/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=SHALLOWEST --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 language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:41:53,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:41:53,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:41:53,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:41:53,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:41:53,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:41:53,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:41:53,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:41:53,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:41:53,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:41:53,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:41:53,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:41:53,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:41:53,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:41:53,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:41:53,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:41:53,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:41:53,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:41:53,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:41:53,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:41:53,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:41:53,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:41:53,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:41:53,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:41:53,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:41:53,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:41:53,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:41:53,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:41:53,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:41:53,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:41:53,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:41:53,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:41:53,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:41:53,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:41:53,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:41:53,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:41:53,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:41:53,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:41:53,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:41:53,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:41:53,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:41:53,918 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 [2020-10-27 03:41:53,969 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:41:53,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:41:53,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:41:53,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:41:53,974 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:41:53,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:41:53,974 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:41:53,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:41:53,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:41:53,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:41:53,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:41:53,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:41:53,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:41:53,977 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:41:53,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:41:53,978 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:41:53,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:41:53,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:41:53,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:41:53,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:41:53,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:41:53,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:41:53,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:41:53,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:41:53,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:41:53,980 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:41:53,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:41:53,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:41:53,981 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:41:53,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:41:54,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:41:54,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:41:54,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:41:54,504 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:41:54,504 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:41:54,505 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product42.cil.c [2020-10-27 03:41:54,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8a47068e/89125627724d45b9b7f93cb10073430b/FLAG4284cdaab [2020-10-27 03:41:55,296 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:41:55,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product42.cil.c [2020-10-27 03:41:55,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8a47068e/89125627724d45b9b7f93cb10073430b/FLAG4284cdaab [2020-10-27 03:41:55,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8a47068e/89125627724d45b9b7f93cb10073430b [2020-10-27 03:41:55,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:41:55,590 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:41:55,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:41:55,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:41:55,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:41:55,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:41:55" (1/1) ... [2020-10-27 03:41:55,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ea4a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:55, skipping insertion in model container [2020-10-27 03:41:55,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:41:55" (1/1) ... [2020-10-27 03:41:55,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:41:55,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:41:55,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:41:56,001 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:41:56,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:41:56,141 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:41:56,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:56 WrapperNode [2020-10-27 03:41:56,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:41:56,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:41:56,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:41:56,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:41:56,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:56" (1/1) ... [2020-10-27 03:41:56,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:56" (1/1) ... [2020-10-27 03:41:56,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:56" (1/1) ... [2020-10-27 03:41:56,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:56" (1/1) ... [2020-10-27 03:41:56,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:56" (1/1) ... [2020-10-27 03:41:56,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:56" (1/1) ... [2020-10-27 03:41:56,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:56" (1/1) ... [2020-10-27 03:41:56,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:41:56,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:41:56,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:41:56,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:41:56,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:56" (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 [2020-10-27 03:41:56,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:41:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:41:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 03:41:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:41:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 03:41:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 03:41:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 03:41:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 03:41:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 03:41:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 03:41:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 03:41:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 03:41:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 03:41:56,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 03:41:56,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 03:41:56,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 03:41:56,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 03:41:56,376 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 03:41:56,376 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 03:41:56,376 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 03:41:56,377 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 03:41:56,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-27 03:41:56,377 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 03:41:56,377 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 03:41:56,377 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 03:41:56,377 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 03:41:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:41:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 03:41:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 03:41:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 03:41:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 03:41:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-27 03:41:56,378 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 03:41:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 03:41:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 03:41:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 03:41:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 03:41:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 03:41:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-27 03:41:56,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 03:41:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:41:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:41:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:41:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:41:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:41:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 03:41:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 03:41:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 03:41:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 03:41:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 03:41:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 03:41:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 03:41:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 03:41:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 03:41:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 03:41:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 03:41:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 03:41:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 03:41:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:41:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 03:41:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 03:41:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:41:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 03:41:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 03:41:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:41:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 03:41:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 03:41:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 03:41:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 03:41:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 03:41:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 03:41:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 03:41:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 03:41:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 03:41:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-27 03:41:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 03:41:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 03:41:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 03:41:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 03:41:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 03:41:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 03:41:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 03:41:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:41:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-27 03:41:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 03:41:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 03:41:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 03:41:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 03:41:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 03:41:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-27 03:41:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 03:41:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:41:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:41:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:41:57,717 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:41:57,717 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 03:41:57,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:41:57 BoogieIcfgContainer [2020-10-27 03:41:57,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:41:57,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:41:57,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:41:57,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:41:57,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:41:55" (1/3) ... [2020-10-27 03:41:57,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d220eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:41:57, skipping insertion in model container [2020-10-27 03:41:57,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:56" (2/3) ... [2020-10-27 03:41:57,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d220eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:41:57, skipping insertion in model container [2020-10-27 03:41:57,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:41:57" (3/3) ... [2020-10-27 03:41:57,733 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product42.cil.c [2020-10-27 03:41:57,746 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:41:57,772 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 03:41:57,788 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 03:41:57,829 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:41:57,830 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:41:57,831 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:41:57,831 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:41:57,831 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:41:57,831 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:41:57,832 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:41:57,833 