/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 SequenceOfStatements --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=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:32:18,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:32:18,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:32:18,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:32:18,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:32:18,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:32:18,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:32:18,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:32:18,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:32:18,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:32:18,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:32:18,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:32:18,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:32:18,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:32:18,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:32:18,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:32:18,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:32:18,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:32:18,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:32:18,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:32:18,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:32:18,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:32:18,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:32:18,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:32:18,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:32:18,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:32:18,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:32:18,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:32:18,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:32:18,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:32:18,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:32:18,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:32:18,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:32:18,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:32:18,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:32:18,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:32:18,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:32:18,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:32:18,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:32:18,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:32:18,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:32:18,908 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 [2020-10-13 12:32:18,947 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:32:18,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:32:18,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:32:18,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:32:18,950 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:32:18,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:32:18,950 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:32:18,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:32:18,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:32:18,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:32:18,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:32:18,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:32:18,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:32:18,953 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:32:18,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:32:18,953 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:32:18,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:32:18,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:32:18,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:32:18,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:32:18,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:32:18,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:32:18,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:32:18,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:32:18,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:32:18,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:32:18,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:32:18,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:32:18,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:32:18,956 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 -> SequenceOfStatements 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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:32:19,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:32:19,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:32:19,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:32:19,289 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:32:19,289 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:32:19,290 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product36.cil.c [2020-10-13 12:32:19,347 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef3dbbc10/3dcf2acb225f420aaa88f27467d01c6b/FLAGead59614c [2020-10-13 12:32:19,869 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:32:19,870 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product36.cil.c [2020-10-13 12:32:19,885 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef3dbbc10/3dcf2acb225f420aaa88f27467d01c6b/FLAGead59614c [2020-10-13 12:32:20,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef3dbbc10/3dcf2acb225f420aaa88f27467d01c6b [2020-10-13 12:32:20,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:32:20,260 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:32:20,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:32:20,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:32:20,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:32:20,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:32:20" (1/1) ... [2020-10-13 12:32:20,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a6f08d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:20, skipping insertion in model container [2020-10-13 12:32:20,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:32:20" (1/1) ... [2020-10-13 12:32:20,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:32:20,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:32:20,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:32:20,763 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:32:20,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:32:20,891 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:32:20,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:20 WrapperNode [2020-10-13 12:32:20,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:32:20,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:32:20,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:32:20,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:32:20,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:20" (1/1) ... [2020-10-13 12:32:20,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:20" (1/1) ... [2020-10-13 12:32:20,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:20" (1/1) ... [2020-10-13 12:32:20,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:20" (1/1) ... [2020-10-13 12:32:20,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:20" (1/1) ... [2020-10-13 12:32:20,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:20" (1/1) ... [2020-10-13 12:32:21,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:20" (1/1) ... [2020-10-13 12:32:21,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:32:21,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:32:21,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:32:21,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:32:21,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:20" (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 [2020-10-13 12:32:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:32:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:32:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:32:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:32:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:32:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:32:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:32:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:32:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:32:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:32:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:32:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:32:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-13 12:32:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-13 12:32:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-13 12:32:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:32:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:32:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:32:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:32:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:32:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:32:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-13 12:32:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:32:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:32:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:32:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:32:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:32:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:32:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:32:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:32:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:32:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:32:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:32:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-13 12:32:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:32:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:32:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:32:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:32:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:32:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:32:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:32:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:32:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:32:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:32:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:32:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:32:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-13 12:32:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:32:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:32:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:32:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:32:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:32:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-13 12:32:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-13 12:32:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-13 12:32:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:32:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:32:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-13 12:32:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:32:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:32:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:32:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:32:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:32:21,110 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:32:21,110 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:32:21,110 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:32:21,110 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:32:21,110 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:32:21,110 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:32:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:32:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:32:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:32:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:32:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:32:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:32:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:32:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:32:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:32:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:32:21,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:32:21,115 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:32:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:32:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:32:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:32:21,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:32:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:32:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:32:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:32:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:32:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:32:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:32:21,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:32:24,171 