/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:41:53,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:41:53,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:41:53,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:41:53,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:41:53,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:41:53,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:41:53,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:41:53,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:41:53,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:41:53,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:41:53,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:41:53,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:41:53,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:41:53,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:41:53,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:41:53,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:41:53,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:41:53,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:41:53,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:41:53,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:41:53,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:41:53,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:41:53,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:41:53,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:41:53,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:41:53,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:41:53,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:41:53,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:41:53,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:41:53,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:41:53,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:41:53,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:41:53,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:41:53,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:41:53,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:41:53,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:41:53,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:41:53,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:41:53,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:41:53,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:41:53,465 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 03:41:53,514 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:41:53,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:41:53,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:41:53,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:41:53,519 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:41:53,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:41:53,520 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:41:53,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:41:53,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:41:53,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:41:53,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:41:53,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:41:53,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:41:53,522 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:41:53,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:41:53,523 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:41:53,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:41:53,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:41:53,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:41:53,524 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:41:53,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:41:53,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:41:53,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:41:53,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:41:53,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:41:53,525 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:41:53,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:41:53,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:41:53,526 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:41:53,526 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:41:53,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:41:53,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:41:53,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:41:53,999 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:41:54,000 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:41:54,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product41.cil.c [2020-10-27 03:41:54,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/730d60d88/e0e3364f93434c8a8dd3da2f8b3c6e7a/FLAGab99e4d4e [2020-10-27 03:41:54,782 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:41:54,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product41.cil.c [2020-10-27 03:41:54,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/730d60d88/e0e3364f93434c8a8dd3da2f8b3c6e7a/FLAGab99e4d4e [2020-10-27 03:41:55,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/730d60d88/e0e3364f93434c8a8dd3da2f8b3c6e7a [2020-10-27 03:41:55,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:41:55,070 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:41:55,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:41:55,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:41:55,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:41:55,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:41:55" (1/1) ... [2020-10-27 03:41:55,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d36efc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:55, skipping insertion in model container [2020-10-27 03:41:55,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:41:55" (1/1) ... [2020-10-27 03:41:55,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:41:55,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:41:55,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:41:55,582 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:41:55,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:41:55,713 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:41:55,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:55 WrapperNode [2020-10-27 03:41:55,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:41:55,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:41:55,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:41:55,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:41:55,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:55" (1/1) ... [2020-10-27 03:41:55,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:55" (1/1) ... [2020-10-27 03:41:55,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:55" (1/1) ... [2020-10-27 03:41:55,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:55" (1/1) ... [2020-10-27 03:41:55,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:55" (1/1) ... [2020-10-27 03:41:55,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:55" (1/1) ... [2020-10-27 03:41:55,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:55" (1/1) ... [2020-10-27 03:41:55,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:41:55,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:41:55,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:41:55,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:41:55,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:55" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:41:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:41:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:41:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 03:41:55,971 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:41:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 03:41:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 03:41:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 03:41:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 03:41:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 03:41:55,973 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 03:41:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 03:41:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-27 03:41:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 03:41:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 03:41:55,975 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 03:41:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 03:41:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 03:41:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 03:41:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 03:41:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 03:41:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 03:41:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 03:41:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 03:41:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 03:41:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 03:41:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 03:41:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 03:41:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-27 03:41:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 03:41:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 03:41:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 03:41:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 03:41:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 03:41:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 03:41:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 03:41:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 03:41:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 03:41:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 03:41:55,979 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:41:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:41:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:41:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:41:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:41:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:41:55,980 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 03:41:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 03:41:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 03:41:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 03:41:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 03:41:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 03:41:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 03:41:55,981 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 03:41:55,982 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 03:41:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 03:41:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-27 03:41:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 03:41:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 03:41:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 03:41:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 03:41:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 03:41:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 03:41:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 03:41:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 03:41:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 03:41:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:41:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 03:41:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 03:41:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:41:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 03:41:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 03:41:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:41:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 03:41:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 03:41:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 03:41:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 03:41:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 03:41:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 03:41:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 03:41:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 03:41:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 03:41:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 03:41:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 03:41:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 03:41:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-27 03:41:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 03:41:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 03:41:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 03:41:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 03:41:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:41:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:41:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:41:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:41:57,319 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:41:57,319 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 03:41:57,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:41:57 BoogieIcfgContainer [2020-10-27 03:41:57,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:41:57,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:41:57,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:41:57,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:41:57,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:41:55" (1/3) ... [2020-10-27 03:41:57,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb19466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:41:57, skipping insertion in model container [2020-10-27 03:41:57,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:41:55" (2/3) ... [2020-10-27 03:41:57,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb19466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:41:57, skipping insertion in model container [2020-10-27 03:41:57,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:41:57" (3/3) ... [2020-10-27 03:41:57,331 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product41.cil.c [2020-10-27 03:41:57,343 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:41:57,349 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 03:41:57,363 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 03:41:57,391 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:41:57,391 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:41:57,392 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:41:57,392 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:41:57,392 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:41:57,392 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:41:57,392 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:41:57,392 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:41:57,414 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2020-10-27 03:41:57,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 03:41:57,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:41:57,424 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:41:57,425 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:41:57,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:41:57,431 INFO L82 PathProgramCache]: Analyzing trace with hash 471499248, now seen corresponding path program 1 times [2020-10-27 03:41:57,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:41:57,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [559817373] [2020-10-27 03:41:57,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:41:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:41:57,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:57,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:58,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:59,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:41:59,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:02,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:02,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 03:42:02,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:42:02,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 