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:41:57,864 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-10-27 03:41:57,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 03:41:57,882 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:41:57,883 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] [2020-10-27 03:41:57,884 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:41:57,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:41:57,898 INFO L82 PathProgramCache]: Analyzing trace with hash -973821582, now seen corresponding path program 1 times [2020-10-27 03:41:57,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:41:57,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [228252207] [2020-10-27 03:41:57,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:41:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:58,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:58,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:58,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:00,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:00,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:03,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:03,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 03:42:03,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:42:03,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 03:42:03,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:03,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:42:03,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:03,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 03:42:03,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 03:42:03,683 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:03,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:42:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:03,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:03,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:03,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:03,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:03,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-27 03:42:03,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:03,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:03,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:03,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:42:03,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:03,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:42:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:03,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:03,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:03,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:03,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:03,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:03,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:03,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:03,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:42:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:03,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:03,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:03,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:03,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:03,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:03,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:03,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:03,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:03,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:03,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:03,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:03,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:03,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:03,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:03,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:03,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:42:03,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:03,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:03,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:03,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:03,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:03,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:42:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:03,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:03,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:03,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:03,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:03,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:03,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:03,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:03,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:03,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:03,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:03,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 03:42:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:03,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:03,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:03,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:03,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:03,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:03,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:03,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:03,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:03,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:03,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:03,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 03:42:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:03,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:03,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:03,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:03,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:03,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:42:03,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:03,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:03,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:03,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:03,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:03,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:42:03,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [228252207] [2020-10-27 03:42:03,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:42:03,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 03:42:03,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752835116] [2020-10-27 03:42:03,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 03:42:03,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:42:03,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 03:42:03,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:42:03,988 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 7 states. [2020-10-27 03:42:04,731 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:06,051 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:42:06,515 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:06,891 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:07,904 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:42:08,340 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:42:09,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:42:09,592 INFO L93 Difference]: Finished difference Result 381 states and 517 transitions. [2020-10-27 03:42:09,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 03:42:09,594 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2020-10-27 03:42:09,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:42:09,612 INFO L225 Difference]: With dead ends: 381 [2020-10-27 03:42:09,612 INFO L226 Difference]: Without dead ends: 231 [2020-10-27 03:42:09,622 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-27 03:42:09,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-10-27 03:42:09,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 197. [2020-10-27 03:42:09,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-27 03:42:09,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 244 transitions. [2020-10-27 03:42:09,776 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 244 transitions. Word has length 47 [2020-10-27 03:42:09,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:42:09,776 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 244 transitions. [2020-10-27 03:42:09,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 03:42:09,777 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 244 transitions. [2020-10-27 03:42:09,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-27 03:42:09,782 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:42:09,782 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:42:09,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:42:09,783 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:42:09,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:42:09,784 INFO L82 PathProgramCache]: Analyzing trace with hash 227892088, now seen corresponding path program 1 times [2020-10-27 03:42:09,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:42:09,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1013498813] [2020-10-27 03:42:09,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:42:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:09,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:09,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-27 03:42:14,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:42:14,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 03:42:14,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:42:14,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:14,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-27 03:42:14,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:15,298 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:15,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:42:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:15,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:15,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:15,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:15,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:15,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-27 03:42:15,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:15,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:15,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:15,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:42:15,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:15,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:42:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:15,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:15,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:15,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:15,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:15,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:15,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:15,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:15,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:15,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:15,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:15,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:42:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:15,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:15,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:15,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:15,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:15,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:15,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:15,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:15,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:15,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:15,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:15,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:15,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:15,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:15,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:15,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:15,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:15,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:15,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:15,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:15,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:15,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:15,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:42:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:15,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:15,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:15,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:15,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:15,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:15,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:15,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:15,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:15,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:15,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:15,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 03:42:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:15,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:15,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:15,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:15,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:42:15,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:42:15,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 03:42:15,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:15,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:15,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:15,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 