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:32:24,171 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:32:24,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:32:24 BoogieIcfgContainer [2020-10-13 12:32:24,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:32:24,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:32:24,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:32:24,181 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:32:24,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:32:20" (1/3) ... [2020-10-13 12:32:24,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@559db717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:32:24, skipping insertion in model container [2020-10-13 12:32:24,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:32:20" (2/3) ... [2020-10-13 12:32:24,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@559db717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:32:24, skipping insertion in model container [2020-10-13 12:32:24,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:32:24" (3/3) ... [2020-10-13 12:32:24,185 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product36.cil.c [2020-10-13 12:32:24,195 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:32:24,203 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:32:24,215 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:32:24,241 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:32:24,241 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:32:24,241 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:32:24,241 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:32:24,242 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:32:24,242 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:32:24,242 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:32:24,242 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:32:24,265 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2020-10-13 12:32:24,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-13 12:32:24,275 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:32:24,276 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] [2020-10-13 12:32:24,277 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:32:24,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:32:24,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1779053206, now seen corresponding path program 1 times [2020-10-13 12:32:24,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:32:24,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1070747971] [2020-10-13 12:32:24,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:32:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:24,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:24,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:25,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:25,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:26,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:29,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:29,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 12:32:29,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:32:29,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 12:32:29,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:29,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:29,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 12:32:29,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:29,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 12:32:29,903 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:32:29,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:32:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:29,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:29,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:29,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:29,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:29,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 12:32:29,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:29,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:29,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:32:30,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:32:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:30,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:30,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:30,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:30,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:30,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:32:30,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:30,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:30,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:30,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:30,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:32:30,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:32:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:30,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:30,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:30,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:30,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:30,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:32:30,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:30,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:32:30,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:32:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:30,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:30,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:30,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:30,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:30,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:32:30,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:30,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:30,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:30,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:30,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:32:30,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:32:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:30,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:30,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:30,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:30,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:30,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:32:30,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:30,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:30,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:30,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:30,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:30,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:32:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:30,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:30,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:30,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:30,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:30,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:32:30,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:30,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:30,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:32:30,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:30,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:32:30,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:32:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:30,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:30,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:30,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:30,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:30,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:32:30,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:30,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:30,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:32:30,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:30,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:32:30,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:32:30,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1070747971] [2020-10-13 12:32:30,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:32:30,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 12:32:30,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855231751] [2020-10-13 12:32:30,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 12:32:30,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:32:30,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 12:32:30,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:32:30,117 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 3 states. [2020-10-13 12:32:31,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:32:31,585 INFO L93 Difference]: Finished difference Result 278 states and 364 transitions. [2020-10-13 12:32:31,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 12:32:31,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-13 12:32:31,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:32:31,614 INFO L225 Difference]: With dead ends: 278 [2020-10-13 12:32:31,615 INFO L226 Difference]: Without dead ends: 151 [2020-10-13 12:32:31,621 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:32:31,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-10-13 12:32:31,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 118. [2020-10-13 12:32:31,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-10-13 12:32:31,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 137 transitions. [2020-10-13 12:32:31,738 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 137 transitions. Word has length 46 [2020-10-13 12:32:31,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:32:31,742 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 137 transitions. [2020-10-13 12:32:31,742 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 12:32:31,742 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 137 transitions. [2020-10-13 12:32:31,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-13 12:32:31,748 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:32:31,751 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] [2020-10-13 12:32:31,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:32:31,756 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:32:31,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:32:31,756 INFO L82 PathProgramCache]: Analyzing trace with hash 83171531, now seen corresponding path program 1 times [2020-10-13 12:32:31,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:32:31,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1173905184] [2020-10-13 12:32:31,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:32:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:31,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:31,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:32,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:33,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:34,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:36,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:36,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 12:32:36,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:32:36,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 12:32:36,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:36,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:32:36,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 12:32:36,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:32:36,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:37,119 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:32:37,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:32:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:37,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:37,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:37,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:37,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:37,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-13 