03:42:02,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:02,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 03:42:02,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:02,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 03:42:02,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 03:42:03,246 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:03,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:42:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:03,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:03,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:03,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:03,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:03,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-27 03:42:03,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:03,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:03,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:03,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:42:03,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:03,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:42:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:03,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:03,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:03,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:03,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:03,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:03,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:03,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:03,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:03,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:03,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:03,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:42:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:03,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:03,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:03,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:03,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:03,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:03,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:03,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:03,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:03,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:03,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:03,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:03,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:03,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:03,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:03,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:03,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:03,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:03,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:03,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:03,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:03,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:03,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:42:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:03,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:03,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:03,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:03,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:03,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:42:03,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:03,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:03,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:03,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:03,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:03,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 03:42:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:03,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:03,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:03,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:03,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:03,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:03,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:03,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:03,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:03,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:03,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:03,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 03:42:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:03,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:03,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:03,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:03,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:03,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:42:03,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:03,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:03,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:03,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:03,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:03,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:42:03,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [559817373] [2020-10-27 03:42:03,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:42:03,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 03:42:03,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336842106] [2020-10-27 03:42:03,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 03:42:03,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:42:03,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 03:42:03,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:42:03,511 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 7 states. [2020-10-27 03:42:04,152 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:05,307 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:05,857 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:06,303 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:07,245 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:07,661 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:42:08,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:42:08,820 INFO L93 Difference]: Finished difference Result 368 states and 503 transitions. [2020-10-27 03:42:08,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 03:42:08,824 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2020-10-27 03:42:08,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:42:08,839 INFO L225 Difference]: With dead ends: 368 [2020-10-27 03:42:08,839 INFO L226 Difference]: Without dead ends: 222 [2020-10-27 03:42:08,844 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-27 03:42:08,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2020-10-27 03:42:08,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 189. [2020-10-27 03:42:08,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-10-27 03:42:08,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 236 transitions. [2020-10-27 03:42:08,972 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 236 transitions. Word has length 47 [2020-10-27 03:42:08,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:42:08,972 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 236 transitions. [2020-10-27 03:42:08,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 03:42:08,972 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 236 transitions. [2020-10-27 03:42:08,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-27 03:42:08,978 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:42:08,978 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:42:08,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:42:08,979 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:42:08,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:42:08,980 INFO L82 PathProgramCache]: Analyzing trace with hash -43971060, now seen corresponding path program 1 times [2020-10-27 03:42:08,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:42:08,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [123739100] [2020-10-27 03:42:08,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:42:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:09,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:09,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:09,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:09,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:09,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:09,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-27 03:42:14,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:42:14,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 03:42:14,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 03:42:14,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:14,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-27 03:42:14,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,443 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:14,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:42:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:14,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-27 03:42:14,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:14,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:42:14,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:42:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:14,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:14,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:14,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:14,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:42:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:14,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:14,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:14,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:14,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:14,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:14,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:14,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:42:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:14,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:14,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:14,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:14,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:42:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:42:14,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:42:14,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:14,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:42:14,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 03:42:14,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:42:14,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:14,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:14,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:42:14,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:14,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:14,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:14,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:14,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 03:42:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:42:14,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:42:14,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 03:42:14,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:14,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 03:42:14,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:42:14,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:14,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:14,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:14,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:42:14,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:14,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:14,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:14,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:42:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:42:14,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:14,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:14,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:14,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:42:14,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:14,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:14,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:14,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:14,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:14,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:14,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:14,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:14,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:14,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:14,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:14,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 03:42:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:14,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:14,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:14,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:14,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:14,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 03:42:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:14,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:14,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:14,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:14,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:14,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:14,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:14,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:14,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:14,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:14,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:14,807 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 03:42:14,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [123739100] [2020-10-27 03:42:14,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:42:14,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 03:42:14,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135370812] [2020-10-27 03:42:14,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 03:42:14,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:42:14,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 03:42:14,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-27 03:42:14,811 INFO L87 Difference]: Start difference. First operand 189 states and 236 transitions. Second operand 10 states. [2020-10-27 03:42:15,367 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:16,377 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:16,896 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:17,333 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:17,862 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:19,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:42:19,803 INFO L93 Difference]: Finished difference Result 566 states and 797 transitions. [2020-10-27 03:42:19,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 03:42:19,804 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2020-10-27 03:42:19,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:42:19,810 INFO L225 Difference]: With dead ends: 566 [2020-10-27 03:42:19,811 INFO L226 Difference]: Without dead ends: 401 [2020-10-27 03:42:19,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2020-10-27 03:42:19,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-10-27 03:42:19,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 320. [2020-10-27 03:42:19,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-10-27 03:42:19,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 406 transitions. [2020-10-27 03:42:19,954 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 406 transitions. Word has length 105 [2020-10-27 03:42:19,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:42:19,955 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 406 transitions. [2020-10-27 03:42:19,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 03:42:19,955 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 406 transitions. [2020-10-27 03:42:19,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-27 03:42:19,959 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:42:19,963 