03:42:15,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:15,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:15,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:15,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:15,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:42:15,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:15,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:15,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:15,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:15,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:15,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:15,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:42:15,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:15,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:15,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:15,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:42:15,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:15,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:15,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:15,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:15,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:15,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:15,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:42:15,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:42:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:15,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:15,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:15,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:42:15,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:15,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:42:15,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:15,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:15,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:15,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:15,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:15,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:15,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:15,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:15,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:42:15,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:15,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:15,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:15,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:15,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:15,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:15,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:15,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:15,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:15,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:15,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:15,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:15,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:15,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:15,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:15,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:15,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:15,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:15,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:15,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:15,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:15,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:15,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:15,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:15,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:15,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:15,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:15,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 03:42:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:15,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:15,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:15,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:15,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:15,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:15,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:15,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:15,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:15,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:15,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:15,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 03:42:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:15,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:15,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:15,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:15,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:15,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:15,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:15,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:15,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:15,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:15,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:42:15,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:42:15,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1013498813] [2020-10-27 03:42:15,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:42:15,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 03:42:15,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997650417] [2020-10-27 03:42:15,635 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 03:42:15,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:42:15,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 03:42:15,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 03:42:15,636 INFO L87 Difference]: Start difference. First operand 197 states and 244 transitions. Second operand 8 states. [2020-10-27 03:42:16,372 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:17,314 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:17,819 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:18,296 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:18,885 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:20,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:42:20,887 INFO L93 Difference]: Finished difference Result 579 states and 800 transitions. [2020-10-27 03:42:20,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 03:42:20,887 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 91 [2020-10-27 03:42:20,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:42:20,895 INFO L225 Difference]: With dead ends: 579 [2020-10-27 03:42:20,895 INFO L226 Difference]: Without dead ends: 406 [2020-10-27 03:42:20,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-27 03:42:20,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2020-10-27 03:42:21,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 336. [2020-10-27 03:42:21,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2020-10-27 03:42:21,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 425 transitions. [2020-10-27 03:42:21,023 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 425 transitions. Word has length 91 [2020-10-27 03:42:21,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:42:21,024 INFO L481 AbstractCegarLoop]: Abstraction has 336 states and 425 transitions. [2020-10-27 03:42:21,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 03:42:21,024 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 425 transitions. [2020-10-27 03:42:21,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-27 03:42:21,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:42:21,029 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:42:21,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:42:21,029 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:42:21,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:42:21,030 INFO L82 PathProgramCache]: Analyzing trace with hash -481797291, now seen corresponding path program 1 times [2020-10-27 03:42:21,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:42:21,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1796637987] [2020-10-27 03:42:21,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:42:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:21,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:21,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:21,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:21,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:21,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:21,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:22,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:22,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:26,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-27 03:42:26,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 03:42:26,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-27 03:42:26,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:26,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:42:26,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:26,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-27 03:42:26,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:26,495 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:26,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:42:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:26,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:26,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:26,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:26,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-27 03:42:26,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:26,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:26,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:26,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:42:26,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:26,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:42:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:26,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:26,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:26,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:26,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:26,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:26,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:26,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:26,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:26,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:26,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:42:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:26,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:26,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:26,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:26,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:26,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:26,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:26,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:26,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:26,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:26,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:26,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:26,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:26,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:26,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:26,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:26,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:26,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:26,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:26,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:26,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:42:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:26,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:26,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:26,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:26,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:26,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:26,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:26,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:26,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:26,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:26,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:42:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:26,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:26,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:26,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:26,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:26,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:26,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:26,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:26,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:26,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:26,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:42:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:26,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:26,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:42:26,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:26,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:42:26,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:26,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:26,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 03:42:26,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 03:42:26,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:26,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:26,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:26,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:42:26,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:26,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:42:26,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:26,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:26,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:26,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:42:26,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:26,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:26,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:26,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:26,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:26,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:26,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:26,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:26,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:26,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:26,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:26,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 03:42:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:26,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:26,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:42:26,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:26,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:26,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:26,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:26,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 03:42:26,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:26,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:26,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:26,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:26,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:42:26,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:26,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:26,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:26,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:26,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:26,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:26,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:26,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:26,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:26,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:26,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:26,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:26,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:26,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:26,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:26,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:26,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:26,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 