12:32:37,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:37,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:37,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:37,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:37,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:32:37,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:32:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:37,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:37,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:37,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:37,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:37,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:37,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:37,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:37,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:37,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:37,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:32:37,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:32:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:37,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:37,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:37,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:37,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:37,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:32:37,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:37,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:37,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:37,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:37,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:37,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:32:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:37,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:37,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:37,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:37,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:37,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:37,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:37,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:37,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:37,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:37,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:37,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:32:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:37,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:37,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:37,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:37,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:37,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:37,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:37,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:37,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:37,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:37,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:37,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:32:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:37,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:37,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:37,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:37,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:37,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:37,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:37,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:37,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:32:37,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:37,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:37,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:32:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:37,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:37,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:37,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:37,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:37,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:32:37,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:37,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:37,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:32:37,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:37,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:37,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:32:37,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1173905184] [2020-10-13 12:32:37,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:32:37,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:32:37,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069048932] [2020-10-13 12:32:37,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:32:37,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:32:37,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:32:37,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:32:37,277 INFO L87 Difference]: Start difference. First operand 118 states and 137 transitions. Second operand 4 states. [2020-10-13 12:32:37,800 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:32:38,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:32:38,548 INFO L93 Difference]: Finished difference Result 198 states and 241 transitions. [2020-10-13 12:32:38,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:32:38,549 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-13 12:32:38,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:32:38,553 INFO L225 Difference]: With dead ends: 198 [2020-10-13 12:32:38,553 INFO L226 Difference]: Without dead ends: 135 [2020-10-13 12:32:38,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:32:38,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-10-13 12:32:38,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 109. [2020-10-13 12:32:38,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-13 12:32:38,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 125 transitions. [2020-10-13 12:32:38,603 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 125 transitions. Word has length 47 [2020-10-13 12:32:38,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:32:38,604 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 125 transitions. [2020-10-13 12:32:38,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:32:38,604 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2020-10-13 12:32:38,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-13 12:32:38,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:32:38,606 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:32:38,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:32:38,607 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:32:38,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:32:38,607 INFO L82 PathProgramCache]: Analyzing trace with hash -532729622, now seen corresponding path program 1 times [2020-10-13 12:32:38,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:32:38,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1159273209] [2020-10-13 12:32:38,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:32:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:38,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:38,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:39,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:39,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:43,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:43,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 12:32:43,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:32:43,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4390 [2020-10-13 12:32:43,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:43,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:32:43,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 12:32:43,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:32:43,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:32:43,292 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:32:43,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:32:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:43,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:43,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:43,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:43,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:43,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 12:32:43,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:43,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:43,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:43,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:43,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:43,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:32:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:43,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:43,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:43,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:43,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:43,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:32:43,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:43,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:43,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:43,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:43,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:43,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:32:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:43,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:43,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:43,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:43,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:43,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:32:43,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:43,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:43,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:43,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:43,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:43,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:32:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:43,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:43,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:43,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:43,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:43,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:43,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:43,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:43,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:43,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:43,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:32:43,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:32:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:43,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:43,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:43,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:43,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:43,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:32:43,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:43,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:43,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:43,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:43,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:43,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:32:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:43,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:43,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:43,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:43,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:43,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:32:43,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:43,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:32:43,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:43,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:32:43,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:43,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:32:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:43,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:43,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:43,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:43,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:43,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 12:32:43,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:43,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:32:43,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:43,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:32:43,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-13 12:32:43,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:32:43,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1159273209] [2020-10-13 12:32:43,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:32:43,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:32:43,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87565034] [2020-10-13 12:32:43,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:32:43,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:32:43,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:32:43,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:32:43,451 INFO L87 Difference]: Start difference. First operand 109 states and 125 transitions. Second operand 7 states. [2020-10-13 12:32:44,009 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:32:45,056 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-10-13 12:32:45,358 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:32:45,604 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:32:46,075 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:32:46,369 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:32:46,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:32:46,903 INFO L93 Difference]: Finished difference Result 280 states and 353 transitions. [2020-10-13 12:32:46,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 12:32:46,904 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-10-13 12:32:46,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:32:46,907 INFO L225 Difference]: With dead ends: 280 [2020-10-13 12:32:46,907 INFO L226 Difference]: Without dead ends: 195 [2020-10-13 12:32:46,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-13 12:32:46,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-10-13 12:32:46,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 172. [2020-10-13 12:32:46,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-10-13 12:32:46,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 206 transitions. [2020-10-13 12:32:46,957 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 206 transitions. Word has length 52 [2020-10-13 12:32:46,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:32:46,957 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 206 transitions. [2020-10-13 12:32:46,958 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:32:46,958 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 206 transitions. [2020-10-13 12:32:46,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-13 12:32:46,959 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:32:46,959 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] [2020-10-13 12:32:46,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:32:46,960 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:32:46,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:32:46,960 INFO L82 PathProgramCache]: Analyzing trace with hash 954578145, now seen corresponding path program 1 times [2020-10-13 12:32:46,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:32:46,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [332356785] [2020-10-13 12:32:46,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:32:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:47,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:47,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:47,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:47,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:52,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:52,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 12:32:52,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:32:52,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 12:32:52,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:52,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:32:52,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-13 12:32:52,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:32:52,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:52,269 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:32:52,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:32:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:52,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:52,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:52,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:52,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:52,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 12:32:52,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:52,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:52,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:52,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:52,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:52,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:32:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:52,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:52,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:52,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:52,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:52,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:52,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:52,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:52,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:52,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:52,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:52,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:32:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:52,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:52,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:52,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:52,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:52,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:52,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:52,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:52,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:52,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:52,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:52,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:32:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:52,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:52,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:52,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:52,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:52,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:32:52,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:52,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:52,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:52,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:52,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:52,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:32:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:52,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:52,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:52,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:52,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:52,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:32:52,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:52,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:52,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:52,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:52,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:52,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:32:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:52,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:52,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:52,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:52,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:32:52,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:32:52,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-13 12:32:52,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:52,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:32:52,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 12:32:52,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:32:52,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:52,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:32:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:52,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:52,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:52,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:32:52,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:52,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:32:52,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:52,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:32:52,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 12:32:52,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:32:52,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:52,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:32:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:52,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:52,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:52,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:32:52,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:52,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:32:52,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:52,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:32:52,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:52,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:32:52,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:52,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:32:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:52,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:52,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:52,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:52,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:52,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:52,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:52,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:52,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:32:52,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:52,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:52,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 12:32:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:52,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:52,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:52,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:52,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:52,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:52,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:52,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:52,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:32:52,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:52,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:52,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-13 12:32:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:52,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:52,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:52,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:52,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:52,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:52,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:52,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:52,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:32:52,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:52,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:52,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:32:52,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [332356785] [2020-10-13 12:32:52,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:32:52,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:32:52,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466244225] [2020-10-13 12:32:52,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:32:52,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:32:52,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:32:52,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:32:52,522 INFO L87 Difference]: Start difference. First operand 172 states and 206 transitions. Second operand 7 states. [2020-10-13 12:32:53,493 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:32:53,768 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:32:54,026 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:32:54,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:32:54,616 INFO L93 Difference]: Finished difference Result 365 states and 473 transitions. [2020-10-13 12:32:54,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 12:32:54,620 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2020-10-13 12:32:54,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:32:54,623 INFO L225 Difference]: With dead ends: 365 [2020-10-13 12:32:54,623 INFO L226 Difference]: Without dead ends: 217 [2020-10-13 12:32:54,630 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 12:32:54,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-10-13 12:32:54,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 179. [2020-10-13 12:32:54,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-10-13 12:32:54,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 213 transitions. [2020-10-13 12:32:54,682 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 213 transitions. Word has length 75 [2020-10-13 12:32:54,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:32:54,683 INFO L479 AbstractCegarLoop]: Abstraction has 179 states and 213 transitions. [2020-10-13 12:32:54,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:32:54,683 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 213 transitions. [2020-10-13 12:32:54,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-13 12:32:54,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:32:54,685 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] [2020-10-13 12:32:54,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 12:32:54,685 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:32:54,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:32:54,686 INFO L82 PathProgramCache]: Analyzing trace with hash 445105055, now