/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:44:39,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:44:39,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:44:39,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:44:39,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:44:39,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:44:39,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:44:39,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:44:39,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:44:39,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:44:39,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:44:39,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:44:39,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:44:39,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:44:39,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:44:39,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:44:39,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:44:39,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:44:39,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:44:39,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:44:39,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:44:39,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:44:39,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:44:39,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:44:39,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:44:39,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:44:39,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:44:39,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:44:39,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:44:39,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:44:39,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:44:39,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:44:39,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:44:39,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:44:39,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:44:39,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:44:39,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:44:39,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:44:39,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:44:39,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:44:39,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:44:39,943 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 [2020-10-29 11:44:40,005 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:44:40,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:44:40,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:44:40,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:44:40,008 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:44:40,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:44:40,008 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:44:40,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:44:40,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:44:40,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:44:40,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:44:40,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:44:40,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:44:40,010 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:44:40,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:44:40,010 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:44:40,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:44:40,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:44:40,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:44:40,011 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:44:40,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:44:40,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:44:40,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:44:40,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:44:40,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:44:40,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:44:40,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:44:40,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:44:40,012 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:44:40,013 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:44:40,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:44:40,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:44:40,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:44:40,442 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:44:40,443 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:44:40,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product41.cil.c [2020-10-29 11:44:40,533 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/663a542d1/9695df83a9e548cfa412065a3df7a4c1/FLAG8394bdf15 [2020-10-29 11:44:41,308 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:44:41,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product41.cil.c [2020-10-29 11:44:41,328 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/663a542d1/9695df83a9e548cfa412065a3df7a4c1/FLAG8394bdf15 [2020-10-29 11:44:41,539 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/663a542d1/9695df83a9e548cfa412065a3df7a4c1 [2020-10-29 11:44:41,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:44:41,554 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:44:41,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:44:41,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:44:41,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:44:41,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:44:41" (1/1) ... [2020-10-29 11:44:41,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac5c97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:44:41, skipping insertion in model container [2020-10-29 11:44:41,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:44:41" (1/1) ... [2020-10-29 11:44:41,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:44:41,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:44:42,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:44:42,054 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:44:42,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:44:42,364 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:44:42,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:44:42 WrapperNode [2020-10-29 11:44:42,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:44:42,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:44:42,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:44:42,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:44:42,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:44:42" (1/1) ... [2020-10-29 11:44:42,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:44:42" (1/1) ... [2020-10-29 11:44:42,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:44:42" (1/1) ... [2020-10-29 11:44:42,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:44:42" (1/1) ... [2020-10-29 11:44:42,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:44:42" (1/1) ... [2020-10-29 11:44:42,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:44:42" (1/1) ... [2020-10-29 11:44:42,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:44:42" (1/1) ... [2020-10-29 11:44:42,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:44:42,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:44:42,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:44:42,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:44:42,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:44:42" (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 [2020-10-29 11:44:42,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:44:42,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:44:42,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 11:44:42,595 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:44:42,596 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-29 11:44:42,596 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-29 11:44:42,596 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-29 11:44:42,596 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-29 11:44:42,596 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-29 11:44:42,596 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-29 11:44:42,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-29 11:44:42,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-29 11:44:42,597 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 11:44:42,597 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 11:44:42,597 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 11:44:42,598 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 11:44:42,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 11:44:42,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 11:44:42,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 11:44:42,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 11:44:42,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 11:44:42,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 11:44:42,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 11:44:42,599 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 11:44:42,599 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 11:44:42,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-29 11:44:42,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-29 11:44:42,600 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-29 11:44:42,600 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-29 11:44:42,600 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-29 11:44:42,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-29 11:44:42,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-29 11:44:42,601 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-29 11:44:42,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-29 11:44:42,601 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 11:44:42,602 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 11:44:42,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 11:44:42,602 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 11:44:42,602 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:44:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:44:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:44:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:44:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:44:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:44:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 11:44:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-29 11:44:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-29 11:44:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-29 11:44:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-29 11:44:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-29 11:44:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-29 11:44:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-29 11:44:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 11:44:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-29 11:44:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-29 11:44:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 11:44:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 11:44:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 11:44:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 11:44:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 11:44:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 11:44:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 11:44:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 11:44:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 11:44:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:44:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 11:44:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 11:44:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:44:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 11:44:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 11:44:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:44:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 11:44:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 11:44:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 11:44:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 11:44:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 11:44:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 11:44:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-29 11:44:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-29 11:44:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-29 11:44:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-29 11:44:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-29 11:44:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-29 11:44:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-29 11:44:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-29 11:44:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 11:44:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 11:44:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 11:44:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:44:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:44:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:44:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:44:44,229 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:44:44,229 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-29 11:44:44,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:44:44 BoogieIcfgContainer [2020-10-29 11:44:44,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:44:44,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:44:44,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:44:44,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:44:44,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:44:41" (1/3) ... [2020-10-29 11:44:44,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f437449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:44:44, skipping insertion in model container [2020-10-29 11:44:44,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:44:42" (2/3) ... [2020-10-29 11:44:44,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f437449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:44:44, skipping insertion in model container [2020-10-29 11:44:44,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:44:44" (3/3) ... [2020-10-29 11:44:44,242 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product41.cil.c [2020-10-29 11:44:44,256 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:44:44,262 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 11:44:44,276 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 11:44:44,307 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:44:44,307 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:44:44,308 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:44:44,308 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:44:44,308 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:44:44,308 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:44:44,308 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:44:44,308 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:44:44,332 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2020-10-29 11:44:44,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-29 11:44:44,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:44:44,343 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] [2020-10-29 11:44:44,344 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]=== [2020-10-29 11:44:44,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:44:44,351 INFO L82 PathProgramCache]: Analyzing trace with hash 471499248, now seen corresponding path program 1 times [2020-10-29 11:44:44,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:44:44,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [27786189] [2020-10-29 11:44:44,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:44:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:44:44,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:44,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:45,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:46,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:47,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:49,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:44:49,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 11:44:49,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:44:49,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 11:44:49,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:44:49,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:44:49,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:44:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:44:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 11:44:49,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 11:44:50,485 