03:42:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:26,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:26,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:42:26,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:42:26,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 03:42:26,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:26,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:42:26,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 03:42:26,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:42:26,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:26,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:26,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:26,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:42:26,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:26,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 03:42:26,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:26,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:26,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:26,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:42:26,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:26,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:26,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:26,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:42:26,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:26,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:26,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:26,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:26,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:26,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:26,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:26,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:42:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:26,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:26,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:42:26,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:26,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:42:26,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:26,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:26,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 03:42:26,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:26,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:26,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:26,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:26,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:42:26,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:26,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:26,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:26,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:26,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:26,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:26,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:26,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:26,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:26,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:26,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:26,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:26,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:26,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:26,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:26,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:26,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:26,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:26,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:26,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:26,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:26,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:26,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:26,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:26,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:26,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:26,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:26,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 03:42:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:26,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:26,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:26,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:26,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:26,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:26,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:26,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:26,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:26,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:26,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 03:42:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:26,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:26,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:26,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:26,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:26,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:26,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:26,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:26,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:26,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:26,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:27,004 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-27 03:42:27,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1796637987] [2020-10-27 03:42:27,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:42:27,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 03:42:27,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657415657] [2020-10-27 03:42:27,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 03:42:27,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:42:27,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 03:42:27,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-27 03:42:27,007 INFO L87 Difference]: Start difference. First operand 336 states and 425 transitions. Second operand 12 states. [2020-10-27 03:42:27,873 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:28,973 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:42:29,399 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:42:29,830 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:42:30,259 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:42:32,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:42:32,070 INFO L93 Difference]: Finished difference Result 746 states and 1067 transitions. [2020-10-27 03:42:32,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 03:42:32,071 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 133 [2020-10-27 03:42:32,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:42:32,077 INFO L225 Difference]: With dead ends: 746 [2020-10-27 03:42:32,077 INFO L226 Difference]: Without dead ends: 434 [2020-10-27 03:42:32,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-10-27 03:42:32,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-27 03:42:32,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 346. [2020-10-27 03:42:32,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-10-27 03:42:32,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 428 transitions. [2020-10-27 03:42:32,176 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 428 transitions. Word has length 133 [2020-10-27 03:42:32,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:42:32,177 INFO L481 AbstractCegarLoop]: Abstraction has 346 states and 428 transitions. [2020-10-27 03:42:32,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 03:42:32,177 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 428 transitions. [2020-10-27 03:42:32,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-27 03:42:32,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:42:32,180 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:42:32,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:42:32,180 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:42:32,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:42:32,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1872671996, now seen corresponding path program 1 times [2020-10-27 03:42:32,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:42:32,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1117615226] [2020-10-27 03:42:32,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:42:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:32,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:32,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:32,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:37,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:37,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-27 03:42:37,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:42:37,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 03:42:37,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:37,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 03:42:37,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:37,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-27 03:42:37,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:37,630 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:37,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:42:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:37,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:37,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:37,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:37,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:37,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 03:42:37,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:37,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:37,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:37,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:42:37,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:37,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:42:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:37,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:37,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:37,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:37,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:37,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:37,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:37,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:37,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:37,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:37,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:37,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:42:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:37,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:37,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:37,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:37,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:37,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:37,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:37,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:37,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:37,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:37,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:37,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:37,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:37,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:37,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:37,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:37,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:37,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:37,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:37,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:37,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:37,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:37,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:42:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:37,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:37,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:37,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:37,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:37,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:37,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:37,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:37,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:37,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:37,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:37,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:42:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:37,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:37,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:37,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:37,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:37,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:42:37,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:37,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:42:37,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:42:37,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:42:37,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:37,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:42:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:37,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:37,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:37,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:37,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:37,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:42:37,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:42:37,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 03:42:37,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:37,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:37,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:37,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 03:42:37,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:37,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:37,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:37,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:37,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:37,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:42:37,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:42:37,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 