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] [2020-10-27 03:42:19,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:42:19,963 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:42:19,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:42:19,964 INFO L82 PathProgramCache]: Analyzing trace with hash 136550391, now seen corresponding path program 1 times [2020-10-27 03:42:19,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:42:19,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2083346712] [2020-10-27 03:42:19,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:42:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:20,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:20,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:20,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:25,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:25,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 03:42:25,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:42:25,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 03:42:25,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:25,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:42:25,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:25,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 03:42:25,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:25,500 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:25,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:42:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:25,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:25,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:25,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:25,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:25,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-27 03:42:25,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:25,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:25,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:25,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:42:25,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:25,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:42:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:25,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:25,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:25,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:25,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:25,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:25,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:25,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:25,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:25,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:25,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:25,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:42:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:25,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:25,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:25,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:25,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:25,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:25,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:25,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:25,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:25,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:25,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:25,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:25,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:25,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:25,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:25,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:25,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:25,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:25,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:25,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:25,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:25,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:25,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:42:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:25,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:25,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:25,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:25,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:25,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:25,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:25,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:25,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:25,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:25,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:25,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:42:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:25,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:25,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:25,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:25,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:25,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:42:25,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:25,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:42:25,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:42:25,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:42:25,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:25,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 03:42:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:25,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:25,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:25,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:25,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:42:25,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:42:25,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 03:42:25,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:25,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:25,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 03:42:25,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 03:42:25,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:25,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:25,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:25,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:25,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:42:25,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:25,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:42:25,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:25,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:25,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:25,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:42:25,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:25,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:25,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:25,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:25,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:42:25,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:25,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:25,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:25,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:25,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:25,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 03:42:25,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:25,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:42:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:25,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:25,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:25,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:42:25,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:25,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:42:25,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:25,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:25,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:25,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:42:25,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:25,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:25,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:25,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:25,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:42:25,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:25,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:25,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:25,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:25,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:25,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:25,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:25,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:25,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:25,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:25,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:25,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:25,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:25,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:25,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:25,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:25,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:25,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:42:25,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:25,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:25,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:25,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:25,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:25,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:25,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:25,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:25,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:25,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:25,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:25,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 03:42:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:25,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:25,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:25,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:25,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:25,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:25,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:25,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:25,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:25,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:25,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:25,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 03:42:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:25,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:25,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:25,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:25,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:25,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:25,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:25,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:25,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:25,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:25,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:25,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:42:25,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2083346712] [2020-10-27 03:42:25,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:42:25,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 03:42:25,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34968742] [2020-10-27 03:42:25,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 03:42:25,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:42:25,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 03:42:25,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:42:25,871 INFO L87 Difference]: Start difference. First operand 320 states and 406 transitions. Second operand 9 states. [2020-10-27 03:42:26,388 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:27,195 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:29,105 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:30,699 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2020-10-27 03:42:34,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:42:34,853 INFO L93 Difference]: Finished difference Result 1043 states and 1618 transitions. [2020-10-27 03:42:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 03:42:34,861 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2020-10-27 03:42:34,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:42:34,871 INFO L225 Difference]: With dead ends: 1043 [2020-10-27 03:42:34,871 INFO L226 Difference]: Without dead ends: 871 [2020-10-27 03:42:34,874 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=153, Invalid=497, Unknown=0, NotChecked=0, Total=650 [2020-10-27 03:42:34,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2020-10-27 03:42:35,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 714. [2020-10-27 03:42:35,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 714 states. [2020-10-27 03:42:35,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 977 transitions. [2020-10-27 03:42:35,153 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 977 transitions. Word has length 94 [2020-10-27 03:42:35,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:42:35,155 INFO L481 AbstractCegarLoop]: Abstraction has 714 states and 977 transitions. [2020-10-27 03:42:35,155 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 03:42:35,155 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 977 transitions. [2020-10-27 03:42:35,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-27 03:42:35,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:42:35,160 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 03:42:35,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:42:35,161 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:42:35,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:42:35,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1593534242, now seen corresponding path program 1 times [2020-10-27 03:42:35,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:42:35,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [519312187] [2020-10-27 03:42:35,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:42:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:35,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:35,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:35,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:35,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:35,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:38,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:40,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-27 03:42:40,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:42:40,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 03:42:40,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:40,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:40,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:40,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-27 03:42:40,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:40,586 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:40,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:42:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:40,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:40,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:40,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:40,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-27 