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:44:50,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:44:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:44:50,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:50,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:44:50,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:44:50,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:44:50,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-29 11:44:50,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:44:50,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:44:50,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:44:50,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:44:50,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:44:50,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:44:50,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:44:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:44:50,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:50,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:44:50,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:44:50,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:44:50,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:44:50,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:44:50,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:44:50,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:44:50,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:44:50,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:44:50,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:44:50,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:44:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:44:50,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:50,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:44:50,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:44:50,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:44:50,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:44:50,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:44:50,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:44:50,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:44:50,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:44:50,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:44:50,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:44:50,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:44:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:44:50,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:50,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:44:50,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:44:50,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:44:50,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:44:50,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:44:50,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:44:50,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:44:50,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:44:50,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:44:50,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:44:50,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:44:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:44:50,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:50,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:44:50,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:44:50,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:44:50,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:44:50,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:44:50,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:44:50,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:44:50,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:44:50,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:44:50,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:44:50,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:44:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:44:50,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:50,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:44:50,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:44:50,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:44:50,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:44:50,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:44:50,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:44:50,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:44:50,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:44:50,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:44:50,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:44:50,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:44:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:44:50,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:50,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:44:50,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:44:50,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:44:50,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:44:50,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:44:50,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:44:50,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:44:50,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:44:50,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:44:50,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:44:50,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:44:50,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [27786189] [2020-10-29 11:44:50,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:44:50,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 11:44:50,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747985551] [2020-10-29 11:44:50,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 11:44:50,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:44:50,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 11:44:50,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 11:44:50,819 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 4 states. [2020-10-29 11:44:51,581 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:44:53,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:44:53,171 INFO L93 Difference]: Finished difference Result 286 states and 371 transitions. [2020-10-29 11:44:53,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 11:44:53,179 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-29 11:44:53,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:44:53,199 INFO L225 Difference]: With dead ends: 286 [2020-10-29 11:44:53,199 INFO L226 Difference]: Without dead ends: 153 [2020-10-29 11:44:53,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 11:44:53,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-10-29 11:44:53,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 121. [2020-10-29 11:44:53,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-10-29 11:44:53,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 139 transitions. [2020-10-29 11:44:53,319 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 139 transitions. Word has length 47 [2020-10-29 11:44:53,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:44:53,320 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 139 transitions. [2020-10-29 11:44:53,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 11:44:53,320 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2020-10-29 11:44:53,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-29 11:44:53,324 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:44:53,324 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] [2020-10-29 11:44:53,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:44:53,325 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]=== [2020-10-29 11:44:53,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:44:53,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1230716691, now seen corresponding path program 1 times [2020-10-29 11:44:53,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:44:53,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1866335160] [2020-10-29 11:44:53,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:44:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:44:53,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:53,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:53,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:56,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:56,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:58,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:44:58,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-29 11:44:58,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:44:58,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-29 11:44:58,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:44:58,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:44:58,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 11:44:58,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:44:58,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 11:44:58,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:44:58,821 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:44:58,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:44:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:44:58,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:58,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:44:58,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:44:58,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:44:58,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-29 11:44:58,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:44:58,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:44:58,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:44:58,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:44:58,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:44:58,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:44:58,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:44:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:44:58,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:58,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:44:58,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:44:58,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:44:58,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:44:58,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:44:58,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:44:58,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:44:58,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:44:58,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:44:58,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:44:58,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:44:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:44:58,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:58,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:44:58,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:44:58,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:44:58,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:44:58,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:44:58,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:44:58,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:44:58,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:44:58,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:44:58,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:44:58,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:44:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:44:58,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:58,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:44:58,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:44:58,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:44:58,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:44:58,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:44:58,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:44:58,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:44:58,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:44:58,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:44:58,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:44:58,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:44:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:44:58,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:58,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:44:58,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:44:58,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:44:58,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:44:58,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:44:58,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:44:58,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:44:58,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:44:58,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:44:58,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:44:58,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 11:44:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:44:59,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:59,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:44:59,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:44:59,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:44:59,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:44:59,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:44:59,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:44:59,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:44:59,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:44:59,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:44:59,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:44:59,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:44:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:44:59,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:59,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:44:59,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:44:59,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:44:59,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:44:59,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:44:59,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:44:59,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:44:59,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:44:59,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:44:59,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:44:59,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 11:44:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:44:59,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:59,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:44:59,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:44:59,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:44:59,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:44:59,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:44:59,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:44:59,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:44:59,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:44:59,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:44:59,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:44:59,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 11:44:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:44:59,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:44:59,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:44:59,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:44:59,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:44:59,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:44:59,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:44:59,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:44:59,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:44:59,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:44:59,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:44:59,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:44:59,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:44:59,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1866335160] [2020-10-29 11:44:59,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:44:59,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:44:59,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361201025] [2020-10-29 11:44:59,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:44:59,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:44:59,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:44:59,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:44:59,067 INFO L87 Difference]: Start difference. First operand 121 states and 139 transitions. Second operand 8 states. [2020-10-29 11:44:59,618 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:45:00,797 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:45:01,729 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 206 [2020-10-29 11:45:02,233 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:45:02,646 