03:42:37,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:37,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:37,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:37,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:37,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:37,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:37,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:37,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:37,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:42:37,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:37,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:37,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:37,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:37,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:37,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:37,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:37,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:42:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:37,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:37,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:37,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:42:37,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:37,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 03:42:37,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:37,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:37,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:37,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:37,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:42:37,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:37,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:37,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:37,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:42:37,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:37,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:37,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:37,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:37,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:37,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:37,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:37,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:37,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:37,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:37,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:37,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:37,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:37,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:37,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:37,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:37,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:37,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:42:37,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:37,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:37,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:37,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:37,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:37,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:37,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:37,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:37,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:37,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:37,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:37,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 03:42:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:37,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:37,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:37,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:37,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:37,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:37,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:37,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:37,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:37,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:37,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:37,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 03:42:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:37,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:37,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:37,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:37,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:37,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:37,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:37,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:37,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:37,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:37,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:38,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:42:38,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1117615226] [2020-10-27 03:42:38,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:42:38,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 03:42:38,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114777079] [2020-10-27 03:42:38,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 03:42:38,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:42:38,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 03:42:38,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:42:38,009 INFO L87 Difference]: Start difference. First operand 346 states and 428 transitions. Second operand 11 states. [2020-10-27 03:42:38,844 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:39,678 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:40,700 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:41,471 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:41,931 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:42,363 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:43,488 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:44,463 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 205 [2020-10-27 03:42:45,534 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-27 03:42:48,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:42:48,514 INFO L93 Difference]: Finished difference Result 939 states and 1428 transitions. [2020-10-27 03:42:48,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 03:42:48,515 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2020-10-27 03:42:48,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:42:48,526 INFO L225 Difference]: With dead ends: 939 [2020-10-27 03:42:48,527 INFO L226 Difference]: Without dead ends: 754 [2020-10-27 03:42:48,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2020-10-27 03:42:48,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2020-10-27 03:42:48,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 625. [2020-10-27 03:42:48,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2020-10-27 03:42:48,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 831 transitions. [2020-10-27 03:42:48,717 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 831 transitions. Word has length 95 [2020-10-27 03:42:48,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:42:48,718 INFO L481 AbstractCegarLoop]: Abstraction has 625 states and 831 transitions. [2020-10-27 03:42:48,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 03:42:48,718 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 831 transitions. [2020-10-27 03:42:48,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-27 03:42:48,721 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:42:48,722 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:42:48,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 03:42:48,722 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:42:48,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:42:48,723 INFO L82 PathProgramCache]: Analyzing trace with hash -113728314, now seen corresponding path program 1 times [2020-10-27 03:42:48,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:42:48,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [836229799] [2020-10-27 03:42:48,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:42:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:48,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:48,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:48,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:49,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:49,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 03:42:49,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:42:49,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 950 [2020-10-27 03:42:49,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:49,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:49,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 03:42:49,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 03:42:49,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:50,073 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:50,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:42:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:50,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:50,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:50,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:50,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 03:42:50,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:50,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:50,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:42:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:50,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:50,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:50,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:50,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:50,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:50,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:50,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:42:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:50,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:50,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:50,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:50,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:42:50,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:50,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:50,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:50,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:50,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:50,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:50,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:50,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:50,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:50,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:50,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:50,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:50,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:50,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:50,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:50,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:42:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:50,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:50,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:50,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:50,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:42:50,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:50,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:50,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:50,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:50,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:50,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 03:42:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:50,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:50,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 03:42:50,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:42:50,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-27 03:42:50,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:50,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:50,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:50,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-27 03:42:50,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:50,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:50,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:50,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:42:50,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:42:50,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 03:42:50,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:50,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:50,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:50,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:50,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:50,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:50,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:50,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:42:50,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:42:50,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 03:42:50,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:50,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:50,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:50,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:50,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:50,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:50,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:50,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:42:50,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:50,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:50,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:50,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:50,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:50,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:50,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:50,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:42:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:50,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:50,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:42:50,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:50,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:50,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:50,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:50,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:50,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:50,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:50,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:50,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:50,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:42:50,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:50,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:50,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:50,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:50,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:50,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:50,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:50,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:50,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:50,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:50,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:50,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:50,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:50,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:50,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:50,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:50,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:50,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:50,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:50,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:50,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:50,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:50,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:50,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:50,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:50,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:50,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:50,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:42:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:50,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:50,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:42:50,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:50,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:50,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:50,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:50,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:50,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:50,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:50,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:50,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:50,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:50,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:50,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:50,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:50,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:50,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:50,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:50,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:50,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 