03:42:40,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:40,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:40,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:40,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:42:40,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:40,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:42:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:40,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:40,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:40,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:40,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:40,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:40,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:40,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:40,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:40,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:40,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:42:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:40,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:40,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:40,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:40,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:40,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:40,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:40,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:40,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:40,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:40,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:40,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:40,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:40,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:40,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:40,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:40,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:40,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:40,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:40,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:40,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:42:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:40,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:40,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:40,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:40,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:40,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:40,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:40,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:40,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:40,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:40,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:42:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:40,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:40,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:40,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:40,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:40,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:40,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:40,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:40,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:40,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:40,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 03:42:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:40,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:40,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:42:40,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:40,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:42:40,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:40,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:40,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 03:42:40,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 03:42:40,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:40,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:40,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:40,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:42:40,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:40,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:40,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:40,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:40,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:40,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:42:40,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:40,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:40,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:40,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:40,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:40,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:40,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:40,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:40,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:40,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:40,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:40,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 03:42:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:40,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:40,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:42:40,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:42:40,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-27 03:42:40,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:40,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:40,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 03:42:40,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:40,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:40,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:40,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:40,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:42:40,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:40,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:42:40,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:40,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:40,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 03:42:40,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:40,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:40,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:40,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:40,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:42:40,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:40,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:40,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:40,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:42:40,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:40,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:40,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:40,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:42:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:40,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:40,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:42:40,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:40,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:42:40,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:40,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:40,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 03:42:40,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:40,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:40,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:40,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:40,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:42:40,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:40,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:40,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:40,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:40,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:40,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:40,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:40,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:40,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:40,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:40,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:40,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:42:40,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:40,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:40,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:40,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:40,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:40,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:40,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:40,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:40,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:40,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:40,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:40,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:40,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:40,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:40,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:40,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 03:42:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:40,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:40,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:40,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:40,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:40,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:40,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:40,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:40,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:40,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:40,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 03:42:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:40,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:40,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:40,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:40,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:40,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:40,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:40,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:40,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:40,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:40,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:41,008 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 03:42:41,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [519312187] [2020-10-27 03:42:41,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:42:41,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 03:42:41,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347493987] [2020-10-27 03:42:41,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 03:42:41,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:42:41,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 03:42:41,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:42:41,011 INFO L87 Difference]: Start difference. First operand 714 states and 977 transitions. Second operand 11 states. [2020-10-27 03:42:41,584 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:42,646 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:42:43,130 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:42:43,565 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:42:45,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:42:45,181 INFO L93 Difference]: Finished difference Result 1473 states and 2161 transitions. [2020-10-27 03:42:45,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 03:42:45,182 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 113 [2020-10-27 03:42:45,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:42:45,190 INFO L225 Difference]: With dead ends: 1473 [2020-10-27 03:42:45,190 INFO L226 Difference]: Without dead ends: 783 [2020-10-27 03:42:45,195 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-10-27 03:42:45,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-10-27 03:42:45,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 676. [2020-10-27 03:42:45,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2020-10-27 03:42:45,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 905 transitions. [2020-10-27 03:42:45,363 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 905 transitions. Word has length 113 [2020-10-27 03:42:45,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:42:45,363 INFO L481 AbstractCegarLoop]: Abstraction has 676 states and 905 transitions. [2020-10-27 03:42:45,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 03:42:45,363 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 905 transitions. [2020-10-27 03:42:45,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-27 03:42:45,365 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:42:45,366 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] [2020-10-27 03:42:45,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 03:42:45,366 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:42:45,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:42:45,367 INFO L82 PathProgramCache]: Analyzing trace with hash -943256428, now seen corresponding path program 1 times [2020-10-27 03:42:45,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:42:45,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1584764338] [2020-10-27 03:42:45,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:42:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:45,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:45,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:46,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:46,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 03:42:46,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:42:46,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1361 [2020-10-27 03:42:46,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:46,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 03:42:46,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:46,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-27 03:42:46,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,287 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:47,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:42:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:47,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 03:42:47,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:47,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:42:47,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:42:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:47,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:47,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:47,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:47,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:42:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:47,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:47,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:47,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:47,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:47,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:47,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:47,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:47,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:42:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:47,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:47,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:47,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:42:47,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:42:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:47,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:42:47,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:42:47,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:42:47,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:42:47,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 03:42:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:42:47,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:42:47,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 03:42:47,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:47,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 03:42:47,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:42:47,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:47,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:47,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:42:47,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:42:47,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:47,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:47,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 