08:23,963 INFO L93 Difference]: Finished difference Result 983 states and 1233 transitions. [2020-09-25 13:08:23,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-25 13:08:23,966 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 234 [2020-09-25 13:08:23,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:08:23,968 INFO L225 Difference]: With dead ends: 983 [2020-09-25 13:08:23,968 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 13:08:23,980 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=348, Invalid=984, Unknown=0, NotChecked=0, Total=1332 [2020-09-25 13:08:23,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 13:08:23,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 13:08:23,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 13:08:23,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 13:08:23,982 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 234 [2020-09-25 13:08:23,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:08:23,982 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 13:08:23,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 13:08:23,982 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 13:08:23,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 13:08:23,983 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:08:23,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 13:08:24,221 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:08:24,403 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:08:24,571 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:08:24,748 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:08:24,938 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:08:25,115 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:08:25,298 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:08:25,434 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 9 [2020-09-25 13:08:25,609 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:08:25,902 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-25 13:08:26,184 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-25 13:08:26,552 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-25 13:08:26,914 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-25 13:08:27,269 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 13:08:27,538 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-25 13:08:27,903 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-25 13:08:28,170 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-25 13:08:28,526 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 13:08:28,808 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-25 13:08:29,081 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-25 13:08:29,456 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-25 13:08:29,723 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-25 13:08:30,080 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 13:08:30,437 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 13:08:30,710 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-25 13:08:31,068 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 13:08:31,437 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-25 13:08:31,710 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-25 13:08:31,981 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-25 13:08:32,347 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-25 13:08:32,519 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:08:32,696 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:08:32,864 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:08:33,021 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:08:33,352 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-25 13:08:33,678 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 13:08:34,004 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 13:08:34,345 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-25 13:08:34,683 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 13:08:35,014 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-25 13:08:35,157 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:08:35,319 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:08:35,482 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:08:35,649 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:08:35,806 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:08:35,968 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:08:36,129 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:08:36,297 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:08:36,463 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:08:36,626 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:08:36,783 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:08:36,949 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:08:37,107 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:08:37,270 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:08:37,432 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:08:37,594 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:08:37,762 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:08:37,919 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:08:38,082 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:08:38,245 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:08:38,407 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:08:38,575 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:08:38,742 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:08:38,899 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:08:39,057 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:08:39,224 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:08:39,392 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:08:39,554 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:08:39,716 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:08:39,883 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:08:40,040 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:08:40,199 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:08:40,365 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:08:40,528 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:08:40,694 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 194