03:42:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:50,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:50,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:50,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:50,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:50,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:50,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:50,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:50,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 03:42:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:50,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:50,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:42:50,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:50,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:50,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:50,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:50,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 03:42:50,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:50,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:50,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:50,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:50,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:50,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:50,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:50,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:50,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:50,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:50,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:50,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:50,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 03:42:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:50,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:50,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:50,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:50,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:50,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:50,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:50,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:50,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:50,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:50,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 03:42:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:50,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:50,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:50,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:50,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:50,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:50,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:50,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:50,415 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 03:42:50,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [836229799] [2020-10-27 03:42:50,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:42:50,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 03:42:50,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411814102] [2020-10-27 03:42:50,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 03:42:50,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:42:50,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 03:42:50,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:42:50,419 INFO L87 Difference]: Start difference. First operand 625 states and 831 transitions. Second operand 7 states. [2020-10-27 03:42:51,227 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:42:52,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:42:52,846 INFO L93 Difference]: Finished difference Result 1053 states and 1329 transitions. [2020-10-27 03:42:52,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 03:42:52,848 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 122 [2020-10-27 03:42:52,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:42:52,853 INFO L225 Difference]: With dead ends: 1053 [2020-10-27 03:42:52,853 INFO L226 Difference]: Without dead ends: 584 [2020-10-27 03:42:52,856 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:42:52,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2020-10-27 03:42:52,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 534. [2020-10-27 03:42:52,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-10-27 03:42:52,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 635 transitions. [2020-10-27 03:42:52,975 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 635 transitions. Word has length 122 [2020-10-27 03:42:52,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:42:52,976 INFO L481 AbstractCegarLoop]: Abstraction has 534 states and 635 transitions. [2020-10-27 03:42:52,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 03:42:52,976 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 635 transitions. [2020-10-27 03:42:52,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 03:42:52,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:42:52,979 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:42:52,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 03:42:52,979 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:42:52,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:42:52,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1870313442, now seen corresponding path program 1 times [2020-10-27 03:42:52,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:42:52,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [536432322] [2020-10-27 03:42:52,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:42:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:53,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:53,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:53,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 03:42:53,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:53,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284 [2020-10-27 03:42:53,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:53,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:53,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-27 03:42:53,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:53,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:53,645 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:53,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:42:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:53,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:53,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:53,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:53,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:53,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 03:42:53,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:53,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:53,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:53,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:53,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:53,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:42:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:53,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:53,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:53,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:53,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:53,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:42:53,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:53,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:53,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:53,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:53,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:53,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:42:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:53,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:53,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:53,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:53,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:53,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:42:53,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:53,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:53,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:53,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:53,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 23 [2020-10-27 03:42:53,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:53,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:53,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:53,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:53,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:53,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:42:53,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:53,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:53,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:53,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:53,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:53,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:42:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:53,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:53,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:53,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:53,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:53,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:42:53,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:53,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:53,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:53,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:53,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:53,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 03:42:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:53,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:53,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:53,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 03:42:53,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:53,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 03:42:53,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:53,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:53,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 03:42:53,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:53,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:53,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:53,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:53,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:53,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:42:53,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:53,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 03:42:53,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:53,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:53,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 03:42:53,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:53,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:53,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:53,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:53,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:53,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:42:53,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:53,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 03:42:53,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:53,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:53,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 03:42:53,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:53,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:53,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:53,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:53,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:53,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:42:53,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:53,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:53,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:53,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:42:53,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:53,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:53,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:53,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:42:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:53,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:53,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:53,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:42:53,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:53,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:53,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:53,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:53,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 