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:45:04,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:45:04,557 INFO L93 Difference]: Finished difference Result 387 states and 516 transitions. [2020-10-29 11:45:04,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 11:45:04,559 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-10-29 11:45:04,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:45:04,565 INFO L225 Difference]: With dead ends: 387 [2020-10-29 11:45:04,565 INFO L226 Difference]: Without dead ends: 290 [2020-10-29 11:45:04,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:45:04,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-10-29 11:45:04,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 219. [2020-10-29 11:45:04,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2020-10-29 11:45:04,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 259 transitions. [2020-10-29 11:45:04,657 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 259 transitions. Word has length 60 [2020-10-29 11:45:04,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:45:04,658 INFO L481 AbstractCegarLoop]: Abstraction has 219 states and 259 transitions. [2020-10-29 11:45:04,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:45:04,658 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 259 transitions. [2020-10-29 11:45:04,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-29 11:45:04,662 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:45:04,662 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] [2020-10-29 11:45:04,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:45:04,663 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]=== [2020-10-29 11:45:04,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:45:04,663 INFO L82 PathProgramCache]: Analyzing trace with hash -40961081, now seen corresponding path program 1 times [2020-10-29 11:45:04,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:45:04,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [808349878] [2020-10-29 11:45:04,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:45:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:04,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:05,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:05,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:07,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:07,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-29 11:45:07,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:45:07,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2663 [2020-10-29 11:45:07,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:07,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:45:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:45:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 11:45:07,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:07,793 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:45:07,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:45:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:07,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:07,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:07,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:07,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:07,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-29 11:45:07,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:07,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:07,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:07,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:07,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:45:07,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:07,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:45:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:07,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:07,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:07,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:07,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:07,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:07,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:07,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:07,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:07,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:07,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:07,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:07,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:45:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:07,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:07,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:07,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:07,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:07,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:07,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:07,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:07,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:07,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:07,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:07,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:07,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:45:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:07,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:07,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:07,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:07,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:07,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:45:07,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:07,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:07,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:07,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:07,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:07,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:07,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:45:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:07,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:07,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:07,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:07,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:07,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:07,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:07,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:07,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:07,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:07,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:07,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:07,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:45:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:07,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:07,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:07,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:07,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:07,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:45:07,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:07,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:07,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:07,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:07,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:07,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:07,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 11:45:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:07,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:07,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:07,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:07,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:45:07,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:45:07,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:45:07,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:07,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:07,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:45:07,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:45:07,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:45:07,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:07,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:45:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:07,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:07,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:07,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:07,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:07,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:07,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:07,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:07,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:07,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:07,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:07,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:07,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 11:45:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:07,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:07,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:07,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:07,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:07,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:07,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:07,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:07,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:07,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:07,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:07,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:07,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 11:45:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:07,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:08,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:08,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:08,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:08,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:45:08,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:08,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:08,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:45:08,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:08,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:08,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:08,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:45:08,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [808349878] [2020-10-29 11:45:08,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:45:08,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 11:45:08,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092587303] [2020-10-29 11:45:08,030 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:45:08,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:45:08,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:45:08,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:45:08,031 INFO L87 Difference]: Start difference. First operand 219 states and 259 transitions. Second operand 9 states. [2020-10-29 11:45:08,580 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:45:10,084 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:45:10,557 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:45:10,978 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:45:11,588 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:45:12,071 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:45:13,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:45:13,792 INFO L93 Difference]: Finished difference Result 606 states and 831 transitions. [2020-10-29 11:45:13,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 11:45:13,793 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-10-29 11:45:13,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:45:13,800 INFO L225 Difference]: With dead ends: 606 [2020-10-29 11:45:13,800 INFO L226 Difference]: Without dead ends: 411 [2020-10-29 11:45:13,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-10-29 11:45:13,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2020-10-29 11:45:13,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 322. [2020-10-29 11:45:13,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2020-10-29 11:45:13,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 401 transitions. [2020-10-29 11:45:13,948 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 401 transitions. Word has length 64 [2020-10-29 11:45:13,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:45:13,949 INFO L481 AbstractCegarLoop]: Abstraction has 322 states and 401 transitions. [2020-10-29 11:45:13,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:45:13,949 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 401 transitions. [2020-10-29 11:45:13,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-29 11:45:13,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:45:13,955 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] [2020-10-29 11:45:13,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 11:45:13,956 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]=== [2020-10-29 11:45:13,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:45:13,957 INFO L82 PathProgramCache]: Analyzing trace with hash 136550391, now seen corresponding path program 1 times [2020-10-29 11:45:13,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:45:13,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1729292452] [2020-10-29 11:45:13,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:45:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:14,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:14,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:14,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:19,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:19,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-29 11:45:19,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:45:19,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 11:45:19,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:19,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:19,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 11:45:19,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:45:19,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-29 11:45:19,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:19,490 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:45:19,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:45:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:19,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:19,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:19,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:19,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:19,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-29 11:45:19,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:19,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:19,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:19,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:19,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:45:19,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:19,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:45:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:19,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:19,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:19,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:19,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:19,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:19,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:19,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:19,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:19,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:19,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:19,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:19,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:45:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:19,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:19,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:19,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:19,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:19,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:19,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:19,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:19,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:19,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:19,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:19,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:19,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:45:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:19,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:19,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:19,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:19,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:19,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:45:19,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:19,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:19,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:19,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:19,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:19,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:19,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:45:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:19,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:19,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:19,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:19,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:19,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:19,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:19,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:19,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:19,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:19,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:19,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:19,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:45:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:19,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:19,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:19,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:19,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:19,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:45:19,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:19,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:19,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:45:19,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:45:19,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:45:19,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:19,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 