03:42:47,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:42:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:42:47,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:42:47,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:42:47,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:42:47,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:42:47,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:47,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:47,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:47,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:47,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:47,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:47,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:47,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:47,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:47,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:47,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:47,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 03:42:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:47,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:42:47,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:47,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:47,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:42:47,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 03:42:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:47,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:47,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:47,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:47,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:47,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:47,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:47,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:47,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:47,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:47,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:47,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 03:42:47,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1584764338] [2020-10-27 03:42:47,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:42:47,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 03:42:47,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899151216] [2020-10-27 03:42:47,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 03:42:47,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:42:47,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 03:42:47,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:42:47,622 INFO L87 Difference]: Start difference. First operand 676 states and 905 transitions. Second operand 11 states. [2020-10-27 03:42:48,224 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:49,070 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:49,984 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:50,700 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:51,173 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:51,575 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:42:52,678 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:42:53,763 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 205 [2020-10-27 03:42:54,848 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-27 03:42:57,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:42:57,573 INFO L93 Difference]: Finished difference Result 1322 states and 1917 transitions. [2020-10-27 03:42:57,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 03:42:57,574 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 94 [2020-10-27 03:42:57,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:42:57,583 INFO L225 Difference]: With dead ends: 1322 [2020-10-27 03:42:57,583 INFO L226 Difference]: Without dead ends: 798 [2020-10-27 03:42:57,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 36 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2020-10-27 03:42:57,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2020-10-27 03:42:57,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 664. [2020-10-27 03:42:57,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 664 states. [2020-10-27 03:42:57,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 890 transitions. [2020-10-27 03:42:57,754 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 890 transitions. Word has length 94 [2020-10-27 03:42:57,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:42:57,757 INFO L481 AbstractCegarLoop]: Abstraction has 664 states and 890 transitions. [2020-10-27 03:42:57,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 03:42:57,757 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 890 transitions. [2020-10-27 03:42:57,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-27 03:42:57,759 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:42:57,760 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] [2020-10-27 03:42:57,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 03:42:57,760 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:42:57,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:42:57,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1974312128, now seen corresponding path program 1 times [2020-10-27 03:42:57,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:42:57,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2050050414] [2020-10-27 03:42:57,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:42:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:57,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:58,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:58,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 03:42:58,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:58,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 338 [2020-10-27 03:42:58,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:58,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:42:58,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-27 03:42:58,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:42:58,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:58,535 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:42:58,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:42:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:58,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:58,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:58,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:58,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:58,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 03:42:58,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:58,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:58,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:58,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:58,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:58,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:42:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:58,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:58,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:58,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:58,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:58,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:58,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:58,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:58,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:58,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:58,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:58,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:42:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:58,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:58,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:58,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:58,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:58,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:58,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:58,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:58,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:58,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:58,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:58,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:58,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:58,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:58,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:58,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:58,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:42:58,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:58,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:58,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:58,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:58,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:58,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:42:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:58,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:58,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:58,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:58,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:58,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:42:58,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:58,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:58,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:58,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:58,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:58,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 03:42:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:58,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:58,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:58,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 03:42:58,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:58,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 03:42:58,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:58,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:42:58,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 03:42:58,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:42:58,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:58,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:58,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:58,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:58,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:42:58,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:58,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 03:42:58,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:42:58,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 03:42:58,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:42:58,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:58,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:58,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:58,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:58,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:42:58,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:58,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 03:42:58,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:58,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:42:58,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:58,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:42:58,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:58,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:58,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:58,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:58,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:42:58,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:58,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:58,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:58,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:58,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:58,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:58,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:58,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:42:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:58,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:58,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:58,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:42:58,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:58,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:42:58,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:58,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:58,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 03:42:58,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:58,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:58,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:58,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:58,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:58,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:42:58,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:58,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:58,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:58,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:58,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:58,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:58,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:58,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:58,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:58,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:58,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:58,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:58,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:58,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:58,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:58,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:58,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:58,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:58,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:42:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:58,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:58,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:58,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:58,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:58,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:42:58,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:58,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:58,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:58,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:58,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:58,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:42:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:58,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:58,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:58,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:42:58,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:58,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:42:58,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:58,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:58,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:42:58,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:58,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:58,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:42:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:58,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:58,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:58,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:58,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:58,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:42:58,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:58,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:58,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:58,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:58,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:58,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 