seen corresponding path program 1 times [2020-10-13 12:32:54,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:32:54,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1929457609] [2020-10-13 12:32:54,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:32:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:54,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:54,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:56,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:56,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 12:32:56,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:32:56,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1594 [2020-10-13 12:32:56,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:56,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:32:56,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:32:56,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-13 12:32:56,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:56,524 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:32:56,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:32:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:56,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:56,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:56,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:56,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:56,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-13 12:32:56,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:56,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:32:56,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:56,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:32:56,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:56,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:32:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:56,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:56,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:56,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:56,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:56,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:56,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:56,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:32:56,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:56,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:32:56,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:56,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:32:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:56,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:56,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:56,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:56,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:56,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:56,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:56,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:32:56,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:56,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:32:56,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:56,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:32:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:56,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:56,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:56,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:56,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:56,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:32:56,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:56,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:32:56,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:56,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:32:56,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:56,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:32:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:56,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:56,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:56,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:56,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:56,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:56,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:56,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:32:56,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:56,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:32:56,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:56,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:32:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:56,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:56,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:56,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:32:56,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:56,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:32:56,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:56,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:32:56,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 12:32:56,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 12:32:56,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:56,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:32:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:56,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:56,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:56,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:32:56,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:56,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:32:56,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:32:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:32:56,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:56,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:32:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:56,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:56,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:56,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:32:56,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:56,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:56,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:32:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:32:56,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:56,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:32:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:56,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:56,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:56,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:56,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:56,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:32:56,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:56,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:32:56,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:56,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:32:56,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:56,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 12:32:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:56,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:56,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:56,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:56,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:56,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:56,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:56,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:56,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:32:56,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:56,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:56,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-13 12:32:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:56,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:56,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:56,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:56,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:56,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:56,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:56,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:56,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:32:56,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:56,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:56,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:32:56,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1929457609] [2020-10-13 12:32:56,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:32:56,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 12:32:56,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442132668] [2020-10-13 12:32:56,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 12:32:56,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:32:56,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 12:32:56,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-13 12:32:56,718 INFO L87 Difference]: Start difference. First operand 179 states and 213 transitions. Second operand 6 states. [2020-10-13 12:32:57,089 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:32:57,611 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:32:59,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:32:59,512 INFO L93 Difference]: Finished difference Result 638 states and 843 transitions. [2020-10-13 12:32:59,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 12:32:59,513 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 75 [2020-10-13 12:32:59,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:32:59,518 INFO L225 Difference]: With dead ends: 638 [2020-10-13 12:32:59,519 INFO L226 Difference]: Without dead ends: 483 [2020-10-13 12:32:59,520 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-13 12:32:59,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-10-13 12:32:59,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 433. [2020-10-13 12:32:59,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2020-10-13 12:32:59,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 534 transitions. [2020-10-13 12:32:59,612 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 534 transitions. Word has length 75 [2020-10-13 12:32:59,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:32:59,612 INFO L479 AbstractCegarLoop]: Abstraction has 433 states and 534 transitions. [2020-10-13 12:32:59,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 12:32:59,613 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 534 transitions. [2020-10-13 12:32:59,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-13 12:32:59,614 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:32:59,614 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] [2020-10-13 12:32:59,614 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 12:32:59,614 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:32:59,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:32:59,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1330285310, now seen corresponding path program 1 times [2020-10-13 12:32:59,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:32:59,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1794713616] [2020-10-13 12:32:59,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:32:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:59,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:59,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:01,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:01,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 12:33:01,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:33:01,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2178 [2020-10-13 12:33:01,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:01,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:33:01,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-13 12:33:01,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:33:01,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:02,051 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:33:02,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:33:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:02,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:02,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:02,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:02,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:02,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 