11:45:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:19,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:19,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:19,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:19,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:45:19,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:45:19,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-29 11:45:19,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:19,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:19,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:19,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:19,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-29 11:45:19,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:19,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:45:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:19,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:19,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:19,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:45:19,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:19,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:45:19,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:19,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:19,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:19,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:19,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:19,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:19,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:45:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:19,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:19,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:19,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:45:19,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:19,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:45:19,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:19,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:19,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:19,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:19,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:19,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:19,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:45:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:19,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:19,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:19,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:45:19,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:19,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:45:19,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:19,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:19,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:19,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:19,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:19,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:19,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:45:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:19,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:19,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:19,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:45:19,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:19,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:45:19,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:19,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:19,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:19,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:19,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:19,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:19,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:45:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:19,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:19,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:19,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:19,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:19,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:19,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:19,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:19,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:19,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:19,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:19,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:19,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:45:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:19,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:19,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:19,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:19,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:19,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:19,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:19,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:19,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:19,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:19,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:19,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:19,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 11:45:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:19,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:19,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:19,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:19,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:19,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:45:19,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:19,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:19,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:45:19,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:19,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:19,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:19,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 11:45:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:19,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:19,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:19,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:19,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:19,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:19,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:19,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:19,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:19,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:45:19,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:19,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:19,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:45:19,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1729292452] [2020-10-29 11:45:19,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:45:19,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-29 11:45:19,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810984847] [2020-10-29 11:45:19,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 11:45:19,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:45:19,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 11:45:19,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-29 11:45:19,922 INFO L87 Difference]: Start difference. First operand 322 states and 401 transitions. Second operand 12 states. [2020-10-29 11:45:20,550 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:45:21,460 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:45:22,879 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 206 [2020-10-29 11:45:23,358 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:45:23,744 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-29 11:45:24,750 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 206 [2020-10-29 11:45:25,293 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:45:25,743 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:45:26,876 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:45:27,397 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-29 11:45:27,932 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:45:28,500 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-29 11:45:29,022 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:45:29,486 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:45:32,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:45:32,257 INFO L93 Difference]: Finished difference Result 959 states and 1571 transitions. [2020-10-29 11:45:32,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-29 11:45:32,258 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 94 [2020-10-29 11:45:32,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:45:32,268 INFO L225 Difference]: With dead ends: 959 [2020-10-29 11:45:32,268 INFO L226 Difference]: Without dead ends: 791 [2020-10-29 11:45:32,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=314, Invalid=1168, Unknown=0, NotChecked=0, Total=1482 [2020-10-29 11:45:32,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2020-10-29 11:45:32,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 600. [2020-10-29 11:45:32,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2020-10-29 11:45:32,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 821 transitions. [2020-10-29 11:45:32,452 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 821 transitions. Word has length 94 [2020-10-29 11:45:32,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:45:32,453 INFO L481 AbstractCegarLoop]: Abstraction has 600 states and 821 transitions. [2020-10-29 11:45:32,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 11:45:32,453 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 821 transitions. [2020-10-29 11:45:32,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 11:45:32,459 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:45:32,460 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] [2020-10-29 11:45:32,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 11:45:32,460 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]=== [2020-10-29 11:45:32,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:45:32,461 INFO L82 PathProgramCache]: Analyzing trace with hash -713840316, now seen corresponding path program 1 times [2020-10-29 11:45:32,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:45:32,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1791070064] [2020-10-29 11:45:32,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:45:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:32,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:32,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:32,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:33,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:33,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-29 11:45:33,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:45:33,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 811 [2020-10-29 11:45:33,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:33,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:33,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:33,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-29 11:45:33,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-29 11:45:33,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:33,657 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:45:33,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:45:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:33,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:33,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:33,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:33,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:33,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 11:45:33,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:33,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:33,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:33,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:33,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:33,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:33,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:45:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:33,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:33,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:33,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:33,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:33,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:45:33,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:33,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:33,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:33,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:33,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:33,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:33,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:45:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:33,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:33,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:33,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:33,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:33,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:45:33,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:33,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:33,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:33,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:33,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:33,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:33,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:45:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:33,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:33,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:33,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:33,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:33,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:33,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:33,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:33,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:33,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:33,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:33,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:33,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:45:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:33,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:33,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:33,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:33,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:33,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:33,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:33,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:33,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:33,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:33,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:33,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:33,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:45:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:33,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:33,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:33,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:33,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 