03:42:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:58,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:58,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:58,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:58,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:58,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:58,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:58,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:58,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:58,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:58,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:58,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 03:42:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:58,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:58,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:58,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:42:58,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:58,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:58,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:58,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:58,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 03:42:58,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:58,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:58,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:42:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:58,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:58,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:58,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:42:58,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:58,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:42:58,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:58,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:58,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:42:58,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:58,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:58,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 03:42:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:58,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:58,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:58,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:58,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:58,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:58,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:58,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:58,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:58,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:58,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:58,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 03:42:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:42:58,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:42:58,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:42:58,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:42:58,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:42:58,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:42:58,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:42:58,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:42:58,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:42:58,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:42:58,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:42:58,941 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 03:42:58,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2050050414] [2020-10-27 03:42:58,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:42:58,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 03:42:58,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465242701] [2020-10-27 03:42:58,943 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 03:42:58,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:42:58,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 03:42:58,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-27 03:42:58,944 INFO L87 Difference]: Start difference. First operand 664 states and 890 transitions. Second operand 10 states. [2020-10-27 03:43:00,161 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:00,591 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:43:01,007 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:01,422 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:02,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:43:02,927 INFO L93 Difference]: Finished difference Result 1425 states and 2084 transitions. [2020-10-27 03:43:02,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 03:43:02,927 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 125 [2020-10-27 03:43:02,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:43:02,935 INFO L225 Difference]: With dead ends: 1425 [2020-10-27 03:43:02,935 INFO L226 Difference]: Without dead ends: 785 [2020-10-27 03:43:02,945 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-27 03:43:02,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2020-10-27 03:43:03,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 679. [2020-10-27 03:43:03,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2020-10-27 03:43:03,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 906 transitions. [2020-10-27 03:43:03,102 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 906 transitions. Word has length 125 [2020-10-27 03:43:03,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:43:03,103 INFO L481 AbstractCegarLoop]: Abstraction has 679 states and 906 transitions. [2020-10-27 03:43:03,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 03:43:03,103 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 906 transitions. [2020-10-27 03:43:03,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-27 03:43:03,111 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:43:03,111 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] [2020-10-27 03:43:03,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 03:43:03,112 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:43:03,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:43:03,112 INFO L82 PathProgramCache]: Analyzing trace with hash -2080415422, now seen corresponding path program 1 times [2020-10-27 03:43:03,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:43:03,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1965817921] [2020-10-27 03:43:03,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:43:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:03,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:03,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:03,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 03:43:03,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:03,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-27 03:43:03,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:03,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:03,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 03:43:03,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:03,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:03,781 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:43:03,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:43:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:03,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:03,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:03,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:03,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:03,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 03:43:03,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:03,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:03,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:03,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:03,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:03,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:43:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:03,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:03,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:03,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:03,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:03,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:03,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:03,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:03,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:03,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:03,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:03,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:43:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:03,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:03,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:03,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:03,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:03,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:03,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:03,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:03,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:03,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:03,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:03,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:03,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:03,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:03,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:03,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:03,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:03,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:03,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:03,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:03,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:03,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:03,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:43:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:03,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:03,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:03,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:03,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:03,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:03,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:03,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:03,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:03,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:03,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:03,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 03:43:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:03,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:03,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:03,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 03:43:03,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:03,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 03:43:03,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:03,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:03,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 03:43:03,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:03,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:03,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:03,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:03,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:03,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:43:03,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:03,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 03:43:03,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:03,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:03,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 03:43:03,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:03,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:03,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:03,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:03,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:03,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:43:03,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:03,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:43:03,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:03,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:03,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 03:43:03,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:03,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:03,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:03,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:03,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:03,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:43:03,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:03,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:03,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:03,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:43:03,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:03,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:03,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:03,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:43:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:03,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:03,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:03,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:43:03,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:03,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:43:03,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:03,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:03,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 03:43:03,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:03,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:03,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:04,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:04,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:04,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:43:04,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:04,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:04,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:04,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:04,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:04,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:04,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:04,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:04,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:04,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:04,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:04,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:04,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:04,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:04,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:04,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:04,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:04,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:04,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:04,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:04,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:04,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:04,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:04,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:04,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:04,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:04,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:04,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:04,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:04,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:43:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:04,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:04,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:04,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:43:04,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:04,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:04,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:04,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:04,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 