12:33:02,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:02,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:02,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:02,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:02,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:02,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:33:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:02,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:02,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:02,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:02,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:02,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:02,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:02,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:02,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:02,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:02,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:02,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:33:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:02,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:02,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:02,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:02,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:02,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:02,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:02,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:02,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:02,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:02,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:02,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:33:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:02,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:02,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:02,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:02,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:02,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:02,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:02,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:02,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:02,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:02,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:02,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:33:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:02,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:02,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:02,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:02,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:02,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:02,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:02,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:02,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:02,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:02,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:02,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:33:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:02,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:02,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:02,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:33:02,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:02,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:33:02,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:02,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:33:02,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 12:33:02,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:33:02,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:02,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:33:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:02,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:02,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:02,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:33:02,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:02,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:33:02,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:02,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:33:02,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:02,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 12:33:02,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:02,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:02,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:02,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:02,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:33:02,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:02,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:02,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:02,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:02,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:02,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:02,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:02,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:33:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:02,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:02,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:02,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:02,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:02,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:02,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:02,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:02,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:02,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:02,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:02,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 12:33:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:02,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:02,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:02,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:02,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:02,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:02,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:02,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:02,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:02,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:02,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:02,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-13 12:33:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:02,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:02,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:02,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:02,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:02,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:02,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:02,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:02,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:02,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:02,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:02,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:33:02,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1794713616] [2020-10-13 12:33:02,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:33:02,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:33:02,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500974087] [2020-10-13 12:33:02,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:33:02,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:33:02,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:33:02,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:33:02,232 INFO L87 Difference]: Start difference. First operand 433 states and 534 transitions. Second operand 8 states. [2020-10-13 12:33:03,388 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:33:03,648 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:33:03,912 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:33:04,173 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:33:04,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:33:04,711 INFO L93 Difference]: Finished difference Result 894 states and 1140 transitions. [2020-10-13 12:33:04,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 12:33:04,712 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 75 [2020-10-13 12:33:04,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:33:04,716 INFO L225 Difference]: With dead ends: 894 [2020-10-13 12:33:04,717 INFO L226 Difference]: Without dead ends: 485 [2020-10-13 12:33:04,718 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:33:04,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2020-10-13 12:33:04,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 443. [2020-10-13 12:33:04,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-10-13 12:33:04,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 544 transitions. [2020-10-13 12:33:04,803 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 544 transitions. Word has length 75 [2020-10-13 12:33:04,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:33:04,804 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 544 transitions. [2020-10-13 12:33:04,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:33:04,804 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 544 transitions. [2020-10-13 12:33:04,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-13 12:33:04,805 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:33:04,806 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] [2020-10-13 12:33:04,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 12:33:04,806 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:33:04,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:33:04,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1839758400, now seen corresponding path program 1 times [2020-10-13 12:33:04,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:33:04,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [50503635] [2020-10-13 12:33:04,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:33:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:04,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:04,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:06,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:06,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 12:33:06,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:33:06,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1340 [2020-10-13 12:33:06,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:06,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:33:06,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-13 12:33:06,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:33:06,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:06,447 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:33:06,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:33:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:06,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:06,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:06,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:06,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:06,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-13 12:33:06,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:06,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:06,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:06,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:06,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:06,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:33:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:06,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:06,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:06,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:06,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:06,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:06,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:06,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:06,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:06,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:06,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:06,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:33:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:06,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:06,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:06,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:06,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:06,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:33:06,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:06,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:06,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:06,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:06,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:06,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:33:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:06,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:06,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:06,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:06,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:06,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:33:06,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:06,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:06,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:06,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:06,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:06,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:33:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:06,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:06,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:06,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:06,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:06,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:33:06,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:06,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:06,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:06,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:06,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:06,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:33:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:06,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:06,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:06,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:33:06,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:06,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 