11:45:33,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:45:33,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 11:45:33,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:33,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:33,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:33,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:33,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 11:45:33,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:33,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:45:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:33,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:33,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:33,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:33,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:45:33,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:45:33,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 11:45:33,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:33,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:33,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:45:33,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 11:45:33,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:45:33,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:33,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:45:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:33,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:33,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:33,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:45:33,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:33,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 11:45:33,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:33,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:33,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:45:33,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:33,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:45:33,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:33,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:45:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:33,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:33,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:33,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:45:33,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:33,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:33,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:33,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:33,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:33,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:33,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:33,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:33,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:45:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:33,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:33,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:33,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:45:33,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:33,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:45:33,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:33,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:33,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:33,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-29 11:45:33,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:33,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:33,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:45:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:33,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:33,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:33,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:45:33,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:33,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:33,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:33,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:33,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:33,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:33,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:33,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:33,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:45:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:33,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:33,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:33,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:33,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:33,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:33,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:33,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:33,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:33,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:33,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:33,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:33,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:45:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:33,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:33,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:33,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:33,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:33,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:45:33,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:33,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:33,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:33,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:33,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:33,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:33,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:45:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:33,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:33,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:33,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:45:33,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:33,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:33,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:33,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:33,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:33,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:33,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:33,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:33,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:45:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:33,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:33,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:33,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:33,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:33,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:45:33,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:33,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:33,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:33,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:33,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:33,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:34,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-29 11:45:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:34,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:34,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:34,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:34,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:34,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:34,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:34,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:34,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:34,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:45:34,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:34,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:34,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-29 11:45:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:34,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:34,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:34,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:45:34,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:34,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:34,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:34,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:34,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:34,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 11:45:34,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:34,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:34,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:45:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:34,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:34,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:34,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:34,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:34,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:45:34,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:34,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:34,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:34,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:34,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:34,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:34,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 11:45:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:34,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:34,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:34,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:34,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:34,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:34,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:34,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:34,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:34,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:45:34,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:34,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:34,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-29 11:45:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:34,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:34,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:34,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:34,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:34,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:34,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:34,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:34,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:34,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:45:34,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:34,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:34,061 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-29 11:45:34,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1791070064] [2020-10-29 11:45:34,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:45:34,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 11:45:34,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396448654] [2020-10-29 11:45:34,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 11:45:34,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:45:34,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 11:45:34,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-29 11:45:34,063 INFO L87 Difference]: Start difference. First operand 600 states and 821 transitions. Second operand 11 states. [2020-10-29 11:45:34,842 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:45:35,587 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:45:35,952 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:45:36,330 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:45:36,712 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:45:37,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:45:37,858 INFO L93 Difference]: Finished difference Result 1174 states and 1653 transitions. [2020-10-29 11:45:37,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 11:45:37,859 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 121 [2020-10-29 11:45:37,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:45:37,865 INFO L225 Difference]: With dead ends: 1174 [2020-10-29 11:45:37,865 INFO L226 Difference]: Without dead ends: 598 [2020-10-29 11:45:37,870 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2020-10-29 11:45:37,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2020-10-29 11:45:37,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 548. [2020-10-29 11:45:37,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-10-29 11:45:37,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 679 transitions. [2020-10-29 11:45:37,985 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 679 transitions. Word has length 121 [2020-10-29 11:45:37,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:45:37,986 INFO L481 AbstractCegarLoop]: Abstraction has 548 states and 679 transitions. [2020-10-29 11:45:37,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 11:45:37,986 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 679 transitions. [2020-10-29 11:45:37,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-29 11:45:37,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:45:37,989 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] [2020-10-29 11:45:37,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 11:45:37,989 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]=== [2020-10-29 11:45:37,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:45:37,990 INFO L82 PathProgramCache]: Analyzing trace with hash -2080415422, now seen corresponding path program 1 times [2020-10-29 11:45:37,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:45:37,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2103193351] [2020-10-29 11:45:37,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:45:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:38,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:38,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:38,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-29 11:45:38,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:38,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-10-29 11:45:38,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:38,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:38,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:45:38,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-29 11:45:38,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:38,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:38,662 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:45:38,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:45:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:38,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:38,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:38,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:38,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:38,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 