03:43:04,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:04,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:04,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:04,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:04,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:04,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:04,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:04,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:04,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:04,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:04,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:04,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:04,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:04,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 03:43:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:04,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:04,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:04,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:04,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:04,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:04,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:04,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:04,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:04,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:04,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:04,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 03:43:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:04,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:04,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:04,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:43:04,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:04,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:04,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:04,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:04,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 03:43:04,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:04,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:04,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:04,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:04,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:04,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:04,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:04,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:04,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:04,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:04,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:04,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:04,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 23 [2020-10-27 03:43:04,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 03:43:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:04,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:04,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:04,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:04,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:04,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:04,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:04,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:04,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:04,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:04,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:04,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 03:43:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:04,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:04,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:04,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:04,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:04,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:04,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:04,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:04,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:04,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:04,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:04,105 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 03:43:04,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1965817921] [2020-10-27 03:43:04,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:43:04,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 03:43:04,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033225711] [2020-10-27 03:43:04,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 03:43:04,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:43:04,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 03:43:04,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:43:04,108 INFO L87 Difference]: Start difference. First operand 679 states and 906 transitions. Second operand 9 states. [2020-10-27 03:43:05,043 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:43:05,440 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:43:05,813 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:43:07,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:43:07,058 INFO L93 Difference]: Finished difference Result 1253 states and 1778 transitions. [2020-10-27 03:43:07,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 03:43:07,059 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 125 [2020-10-27 03:43:07,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:43:07,064 INFO L225 Difference]: With dead ends: 1253 [2020-10-27 03:43:07,064 INFO L226 Difference]: Without dead ends: 557 [2020-10-27 03:43:07,069 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-27 03:43:07,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2020-10-27 03:43:07,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 498. [2020-10-27 03:43:07,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2020-10-27 03:43:07,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 623 transitions. [2020-10-27 03:43:07,180 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 623 transitions. Word has length 125 [2020-10-27 03:43:07,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:43:07,180 INFO L481 AbstractCegarLoop]: Abstraction has 498 states and 623 transitions. [2020-10-27 03:43:07,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 03:43:07,181 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 623 transitions. [2020-10-27 03:43:07,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-27 03:43:07,183 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:43:07,183 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-27 03:43:07,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 03:43:07,184 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:43:07,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:43:07,184 INFO L82 PathProgramCache]: Analyzing trace with hash 767321049, now seen corresponding path program 1 times [2020-10-27 03:43:07,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:43:07,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1394074129] [2020-10-27 03:43:07,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:43:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:07,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:07,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:07,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:07,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:07,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:08,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:12,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:12,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-27 03:43:12,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:43:12,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 03:43:12,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:12,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 03:43:12,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:12,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 220 [2020-10-27 03:43:12,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:12,666 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:43:12,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:43:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:12,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:12,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:12,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:12,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:12,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 03:43:12,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:12,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:12,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:12,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:43:12,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:12,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:43:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:12,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:12,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:12,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:12,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:12,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:12,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:12,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:12,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:12,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:43:12,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:12,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:43:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:12,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:12,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:12,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:12,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:12,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:12,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:12,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:12,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:12,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:43:12,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:12,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:12,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:12,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:12,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:12,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:12,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:12,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:12,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:12,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:12,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:12,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:12,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:43:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:12,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:12,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:12,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:12,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:12,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:43:12,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:12,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:12,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:12,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:43:12,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:12,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 03:43:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:12,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:12,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:12,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:12,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:12,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:43:12,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:12,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:43:12,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:43:12,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:43:12,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:12,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 03:43:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:12,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:12,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:12,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:12,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:12,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-27 03:43:12,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:43:12,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 03:43:12,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:12,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:12,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:43:12,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 03:43:12,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:13,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:13,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:13,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 03:43:13,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:43:13,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 03:43:13,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:13,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:13,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:13,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 03:43:13,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:13,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:13,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:13,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:43:13,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:13,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:13,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:13,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:13,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:13,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:13,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:13,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:13,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:13,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:43:13,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:13,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:13,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:13,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:13,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:13,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:13,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:13,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:43:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:13,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:13,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:13,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:13,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:13,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:13,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:13,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:13,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:13,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:13,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 03:43:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:13,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:13,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:43:13,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:13,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:43:13,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:13,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:13,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:13,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:43:13,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:13,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:13,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:13,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:13,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:13,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:13,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:13,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:13,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:13,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:13,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:13,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 