03:42:53,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:53,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:53,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:53,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:53,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:53,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:42:53,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:53,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:53,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:53,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:53,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:53,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:53,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:53,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:53,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:53,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:53,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:53,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:53,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:42:53,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:53,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:53,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:53,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:53,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:53,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:53,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:53,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:53,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:53,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:53,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:53,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:53,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:53,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:53,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:53,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:53,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:42:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:53,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:53,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:53,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:42:53,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:53,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:53,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:53,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:53,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:42:53,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:53,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:53,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:53,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:53,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:53,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:53,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:53,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:53,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:53,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:53,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:53,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:53,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:54,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 03:42:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:54,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:54,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:54,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:54,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:54,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:54,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:54,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:54,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:54,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:54,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:54,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 03:42:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:54,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:54,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:54,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:42:54,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:54,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:54,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:54,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:54,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 03:42:54,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:54,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:54,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:54,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:54,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:54,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:54,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:54,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:42:54,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:54,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:54,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:54,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:54,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:54,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 03:42:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:54,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:54,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:54,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:54,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:54,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:54,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:54,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:54,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:54,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:54,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:54,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 03:42:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:54,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:54,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:54,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:54,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:54,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:54,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:54,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:54,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:54,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:54,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:54,073 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 03:42:54,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [536432322] [2020-10-27 03:42:54,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:42:54,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 03:42:54,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540830429] [2020-10-27 03:42:54,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 03:42:54,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:42:54,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 03:42:54,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:42:54,078 INFO L87 Difference]: Start difference. First operand 534 states and 635 transitions. Second operand 9 states. [2020-10-27 03:42:55,432 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:42:55,845 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:56,239 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:57,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:42:57,440 INFO L93 Difference]: Finished difference Result 948 states and 1171 transitions. [2020-10-27 03:42:57,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 03:42:57,442 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 127 [2020-10-27 03:42:57,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:42:57,445 INFO L225 Difference]: With dead ends: 948 [2020-10-27 03:42:57,445 INFO L226 Difference]: Without dead ends: 438 [2020-10-27 03:42:57,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-27 03:42:57,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-10-27 03:42:57,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 408. [2020-10-27 03:42:57,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2020-10-27 03:42:57,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 483 transitions. [2020-10-27 03:42:57,563 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 483 transitions. Word has length 127 [2020-10-27 03:42:57,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:42:57,563 INFO L481 AbstractCegarLoop]: Abstraction has 408 states and 483 transitions. [2020-10-27 03:42:57,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 03:42:57,564 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 483 transitions. [2020-10-27 03:42:57,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-27 03:42:57,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:42:57,566 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:42:57,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 03:42:57,566 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:42:57,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:42:57,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1210921479, now seen corresponding path program 1 times [2020-10-27 03:42:57,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:42:57,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1300600844] [2020-10-27 03:42:57,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:42:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:57,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:57,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:00,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:00,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-27 03:43:00,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:43:00,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2708 [2020-10-27 03:43:00,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:00,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 03:43:00,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:00,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 03:43:00,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:00,804 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:43:00,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:43:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:00,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:00,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:00,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:00,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:00,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-27 03:43:00,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:00,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:00,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:00,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:43:00,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:43:00,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:43:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:00,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:00,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:00,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:00,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:00,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:00,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:00,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:00,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:00,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:43:00,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:00,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:43:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:00,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:00,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:00,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:00,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:00,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:00,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:00,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:00,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:00,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:43:00,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:00,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:00,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:00,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:00,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:00,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:00,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:00,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:00,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:00,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:00,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:00,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:43:00,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:43:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:00,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:00,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:00,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:00,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:00,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:00,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:00,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:00,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:00,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:43:00,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:00,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:43:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:00,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:00,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:00,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:00,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:00,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:43:00,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:00,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:43:00,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:43:00,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:43:00,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 03:43:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 03:43:01,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:43:01,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 03:43:01,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:01,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:43:01,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 03:43:01,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:43:01,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:43:01,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:01,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 03:43:01,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:43:01,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:01,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:43:01,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:01,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:43:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:43:01,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:01,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:43:01,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:01,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:01,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:01,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:01,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:01,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:43:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:43:01,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:43:01,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:01,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:43:01,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:01,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:01,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 