11:45:38,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:38,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:38,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:38,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:38,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:45:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:38,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:38,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:38,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:38,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:38,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:45:38,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:38,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:38,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:38,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:38,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:38,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:38,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:45:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:38,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:38,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:38,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:38,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:38,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:38,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:38,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:38,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:38,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:38,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:38,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:38,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:45:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:38,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:38,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:38,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:38,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:38,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:38,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:38,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:38,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:38,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:38,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:38,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:38,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:45:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:38,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:38,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:38,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:38,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:38,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:45:38,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:38,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:38,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:38,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:38,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:38,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:38,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:45:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:38,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:38,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:38,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 11:45:38,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:38,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 11:45:38,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:38,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:38,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:45:38,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 11:45:38,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:38,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:38,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:45:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:38,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:38,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:38,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:45:38,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:38,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 11:45:38,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:38,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:38,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:45:38,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 11:45:38,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:38,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:38,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:45:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:38,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:38,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:38,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:45:38,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:38,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 11:45:38,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:38,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:38,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:45:38,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 11:45:38,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:38,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:38,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:45:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:38,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:38,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:38,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:45:38,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:38,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:45:38,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:38,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:38,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:45:38,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:38,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:38,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:38,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:45:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:38,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:38,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:38,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:45:38,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:38,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:45:38,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:38,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:38,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:38,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-29 11:45:38,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:38,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:38,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:45:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:38,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:38,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:38,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:45:38,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:38,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:38,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:38,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:38,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:38,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:38,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:38,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:38,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:45:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:38,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:38,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:38,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:38,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:38,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:45:38,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:38,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:38,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:38,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:38,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:38,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:38,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:45:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:38,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:38,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:38,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:38,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:38,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:38,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:38,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:38,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:38,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:38,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:38,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:38,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:45:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:38,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:38,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:38,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:45:38,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:38,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:45:38,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:38,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:38,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:38,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 11:45:38,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:38,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:38,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:45:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:38,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:38,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:38,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:38,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:38,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:45:38,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:38,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:38,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:38,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:38,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:38,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:39,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 11:45:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:39,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:39,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:39,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:39,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:39,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:39,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:39,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:39,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:39,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:45:39,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:39,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:39,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-29 11:45:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:39,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:39,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:39,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:45:39,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:39,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:45:39,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:39,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:39,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:39,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 11:45:39,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:39,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:39,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:45:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:39,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:39,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:39,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:39,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:39,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:45:39,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:39,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:39,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:39,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:39,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:39,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:39,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-29 11:45:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:39,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:39,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:39,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:39,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:39,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:39,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:39,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:39,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:39,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:45:39,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:39,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:39,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-29 11:45:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:39,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:39,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:39,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:39,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:39,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:39,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:39,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:45:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:39,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:39,064 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-29 11:45:39,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2103193351] [2020-10-29 11:45:39,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:45:39,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 11:45:39,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655946069] [2020-10-29 11:45:39,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:45:39,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:45:39,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:45:39,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:45:39,070 INFO L87 Difference]: Start difference. First operand 548 states and 679 transitions. Second operand 9 states. [2020-10-29 11:45:40,026 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:45:40,395 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:45:40,745 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:45:41,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:45:41,798 INFO L93 Difference]: Finished difference Result 971 states and 1257 transitions. [2020-10-29 11:45:41,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 11:45:41,799 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 125 [2020-10-29 11:45:41,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:45:41,803 INFO L225 Difference]: With dead ends: 971 [2020-10-29 11:45:41,803 INFO L226 Difference]: Without dead ends: 447 [2020-10-29 11:45:41,805 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-29 11:45:41,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-10-29 11:45:41,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 423. [2020-10-29 11:45:41,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2020-10-29 11:45:41,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 525 transitions. [2020-10-29 11:45:41,903 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 525 transitions. Word has length 125 [2020-10-29 11:45:41,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:45:41,904 INFO L481 AbstractCegarLoop]: Abstraction has 423 states and 525 transitions. [2020-10-29 11:45:41,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:45:41,904 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 525 transitions. [2020-10-29 11:45:41,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-29 11:45:41,907 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:45:41,908 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, 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] [2020-10-29 11:45:41,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 11:45:41,908 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]=== [2020-10-29 11:45:41,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:45:41,909 INFO L82 PathProgramCache]: Analyzing trace with hash 539613870, now seen corresponding path program 1 times [2020-10-29 11:45:41,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:45:41,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [448997325] [2020-10-29 11:45:41,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:45:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:41,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:42,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:43,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:46,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:46,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-29 11:45:46,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:45:46,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-29 11:45:46,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:46,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:46,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 11:45:46,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:45:46,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 220 [2020-10-29 11:45:46,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:47,443 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:45:47,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:45:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:47,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:47,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:47,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:47,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:47,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-29 