12:33:06,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:06,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:33:06,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 12:33:06,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:33:06,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:06,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:33:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:06,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:06,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:06,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:33:06,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:06,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 12:33:06,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:06,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:33:06,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 12:33:06,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:33:06,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:06,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:06,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:06,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:06,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:33:06,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:06,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:33:06,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:06,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:33:06,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:06,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:33:06,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:06,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:33:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:06,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:06,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:06,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:06,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:06,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:06,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:06,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:06,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:06,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:06,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:06,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 12:33:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:06,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:06,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:06,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:06,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:06,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:06,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:06,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:06,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:06,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:06,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:06,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-13 12:33:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:06,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:06,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:06,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:06,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:06,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:06,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:06,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:06,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:06,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:06,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:33:06,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:33:06,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [50503635] [2020-10-13 12:33:06,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:33:06,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:33:06,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720067801] [2020-10-13 12:33:06,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:33:06,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:33:06,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:33:06,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:33:06,716 INFO L87 Difference]: Start difference. First operand 443 states and 544 transitions. Second operand 7 states. [2020-10-13 12:33:07,785 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:33:08,028 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:33:08,264 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:33:08,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:33:08,833 INFO L93 Difference]: Finished difference Result 815 states and 1033 transitions. [2020-10-13 12:33:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 12:33:08,834 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2020-10-13 12:33:08,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:33:08,839 INFO L225 Difference]: With dead ends: 815 [2020-10-13 12:33:08,839 INFO L226 Difference]: Without dead ends: 396 [2020-10-13 12:33:08,841 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 12:33:08,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2020-10-13 12:33:08,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 368. [2020-10-13 12:33:08,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2020-10-13 12:33:08,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 443 transitions. [2020-10-13 12:33:08,944 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 443 transitions. Word has length 75 [2020-10-13 12:33:08,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:33:08,945 INFO L479 AbstractCegarLoop]: Abstraction has 368 states and 443 transitions. [2020-10-13 12:33:08,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:33:08,945 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 443 transitions. [2020-10-13 12:33:08,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-13 12:33:08,952 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:33:08,952 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:33:08,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 12:33:08,952 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:33:08,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:33:08,953 INFO L82 PathProgramCache]: Analyzing trace with hash 2133130565, now seen corresponding path program 1 times [2020-10-13 12:33:08,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:33:08,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1699961055] [2020-10-13 12:33:08,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:33:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:08,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:09,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:09,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-13 12:33:09,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:09,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 437 [2020-10-13 12:33:09,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:09,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 12:33:09,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:09,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-13 12:33:09,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:09,732 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:33:09,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:33:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:09,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:09,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:09,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:09,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:09,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-13 12:33:09,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:09,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:09,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:09,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:33:09,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:09,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:33:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:09,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:09,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:09,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:09,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:09,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:09,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:09,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:09,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:09,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:33:09,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:09,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:33:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:09,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:09,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:09,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:09,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:09,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:09,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:09,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:09,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:09,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:33:09,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:09,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:33:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:09,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:09,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:09,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:09,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:09,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:09,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:09,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:09,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:09,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:33:09,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:09,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:33:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:09,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:09,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:09,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:33:09,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:09,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:09,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:09,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:09,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:09,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:33:09,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:09,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:33:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:09,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:09,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:09,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:09,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:09,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:09,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:09,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:09,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:09,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:33:09,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:09,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 12:33:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:09,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:09,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:09,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:33:09,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:09,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:33:09,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:09,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:33:09,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:09,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 