03:43:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:13,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:13,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 03:43:13,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:43:13,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 03:43:13,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:13,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:13,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:43:13,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 03:43:13,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:13,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:13,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:13,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 03:43:13,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:13,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:43:13,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 03:43:13,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:13,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:13,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:13,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:43:13,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:13,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:13,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:13,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:13,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:13,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:13,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:13,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:13,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:13,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:43:13,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:13,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:13,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:13,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:13,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:13,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:13,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:13,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:43:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:13,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:13,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:43:13,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:13,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:13,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:13,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:13,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:13,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:13,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:13,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:13,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:13,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:43:13,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:13,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:13,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:13,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:13,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:13,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:13,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:13,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:13,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:13,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:13,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:13,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:13,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:13,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:13,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:13,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:13,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:13,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:43:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:13,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:13,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:13,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:13,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:13,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:13,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:13,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:13,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:13,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:13,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:43:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:13,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:13,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:43:13,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:13,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:43:13,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:13,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:13,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:13,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:43:13,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:13,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:43:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:13,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:13,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:13,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:13,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:13,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:13,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:13,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:13,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:13,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:13,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 03:43:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:13,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:13,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:13,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:13,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:43:13,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:13,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:43:13,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 03:43:13,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:43:13,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:13,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 03:43:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:13,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:13,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 03:43:13,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:13,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:13,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:13,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:43:13,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:13,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 03:43:13,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:13,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:43:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:13,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:13,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:43:13,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:13,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:43:13,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:13,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:13,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:13,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:13,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:13,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 03:43:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:13,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:13,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:13,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:13,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:43:13,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:13,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:43:13,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:43:13,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:43:13,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:13,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 03:43:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:43:13,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:43:13,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:43:13,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:43:13,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:43:13,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:43:13,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:43:13,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:43:13,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:43:13,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:43:13,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:43:13,326 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-27 03:43:13,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1394074129] [2020-10-27 03:43:13,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:43:13,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 03:43:13,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056629038] [2020-10-27 03:43:13,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 03:43:13,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:43:13,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 03:43:13,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2020-10-27 03:43:13,328 INFO L87 Difference]: Start difference. First operand 498 states and 623 transitions. Second operand 15 states. [2020-10-27 03:43:13,930 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:43:14,804 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:43:15,873 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:16,335 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:16,745 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:17,128 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:17,563 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:43:18,000 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:43:18,907 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:43:19,411 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:19,814 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:20,202 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:43:20,960 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:43:24,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:43:24,912 INFO L93 Difference]: Finished difference Result 1440 states and 2130 transitions. [2020-10-27 03:43:24,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-27 03:43:24,913 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 166 [2020-10-27 03:43:24,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:43:24,923 INFO L225 Difference]: With dead ends: 1440 [2020-10-27 03:43:24,923 INFO L226 Difference]: Without dead ends: 1020 [2020-10-27 03:43:24,927 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 563 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=478, Invalid=1592, Unknown=0, NotChecked=0, Total=2070 [2020-10-27 03:43:24,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2020-10-27 03:43:25,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 628. [2020-10-27 03:43:25,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2020-10-27 03:43:25,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 808 transitions. [2020-10-27 03:43:25,075 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 808 transitions. Word has length 166 [2020-10-27 03:43:25,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:43:25,076 INFO L481 AbstractCegarLoop]: Abstraction has 628 states and 808 transitions. [2020-10-27 03:43:25,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 03:43:25,076 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 808 transitions. [2020-10-27 03:43:25,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-27 03:43:25,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:43:25,079 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] [2020-10-27 03:43:25,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 03:43:25,080 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:43:25,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:43:25,080 INFO L82 PathProgramCache]: Analyzing trace with hash 990486644, now seen corresponding path program 1 times [2020-10-27 03:43:25,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:43:25,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [470583925] [2020-10-27 03:43:25,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:43:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 03:43:25,120 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 03:43:25,120 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 03:43:25,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 03:43:25,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:43:25 BoogieIcfgContainer [2020-10-27 03:43:25,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 03:43:25,155 INFO L168 Benchmark]: Toolchain (without parser) took 90091.63 ms. Allocated memory was 151.0 MB in the beginning and 706.7 MB in the end (delta: 555.7 MB). Free memory was 126.2 MB in the beginning and 263.7 MB in the end (delta: -137.5 MB). Peak memory consumption was 418.9 MB. Max. memory is 8.0 GB. [2020-10-27 03:43:25,156 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 03:43:25,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.22 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 104.7 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-27 03:43:25,157 INFO L168 Benchmark]: Boogie Preprocessor took 152.46 ms. Allocated memory is still 151.0 MB. Free memory was 104.7 MB in the beginning and 132.4 MB in the end (delta: -27.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 8.0 GB. [2020-10-27 03:43:25,157 INFO L168 Benchmark]: RCFGBuilder took 1452.97 ms. Allocated memory is still 151.0 MB. Free memory was 132.4 MB in the beginning and 127.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 86.0 MB. Max. memory is 8.0 GB. [2020-10-27 03:43:25,158 INFO L168 Benchmark]: TraceAbstraction took 87830.10 ms. Allocated memory was 151.0 MB in the beginning and 706.7 MB in the end (delta: 555.7 MB). Free memory was 127.5 MB in the beginning and 263.7 MB in the end (delta: -136.2 MB). Peak memory consumption was 419.0 MB. Max. memory is 8.0 GB. [2020-10-27 03:43:25,161 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 640.22 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 104.7 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 152.46 ms. Allocated memory is still 151.0 MB. Free memory was 104.7 MB in the beginning and 132.4 MB in the end (delta: -27.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1452.97 ms. Allocated memory is still 151.0 MB. Free memory was 132.4 MB in the beginning and 127.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 86.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 87830.10 ms. Allocated memory was 151.0 MB in the beginning and 706.7 MB in the end (delta: 555.7 MB). Free memory was 127.5 MB in the beginning and 263.7 MB in the end (delta: -136.2 MB). Peak memory consumption was 419.0 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: 87.7s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 52.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1175 SDtfs, 3395 SDslu, 1941 SDs, 0 SdLazy, 8842 SolverSat, 2691 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 475 GetRequests, 313 SyntacticMatches, 4 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 951 ImplicationChecksByTransitivity, 24.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=714occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1069 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 33.4s InterpolantComputationTime, 1033 NumberOfCodeBlocks, 1033 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 861 ConstructedInterpolants, 0 QuantifiedInterpolants, 347568 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 120/137 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...