11:45:47,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:47,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:47,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:47,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:47,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:45:47,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:47,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:45:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:47,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:47,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:47,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:47,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:47,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:45:47,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:47,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:47,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:47,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:47,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:47,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:47,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:45:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:47,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:47,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:47,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:47,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:47,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:47,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:47,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:47,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:47,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:47,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:47,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:47,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:45:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:47,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:47,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:47,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:47,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:47,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:47,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:47,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:47,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:47,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:47,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:47,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:47,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:45:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:47,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:47,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:47,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:47,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:47,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:47,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:47,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:47,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:47,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:47,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:47,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:47,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:45:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:47,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:47,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:47,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:47,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:47,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:45:47,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:47,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:47,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:45:47,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:45:47,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:45:47,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:45:47,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-29 11:45:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:47,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:47,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:47,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 11:45:47,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:47,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 11:45:47,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:47,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:47,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:45:47,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:45:47,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-29 11:45:47,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:47,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:45:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:47,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:47,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:47,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:45:47,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:47,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 11:45:47,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:47,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:47,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:47,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:47,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-29 11:45:47,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:47,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:45:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:47,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:47,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:47,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:45:47,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:47,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:45:47,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:47,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:47,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:47,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:47,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:47,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:47,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:45:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:47,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:47,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:47,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:45:47,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:47,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:47,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:47,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:47,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:47,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:47,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:47,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:47,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:45:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:47,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:47,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:47,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:45:47,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:47,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:45:47,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:47,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:47,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:47,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:47,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:47,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:47,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:45:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:47,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:47,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:47,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:45:47,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:47,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:47,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:47,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:47,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:47,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:47,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:47,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:47,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:45:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:47,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:47,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:47,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:47,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:47,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:47,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:47,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:47,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:47,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:47,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:47,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:47,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:45:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:47,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:47,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:47,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:47,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:47,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:45:47,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:47,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:47,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:47,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:47,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:47,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:47,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:45:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:47,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:47,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:47,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:45:47,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:47,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:45:47,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:47,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:47,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:47,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:47,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 11:45:47,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:47,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:45:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:47,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:47,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:47,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:47,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:47,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:45:47,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:47,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:47,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:47,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:47,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:47,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:47,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-29 11:45:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:47,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:47,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:47,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:47,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 11:45:47,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:45:47,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-29 11:45:47,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:47,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:47,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 11:45:47,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:47,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-29 11:45:47,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:47,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:45:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:47,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:47,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:47,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:47,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:47,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:45:47,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:47,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:47,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:47,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:47,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:45:47,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 11:45:47,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:45:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:47,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:47,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:47,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:45:47,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:47,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:45:47,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:47,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:47,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:47,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:47,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:45:47,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:47,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:45:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:47,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:47,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:47,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:47,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:47,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:45:47,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:47,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:47,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:47,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:47,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:47,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:47,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-29 11:45:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:47,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:48,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:48,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:45:48,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:48,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 11:45:48,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:48,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:48,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 11:45:48,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:48,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 11:45:48,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:48,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:45:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:48,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:48,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:48,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:48,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:48,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:45:48,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:48,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:48,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:45:48,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:48,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:45:48,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:48,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-29 11:45:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:48,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:48,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:48,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:48,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:48,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:45:48,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:48,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:48,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:45:48,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:45:48,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:45:48,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:48,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-29 