12:33:09,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:09,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:33:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:09,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:09,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:09,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:33:09,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:09,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:09,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:09,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:09,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:09,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:09,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:09,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:33:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:09,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:09,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:09,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:33:09,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:09,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:09,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:09,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:09,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:09,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:09,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:09,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:33:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:09,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:09,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:09,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:09,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:09,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:09,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:09,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:09,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:09,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:09,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:09,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 12:33:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:09,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:09,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:09,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:09,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:09,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:33:09,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:09,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:33:09,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:33:09,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:33:09,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:09,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 12:33:09,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:33:09,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:33:09,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:33:09,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:33:09,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:33:09,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:33:09,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:33:09,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:33:09,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:33:09,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:33:09,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:33:09,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:33:09,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1699961055] [2020-10-13 12:33:09,887 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:33:09,887 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 12:33:09,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911122699] [2020-10-13 12:33:09,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 12:33:09,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:33:09,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 12:33:09,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 12:33:09,888 INFO L87 Difference]: Start difference. First operand 368 states and 443 transitions. Second operand 9 states. [2020-10-13 12:33:10,325 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:33:11,093 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:33:11,404 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:33:11,671 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:33:11,913 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:33:12,258 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:33:13,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:33:13,629 INFO L93 Difference]: Finished difference Result 1081 states and 1385 transitions. [2020-10-13 12:33:13,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 12:33:13,629 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2020-10-13 12:33:13,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:33:13,636 INFO L225 Difference]: With dead ends: 1081 [2020-10-13 12:33:13,636 INFO L226 Difference]: Without dead ends: 737 [2020-10-13 12:33:13,639 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-10-13 12:33:13,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2020-10-13 12:33:13,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 685. [2020-10-13 12:33:13,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2020-10-13 12:33:13,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 833 transitions. [2020-10-13 12:33:13,854 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 833 transitions. Word has length 79 [2020-10-13 12:33:13,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:33:13,855 INFO L479 AbstractCegarLoop]: Abstraction has 685 states and 833 transitions. [2020-10-13 12:33:13,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 12:33:13,855 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 833 transitions. [2020-10-13 12:33:13,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-13 12:33:13,861 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:33:13,861 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:33:13,862 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 12:33:13,862 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:33:13,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:33:13,863 INFO L82 PathProgramCache]: Analyzing trace with hash -453271351, now seen corresponding path program 1 times [2020-10-13 12:33:13,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:33:13,863 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [312502225] [2020-10-13 12:33:13,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:33:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-13 12:33:13,908 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-13 12:33:13,908 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 12:33:13,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 12:33:13,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:33:13 BoogieIcfgContainer [2020-10-13 12:33:13,965 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:33:13,967 INFO L168 Benchmark]: Toolchain (without parser) took 53707.34 ms. Allocated memory was 149.9 MB in the beginning and 797.4 MB in the end (delta: 647.5 MB). Free memory was 105.0 MB in the beginning and 350.2 MB in the end (delta: -245.2 MB). Peak memory consumption was 402.3 MB. Max. memory is 7.1 GB. [2020-10-13 12:33:13,968 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 149.9 MB. Free memory was 124.5 MB in the beginning and 124.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 12:33:13,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.65 ms. Allocated memory was 149.9 MB in the beginning and 205.5 MB in the end (delta: 55.6 MB). Free memory was 104.8 MB in the beginning and 174.0 MB in the end (delta: -69.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2020-10-13 12:33:13,976 INFO L168 Benchmark]: Boogie Preprocessor took 119.03 ms. Allocated memory is still 205.5 MB. Free memory was 174.0 MB in the beginning and 170.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-10-13 12:33:13,982 INFO L168 Benchmark]: RCFGBuilder took 3164.73 ms. Allocated memory was 205.5 MB in the beginning and 230.7 MB in the end (delta: 25.2 MB). Free memory was 169.5 MB in the beginning and 187.6 MB in the end (delta: -18.1 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. [2020-10-13 12:33:13,984 INFO L168 Benchmark]: TraceAbstraction took 49787.17 ms. Allocated memory was 230.7 MB in the beginning and 797.4 MB in the end (delta: 566.8 MB). Free memory was 187.6 MB in the beginning and 350.2 MB in the end (delta: -162.6 MB). Peak memory consumption was 404.1 MB. Max. memory is 7.1 GB. [2020-10-13 12:33:13,990 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 149.9 MB. Free memory was 124.5 MB in the beginning and 124.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 631.65 ms. Allocated memory was 149.9 MB in the beginning and 205.5 MB in the end (delta: 55.6 MB). Free memory was 104.8 MB in the beginning and 174.0 MB in the end (delta: -69.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.03 ms. Allocated memory is still 205.5 MB. Free memory was 174.0 MB in the beginning and 170.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3164.73 ms. Allocated memory was 205.5 MB in the beginning and 230.7 MB in the end (delta: 25.2 MB). Free memory was 169.5 MB in the beginning and 187.6 MB in the end (delta: -18.1 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 49787.17 ms. Allocated memory was 230.7 MB in the beginning and 797.4 MB in the end (delta: 566.8 MB). Free memory was 187.6 MB in the beginning and 350.2 MB in the end (delta: -162.6 MB). Peak memory consumption was 404.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L239] int waterLevel = 1; [L240] int methaneLevelCritical = 0; [L610] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L833] int cleanupTimeShifts = 4; [L906] int retValue_acc ; [L907] int tmp ; [L911] FCALL select_helpers() [L912] FCALL select_features() [L913] CALL, EXPR valid_product() [L432] int retValue_acc ; [L435] retValue_acc = 1 [L436] return (retValue_acc); [L913] RET, EXPR valid_product() [L913] tmp = valid_product() [L915] COND TRUE \read(tmp) [L917] FCALL setup() [L918] CALL runTest() [L900] CALL test() [L335] int splverifierCounter ; [L336] int tmp ; [L337] int tmp___0 ; [L338] int tmp___1 ; [L339] int tmp___2 ; [L342] splverifierCounter = 0 [L344] COND TRUE 1 [L346] COND TRUE splverifierCounter < 4 [L352] tmp = __VERIFIER_nondet_int() [L354] COND TRUE \read(tmp) [L356] CALL waterRise() [L257] COND TRUE waterLevel < 2 [L258] waterLevel = waterLevel + 1 [L356] RET waterRise() [L362] tmp___0 = __VERIFIER_nondet_int() [L364] COND TRUE \read(tmp___0) [L366] CALL changeMethaneLevel() [L269] COND FALSE !(\read(methaneLevelCritical)) [L272] methaneLevelCritical = 1 [L366] RET changeMethaneLevel() [L372] tmp___2 = __VERIFIER_nondet_int() [L374] COND FALSE !(\read(tmp___2)) [L380] tmp___1 = __VERIFIER_nondet_int() [L382] COND FALSE !(\read(tmp___1)) [L391] CALL timeShift() [L68] COND FALSE !(\read(pumpRunning)) [L75] COND TRUE \read(systemActive) [L77] CALL processEnvironment() [L97] int tmp ; [L100] COND TRUE ! pumpRunning [L102] CALL, EXPR isHighWaterLevel() [L194] int retValue_acc ; [L195] int tmp ; [L196] int tmp___0 ; [L200] CALL, EXPR isHighWaterSensorDry() [L319] int retValue_acc ; [L322] COND FALSE !(waterLevel < 2) [L326] retValue_acc = 0 [L327] return (retValue_acc); [L200] RET, EXPR isHighWaterSensorDry() [L200] tmp = isHighWaterSensorDry() [L202] COND FALSE !(\read(tmp)) [L205] tmp___0 = 1 [L207] retValue_acc = tmp___0 [L208] return (retValue_acc); [L102] RET, EXPR isHighWaterLevel() [L102] tmp = isHighWaterLevel() [L104] COND TRUE \read(tmp) [L106] CALL activatePump() [L125] pumpRunning = 1 [L106] RET activatePump() [L77] RET processEnvironment() [L83] CALL __utac_acc__Specification1_spec__1() [L808] int tmp ; [L809] int tmp___0 ; [L813] CALL, EXPR isMethaneLevelCritical() [L278] int retValue_acc ; [L281] retValue_acc = methaneLevelCritical [L282] return (retValue_acc); [L813] RET, EXPR isMethaneLevelCritical() [L813] tmp = isMethaneLevelCritical() [L815] COND TRUE \read(tmp) [L817] CALL, EXPR isPumpRunning() [L149] int retValue_acc ; [L152] retValue_acc = pumpRunning [L153] return (retValue_acc); [L817] RET, EXPR isPumpRunning() [L817] tmp___0 = isPumpRunning() [L819] COND TRUE \read(tmp___0) [L821] CALL __automaton_fail() [L44] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 49.6s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 19.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 896 SDtfs, 1232 SDslu, 927 SDs, 0 SdLazy, 3534 SolverSat, 748 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 238 GetRequests, 170 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=685occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 8 MinimizatonAttempts, 292 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 28.6s InterpolantComputationTime, 607 NumberOfCodeBlocks, 607 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 516 ConstructedInterpolants, 0 QuantifiedInterpolants, 147464 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...