03:43:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:01,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:43:01,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:43:01,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:43:01,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:43:01,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 03:43:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:43:01,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:43:01,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:01,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 03:43:01,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:01,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:01,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 03:43:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:01,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:01,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:01,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:01,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:01,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 03:43:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:01,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:01,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:01,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:01,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:01,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:43:01,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:01,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:01,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:01,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:01,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:01,335 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-27 03:43:01,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1300600844] [2020-10-27 03:43:01,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:43:01,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 03:43:01,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810586130] [2020-10-27 03:43:01,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 03:43:01,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:43:01,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 03:43:01,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-10-27 03:43:01,337 INFO L87 Difference]: Start difference. First operand 408 states and 483 transitions. Second operand 14 states. [2020-10-27 03:43:02,174 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:43:02,989 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:43:04,126 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:04,600 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:05,058 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:05,475 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:05,938 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:43:06,403 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:43:07,277 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:43:07,825 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:08,259 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:08,678 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:09,601 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:43:10,682 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 205 [2020-10-27 03:43:11,710 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-27 03:43:12,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:43:12,698 INFO L93 Difference]: Finished difference Result 953 states and 1232 transitions. [2020-10-27 03:43:12,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-27 03:43:12,699 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 131 [2020-10-27 03:43:12,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:43:12,715 INFO L225 Difference]: With dead ends: 953 [2020-10-27 03:43:12,715 INFO L226 Difference]: Without dead ends: 627 [2020-10-27 03:43:12,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=357, Invalid=1125, Unknown=0, NotChecked=0, Total=1482 [2020-10-27 03:43:12,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2020-10-27 03:43:12,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 516. [2020-10-27 03:43:12,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2020-10-27 03:43:12,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 620 transitions. [2020-10-27 03:43:12,867 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 620 transitions. Word has length 131 [2020-10-27 03:43:12,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:43:12,869 INFO L481 AbstractCegarLoop]: Abstraction has 516 states and 620 transitions. [2020-10-27 03:43:12,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 03:43:12,870 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 620 transitions. [2020-10-27 03:43:12,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-27 03:43:12,873 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:43:12,874 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:43:12,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 03:43:12,874 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:43:12,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:43:12,875 INFO L82 PathProgramCache]: Analyzing trace with hash -197662925, now seen corresponding path program 2 times [2020-10-27 03:43:12,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:43:12,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [594043777] [2020-10-27 03:43:12,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:43:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 03:43:12,928 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 03:43:12,928 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 03:43:12,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 03:43:12,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:43:12 BoogieIcfgContainer [2020-10-27 03:43:12,986 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 03:43:12,988 INFO L168 Benchmark]: Toolchain (without parser) took 77402.05 ms. Allocated memory was 156.2 MB in the beginning and 685.8 MB in the end (delta: 529.5 MB). Free memory was 131.0 MB in the beginning and 437.5 MB in the end (delta: -306.5 MB). Peak memory consumption was 223.8 MB. Max. memory is 8.0 GB. [2020-10-27 03:43:12,989 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 156.2 MB. Free memory is still 128.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 03:43:12,998 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.26 ms. Allocated memory is still 156.2 MB. Free memory was 130.5 MB in the beginning and 109.8 MB in the end (delta: 20.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-27 03:43:13,004 INFO L168 Benchmark]: Boogie Preprocessor took 137.22 ms. Allocated memory is still 156.2 MB. Free memory was 109.6 MB in the beginning and 105.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 03:43:13,005 INFO L168 Benchmark]: RCFGBuilder took 1440.72 ms. Allocated memory is still 156.2 MB. Free memory was 105.9 MB in the beginning and 53.7 MB in the end (delta: 52.1 MB). Peak memory consumption was 52.9 MB. Max. memory is 8.0 GB. [2020-10-27 03:43:13,005 INFO L168 Benchmark]: TraceAbstraction took 75261.31 ms. Allocated memory was 156.2 MB in the beginning and 685.8 MB in the end (delta: 529.5 MB). Free memory was 53.2 MB in the beginning and 437.5 MB in the end (delta: -384.3 MB). Peak memory consumption was 145.7 MB. Max. memory is 8.0 GB. [2020-10-27 03:43:13,011 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 156.2 MB. Free memory is still 128.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 550.26 ms. Allocated memory is still 156.2 MB. Free memory was 130.5 MB in the beginning and 109.8 MB in the end (delta: 20.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 137.22 ms. Allocated memory is still 156.2 MB. Free memory was 109.6 MB in the beginning and 105.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1440.72 ms. Allocated memory is still 156.2 MB. Free memory was 105.9 MB in the beginning and 53.7 MB in the end (delta: 52.1 MB). Peak memory consumption was 52.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 75261.31 ms. Allocated memory was 156.2 MB in the beginning and 685.8 MB in the end (delta: 529.5 MB). Free memory was 53.2 MB in the beginning and 437.5 MB in the end (delta: -384.3 MB). Peak memory consumption was 145.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int waterLevel = 1; [L50] int methaneLevelCritical = 0; [L312] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L575] int cleanupTimeShifts = 4; [L744] int pumpRunning = 0; [L745] int systemActive = 1; [L651] int retValue_acc ; [L652] int tmp ; [L656] FCALL select_helpers() [L657] FCALL select_features() [L658] CALL, EXPR valid_product() [L538] int retValue_acc ; [L541] retValue_acc = 1 [L542] return (retValue_acc); [L658] RET, EXPR valid_product() [L658] tmp = valid_product() [L660] COND TRUE \read(tmp) [L662] FCALL setup() [L663] CALL runTest() [L645] CALL test() [L676] int splverifierCounter ; [L677] int tmp ; [L678] int tmp___0 ; [L679] int tmp___1 ; [L680] int tmp___2 ; [L683] splverifierCounter = 0 [L685] COND TRUE 1 [L687] COND TRUE splverifierCounter < 4 [L693] tmp = __VERIFIER_nondet_int() [L695] COND TRUE \read(tmp) [L697] CALL waterRise() [L67] COND TRUE waterLevel < 2 [L68] waterLevel = waterLevel + 1 [L697] RET waterRise() [L703] tmp___0 = __VERIFIER_nondet_int() [L705] COND FALSE !(\read(tmp___0)) [L713] tmp___2 = __VERIFIER_nondet_int() [L715] COND FALSE !(\read(tmp___2)) [L721] tmp___1 = __VERIFIER_nondet_int() [L723] COND TRUE \read(tmp___1) [L730] CALL timeShift() [L751] COND FALSE !(\read(pumpRunning)) [L758] COND TRUE \read(systemActive) [L760] CALL processEnvironment() [L780] int tmp ; [L783] COND TRUE ! pumpRunning [L785] CALL, EXPR isHighWaterLevel() [L895] int retValue_acc ; [L896] int tmp ; [L897] int tmp___0 ; [L901] CALL, EXPR isHighWaterSensorDry() [L129] int retValue_acc ; [L132] COND FALSE !(waterLevel < 2) [L136] retValue_acc = 0 [L137] return (retValue_acc); [L901] RET, EXPR isHighWaterSensorDry() [L901] tmp = isHighWaterSensorDry() [L903] COND FALSE !(\read(tmp)) [L906] tmp___0 = 1 [L908] retValue_acc = tmp___0 [L909] return (retValue_acc); [L785] RET, EXPR isHighWaterLevel() [L785] tmp = isHighWaterLevel() [L787] COND TRUE \read(tmp) [L789] CALL activatePump() [L814] int tmp ; [L818] CALL, EXPR isMethaneAlarm() [L839] int retValue_acc ; [L843] CALL, EXPR isMethaneLevelCritical() [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L843] RET, EXPR isMethaneLevelCritical() [L843] retValue_acc = isMethaneLevelCritical() [L845] return (retValue_acc); [L818] RET, EXPR isMethaneAlarm() [L818] tmp = isMethaneAlarm() [L820] COND FALSE !(\read(tmp)) [L824] CALL activatePump__wrappee__highWaterSensor() [L808] pumpRunning = 1 [L824] RET activatePump__wrappee__highWaterSensor() [L789] RET activatePump() [L760] RET processEnvironment() [L766] CALL __utac_acc__Specification4_spec__1() [L550] int tmp ; [L551] int tmp___0 ; [L555] CALL, EXPR getWaterLevel() [L120] int retValue_acc ; [L123] retValue_acc = waterLevel [L124] return (retValue_acc); [L555] RET, EXPR getWaterLevel() [L555] tmp = getWaterLevel() [L557] COND FALSE !(tmp == 0) [L766] RET __utac_acc__Specification4_spec__1() [L730] RET timeShift() [L685] COND TRUE 1 [L687] COND TRUE splverifierCounter < 4 [L693] tmp = __VERIFIER_nondet_int() [L695] COND FALSE !(\read(tmp)) [L703] tmp___0 = __VERIFIER_nondet_int() [L705] COND FALSE !(\read(tmp___0)) [L713] tmp___2 = __VERIFIER_nondet_int() [L715] COND FALSE !(\read(tmp___2)) [L721] tmp___1 = __VERIFIER_nondet_int() [L723] COND TRUE \read(tmp___1) [L730] CALL timeShift() [L751] COND TRUE \read(pumpRunning) [L753] CALL lowerWaterLevel() [L55] COND TRUE waterLevel > 0 [L56] waterLevel = waterLevel - 1 [L753] RET lowerWaterLevel() [L758] COND TRUE \read(systemActive) [L760] CALL processEnvironment() [L780] int tmp ; [L783] COND FALSE !(! pumpRunning) [L798] FCALL processEnvironment__wrappee__base() [L760] RET processEnvironment() [L766] CALL __utac_acc__Specification4_spec__1() [L550] int tmp ; [L551] int tmp___0 ; [L555] CALL, EXPR getWaterLevel() [L120] int retValue_acc ; [L123] retValue_acc = waterLevel [L124] return (retValue_acc); [L555] RET, EXPR getWaterLevel() [L555] tmp = getWaterLevel() [L557] COND FALSE !(tmp == 0) [L766] RET __utac_acc__Specification4_spec__1() [L730] RET timeShift() [L685] COND TRUE 1 [L687] COND TRUE splverifierCounter < 4 [L693] tmp = __VERIFIER_nondet_int() [L695] COND FALSE !(\read(tmp)) [L703] tmp___0 = __VERIFIER_nondet_int() [L705] COND FALSE !(\read(tmp___0)) [L713] tmp___2 = __VERIFIER_nondet_int() [L715] COND FALSE !(\read(tmp___2)) [L721] tmp___1 = __VERIFIER_nondet_int() [L723] COND TRUE \read(tmp___1) [L730] CALL timeShift() [L751] COND TRUE \read(pumpRunning) [L753] CALL lowerWaterLevel() [L55] COND TRUE waterLevel > 0 [L56] waterLevel = waterLevel - 1 [L753] RET lowerWaterLevel() [L758] COND TRUE \read(systemActive) [L760] CALL processEnvironment() [L780] int tmp ; [L783] COND FALSE !(! pumpRunning) [L798] FCALL processEnvironment__wrappee__base() [L760] RET processEnvironment() [L766] CALL __utac_acc__Specification4_spec__1() [L550] int tmp ; [L551] int tmp___0 ; [L555] CALL, EXPR getWaterLevel() [L120] int retValue_acc ; [L123] retValue_acc = waterLevel [L124] return (retValue_acc); [L555] RET, EXPR getWaterLevel() [L555] tmp = getWaterLevel() [L557] COND TRUE tmp == 0 [L559] CALL, EXPR isPumpRunning() [L850] int retValue_acc ; [L853] retValue_acc = pumpRunning [L854] return (retValue_acc); [L559] RET, EXPR isPumpRunning() [L559] tmp___0 = isPumpRunning() [L561] COND TRUE \read(tmp___0) [L563] CALL __automaton_fail() [L926] CALL reach_error() [L3] __assert_fail("0", "minepump_spec4_product42.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 238 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 75.1s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 43.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 902 SDtfs, 2593 SDslu, 1423 SDs, 0 SdLazy, 6462 SolverSat, 2024 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 380 GetRequests, 256 SyntacticMatches, 1 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 600 ImplicationChecksByTransitivity, 21.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=625occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 7 MinimizatonAttempts, 512 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 29.5s InterpolantComputationTime, 913 NumberOfCodeBlocks, 913 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 739 ConstructedInterpolants, 0 QuantifiedInterpolants, 288604 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 90/103 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...