11:45:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:48,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:48,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:48,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:48,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:48,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:45:48,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:48,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:48,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:45:48,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:45:48,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:45:48,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:48,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-29 11:45:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:48,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:48,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:48,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:45:48,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:48,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:45:48,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:48,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:48,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:45:48,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:48,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:45:48,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:48,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:45:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:48,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:48,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:48,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:45:48,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:48,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:45:48,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:48,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:48,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:48,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:48,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:48,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:48,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-29 11:45:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:48,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:48,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:48,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:48,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:48,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:45:48,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:48,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:48,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:45:48,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:45:48,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:45:48,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:48,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-29 11:45:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:45:48,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:45:48,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:45:48,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:45:48,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:45:48,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:45:48,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:45:48,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:45:48,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:45:48,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:45:48,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:45:48,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:45:48,287 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-29 11:45:48,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [448997325] [2020-10-29 11:45:48,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:45:48,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-29 11:45:48,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784663677] [2020-10-29 11:45:48,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-29 11:45:48,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:45:48,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-29 11:45:48,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-10-29 11:45:48,289 INFO L87 Difference]: Start difference. First operand 423 states and 525 transitions. Second operand 20 states. [2020-10-29 11:45:48,938 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:45:49,952 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:45:51,247 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:45:52,126 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-29 11:45:52,988 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 207 [2020-10-29 11:45:53,388 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:45:54,190 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-29 11:45:54,984 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 208 [2020-10-29 11:45:56,250 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:45:56,773 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:45:57,267 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:45:57,752 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:45:58,513 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 208 [2020-10-29 11:45:59,352 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 206 [2020-10-29 11:46:00,291 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:46:00,821 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:46:01,742 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-29 11:46:02,560 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 208 [2020-10-29 11:46:03,778 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:46:04,600 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-29 11:46:05,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:46:05,847 INFO L93 Difference]: Finished difference Result 1285 states and 1834 transitions. [2020-10-29 11:46:05,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-29 11:46:05,848 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 168 [2020-10-29 11:46:05,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:46:05,858 INFO L225 Difference]: With dead ends: 1285 [2020-10-29 11:46:05,859 INFO L226 Difference]: Without dead ends: 940 [2020-10-29 11:46:05,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 62 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 847 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=727, Invalid=2579, Unknown=0, NotChecked=0, Total=3306 [2020-10-29 11:46:05,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2020-10-29 11:46:06,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 745. [2020-10-29 11:46:06,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-10-29 11:46:06,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 945 transitions. [2020-10-29 11:46:06,033 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 945 transitions. Word has length 168 [2020-10-29 11:46:06,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:46:06,034 INFO L481 AbstractCegarLoop]: Abstraction has 745 states and 945 transitions. [2020-10-29 11:46:06,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-29 11:46:06,034 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 945 transitions. [2020-10-29 11:46:06,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-29 11:46:06,037 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:46:06,037 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, 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] [2020-10-29 11:46:06,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 11:46:06,038 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]=== [2020-10-29 11:46:06,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:46:06,038 INFO L82 PathProgramCache]: Analyzing trace with hash 990486644, now seen corresponding path program 2 times [2020-10-29 11:46:06,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:46:06,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1007104220] [2020-10-29 11:46:06,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:46:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-29 11:46:06,085 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-29 11:46:06,085 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-29 11:46:06,090 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 11:46:06,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 11:46:06 BoogieIcfgContainer [2020-10-29 11:46:06,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 11:46:06,124 INFO L168 Benchmark]: Toolchain (without parser) took 84575.12 ms. Allocated memory was 151.0 MB in the beginning and 729.8 MB in the end (delta: 578.8 MB). Free memory was 132.7 MB in the beginning and 348.5 MB in the end (delta: -215.8 MB). Peak memory consumption was 363.5 MB. Max. memory is 8.0 GB. [2020-10-29 11:46:06,125 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 151.0 MB. Free memory is still 122.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 11:46:06,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.32 ms. Allocated memory is still 151.0 MB. Free memory was 132.0 MB in the beginning and 126.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 14.8 MB. Max. memory is 8.0 GB. [2020-10-29 11:46:06,126 INFO L168 Benchmark]: Boogie Preprocessor took 132.43 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 122.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-29 11:46:06,127 INFO L168 Benchmark]: RCFGBuilder took 1731.18 ms. Allocated memory was 151.0 MB in the beginning and 195.0 MB in the end (delta: 44.0 MB). Free memory was 122.3 MB in the beginning and 123.4 MB in the end (delta: -1.2 MB). Peak memory consumption was 42.7 MB. Max. memory is 8.0 GB. [2020-10-29 11:46:06,128 INFO L168 Benchmark]: TraceAbstraction took 81888.29 ms. Allocated memory was 195.0 MB in the beginning and 729.8 MB in the end (delta: 534.8 MB). Free memory was 122.9 MB in the beginning and 348.5 MB in the end (delta: -225.6 MB). Peak memory consumption was 310.3 MB. Max. memory is 8.0 GB. [2020-10-29 11:46:06,134 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 ms. Allocated memory is still 151.0 MB. Free memory is still 122.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 808.32 ms. Allocated memory is still 151.0 MB. Free memory was 132.0 MB in the beginning and 126.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 14.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 132.43 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 122.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1731.18 ms. Allocated memory was 151.0 MB in the beginning and 195.0 MB in the end (delta: 44.0 MB). Free memory was 122.3 MB in the beginning and 123.4 MB in the end (delta: -1.2 MB). Peak memory consumption was 42.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 81888.29 ms. Allocated memory was 195.0 MB in the beginning and 729.8 MB in the end (delta: 534.8 MB). Free memory was 122.9 MB in the beginning and 348.5 MB in the end (delta: -225.6 MB). Peak memory consumption was 310.3 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; [L387] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L654] int pumpRunning = 0; [L655] int systemActive = 1; [L824] int cleanupTimeShifts = 4; [L897] int retValue_acc ; [L898] int tmp ; [L902] FCALL select_helpers() [L903] FCALL select_features() [L904] CALL, EXPR valid_product() [L200] int retValue_acc ; [L203] retValue_acc = 1 [L204] return (retValue_acc); [L904] RET, EXPR valid_product() [L904] tmp = valid_product() [L906] COND TRUE \read(tmp) [L908] FCALL setup() [L909] CALL runTest() [L891] CALL test() [L587] int splverifierCounter ; [L588] int tmp ; [L589] int tmp___0 ; [L590] int tmp___1 ; [L591] int tmp___2 ; [L594] splverifierCounter = 0 [L596] COND TRUE 1 [L598] COND TRUE splverifierCounter < 4 [L604] tmp = __VERIFIER_nondet_int() [L606] COND TRUE \read(tmp) [L608] CALL waterRise() [L67] COND TRUE waterLevel < 2 [L68] waterLevel = waterLevel + 1 [L608] RET waterRise() [L614] tmp___0 = __VERIFIER_nondet_int() [L616] COND FALSE !(\read(tmp___0)) [L624] tmp___2 = __VERIFIER_nondet_int() [L626] COND TRUE \read(tmp___2) [L639] CALL timeShift() [L661] COND FALSE !(\read(pumpRunning)) [L668] COND TRUE \read(systemActive) [L670] CALL processEnvironment() [L690] int tmp ; [L693] COND TRUE ! pumpRunning [L695] CALL, EXPR isHighWaterLevel() [L805] int retValue_acc ; [L806] int tmp ; [L807] int tmp___0 ; [L811] CALL, EXPR isHighWaterSensorDry() [L129] int retValue_acc ; [L132] COND FALSE !(waterLevel < 2) [L136] retValue_acc = 0 [L137] return (retValue_acc); [L811] RET, EXPR isHighWaterSensorDry() [L811] tmp = isHighWaterSensorDry() [L813] COND FALSE !(\read(tmp)) [L816] tmp___0 = 1 [L818] retValue_acc = tmp___0 [L819] return (retValue_acc); [L695] RET, EXPR isHighWaterLevel() [L695] tmp = isHighWaterLevel() [L697] COND TRUE \read(tmp) [L699] CALL activatePump() [L724] int tmp ; [L728] CALL, EXPR isMethaneAlarm() [L749] int retValue_acc ; [L753] CALL, EXPR isMethaneLevelCritical() [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L753] RET, EXPR isMethaneLevelCritical() [L753] retValue_acc = isMethaneLevelCritical() [L755] return (retValue_acc); [L728] RET, EXPR isMethaneAlarm() [L728] tmp = isMethaneAlarm() [L730] COND FALSE !(\read(tmp)) [L734] CALL activatePump__wrappee__highWaterSensor() [L718] pumpRunning = 1 [L734] RET activatePump__wrappee__highWaterSensor() [L699] RET activatePump() [L670] RET processEnvironment() [L676] CALL __utac_acc__Specification4_spec__1() [L146] int tmp ; [L147] int tmp___0 ; [L151] CALL, EXPR getWaterLevel() [L120] int retValue_acc ; [L123] retValue_acc = waterLevel [L124] return (retValue_acc); [L151] RET, EXPR getWaterLevel() [L151] tmp = getWaterLevel() [L153] COND FALSE !(tmp == 0) [L676] RET __utac_acc__Specification4_spec__1() [L639] RET timeShift() [L596] COND TRUE 1 [L598] COND TRUE splverifierCounter < 4 [L604] tmp = __VERIFIER_nondet_int() [L606] COND FALSE !(\read(tmp)) [L614] tmp___0 = __VERIFIER_nondet_int() [L616] COND FALSE !(\read(tmp___0)) [L624] tmp___2 = __VERIFIER_nondet_int() [L626] COND TRUE \read(tmp___2) [L639] CALL timeShift() [L661] COND TRUE \read(pumpRunning) [L663] CALL lowerWaterLevel() [L55] COND TRUE waterLevel > 0 [L56] waterLevel = waterLevel - 1 [L663] RET lowerWaterLevel() [L668] COND TRUE \read(systemActive) [L670] CALL processEnvironment() [L690] int tmp ; [L693] COND FALSE !(! pumpRunning) [L708] FCALL processEnvironment__wrappee__base() [L670] RET processEnvironment() [L676] CALL __utac_acc__Specification4_spec__1() [L146] int tmp ; [L147] int tmp___0 ; [L151] CALL, EXPR getWaterLevel() [L120] int retValue_acc ; [L123] retValue_acc = waterLevel [L124] return (retValue_acc); [L151] RET, EXPR getWaterLevel() [L151] tmp = getWaterLevel() [L153] COND FALSE !(tmp == 0) [L676] RET __utac_acc__Specification4_spec__1() [L639] RET timeShift() [L596] COND TRUE 1 [L598] COND TRUE splverifierCounter < 4 [L604] tmp = __VERIFIER_nondet_int() [L606] COND FALSE !(\read(tmp)) [L614] tmp___0 = __VERIFIER_nondet_int() [L616] COND FALSE !(\read(tmp___0)) [L624] tmp___2 = __VERIFIER_nondet_int() [L626] COND TRUE \read(tmp___2) [L639] CALL timeShift() [L661] COND TRUE \read(pumpRunning) [L663] CALL lowerWaterLevel() [L55] COND TRUE waterLevel > 0 [L56] waterLevel = waterLevel - 1 [L663] RET lowerWaterLevel() [L668] COND TRUE \read(systemActive) [L670] CALL processEnvironment() [L690] int tmp ; [L693] COND FALSE !(! pumpRunning) [L708] FCALL processEnvironment__wrappee__base() [L670] RET processEnvironment() [L676] CALL __utac_acc__Specification4_spec__1() [L146] int tmp ; [L147] int tmp___0 ; [L151] CALL, EXPR getWaterLevel() [L120] int retValue_acc ; [L123] retValue_acc = waterLevel [L124] return (retValue_acc); [L151] RET, EXPR getWaterLevel() [L151] tmp = getWaterLevel() [L153] COND TRUE tmp == 0 [L155] CALL, EXPR isPumpRunning() [L760] int retValue_acc ; [L763] retValue_acc = pumpRunning [L764] return (retValue_acc); [L155] RET, EXPR isPumpRunning() [L155] tmp___0 = isPumpRunning() [L157] COND TRUE \read(tmp___0) [L159] CALL __automaton_fail() [L213] CALL reach_error() [L3] __assert_fail("0", "minepump_spec4_product41.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 234 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 81.7s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 50.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 865 SDtfs, 3068 SDslu, 1572 SDs, 0 SdLazy, 7749 SolverSat, 2219 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 396 GetRequests, 240 SyntacticMatches, 3 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1352 ImplicationChecksByTransitivity, 30.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=745occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 7 MinimizatonAttempts, 652 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 29.8s InterpolantComputationTime, 843 NumberOfCodeBlocks, 843 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 672 ConstructedInterpolants, 0 QuantifiedInterpolants, 287312 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 85/128 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...