/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=DEEPEST --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_spec3_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:11:57,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:11:57,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:11:57,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:11:57,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:11:57,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:11:57,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:11:57,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:11:57,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:11:57,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:11:57,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:11:57,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:11:57,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:11:57,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:11:57,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:11:57,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:11:57,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:11:57,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:11:57,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:11:57,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:11:57,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:11:57,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:11:57,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:11:57,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:11:57,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:11:57,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:11:57,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:11:57,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:11:57,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:11:57,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:11:57,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:11:57,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:11:57,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:11:57,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:11:57,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:11:57,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:11:58,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:11:58,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:11:58,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:11:58,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:11:58,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:11:58,006 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 22:11:58,063 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:11:58,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:11:58,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:11:58,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:11:58,069 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:11:58,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:11:58,069 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:11:58,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:11:58,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:11:58,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:11:58,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:11:58,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:11:58,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:11:58,072 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:11:58,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:11:58,072 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:11:58,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:11:58,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:11:58,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:11:58,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:11:58,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:11:58,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:11:58,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:11:58,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:11:58,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:11:58,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:11:58,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:11:58,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:11:58,076 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:11:58,076 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:11:58,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:11:58,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:11:58,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:11:58,505 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:11:58,506 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:11:58,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product45.cil.c [2020-10-27 22:11:58,607 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4a6bd8c4/741be2f5e6a24328bb0a1c5d25d680fe/FLAGcecc019e5 [2020-10-27 22:11:59,427 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:11:59,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product45.cil.c [2020-10-27 22:11:59,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4a6bd8c4/741be2f5e6a24328bb0a1c5d25d680fe/FLAGcecc019e5 [2020-10-27 22:11:59,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4a6bd8c4/741be2f5e6a24328bb0a1c5d25d680fe [2020-10-27 22:11:59,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:11:59,707 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:11:59,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:11:59,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:11:59,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:11:59,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:11:59" (1/1) ... [2020-10-27 22:11:59,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2822bfa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:11:59, skipping insertion in model container [2020-10-27 22:11:59,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:11:59" (1/1) ... [2020-10-27 22:11:59,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:11:59,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:12:00,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:12:00,285 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:12:00,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:12:00,448 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:12:00,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:12:00 WrapperNode [2020-10-27 22:12:00,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:12:00,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:12:00,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:12:00,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:12:00,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:12:00" (1/1) ... [2020-10-27 22:12:00,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:12:00" (1/1) ... [2020-10-27 22:12:00,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:12:00" (1/1) ... [2020-10-27 22:12:00,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:12:00" (1/1) ... [2020-10-27 22:12:00,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:12:00" (1/1) ... [2020-10-27 22:12:00,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:12:00" (1/1) ... [2020-10-27 22:12:00,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:12:00" (1/1) ... [2020-10-27 22:12:00,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:12:00,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:12:00,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:12:00,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:12:00,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:12:00" (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 22:12:00,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:12:00,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:12:00,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 22:12:00,665 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:12:00,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-27 22:12:00,665 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 22:12:00,665 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 22:12:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 22:12:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 22:12:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 22:12:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 22:12:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 22:12:00,666 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 22:12:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 22:12:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 22:12:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 22:12:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:12:00,667 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 22:12:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 22:12:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-27 22:12:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 22:12:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-27 22:12:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 22:12:00,668 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 22:12:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 22:12:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 22:12:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 22:12:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 22:12:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 22:12:00,669 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 22:12:00,670 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 22:12:00,670 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 22:12:00,670 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 22:12:00,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 22:12:00,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 22:12:00,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 22:12:00,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 22:12:00,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 22:12:00,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 22:12:00,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 22:12:00,671 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:12:00,672 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:12:00,672 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:12:00,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:12:00,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:12:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 22:12:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 22:12:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 22:12:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 22:12:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 22:12:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-27 22:12:00,673 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 22:12:00,674 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 22:12:00,674 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 22:12:00,674 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 22:12:00,674 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 22:12:00,674 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 22:12:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 22:12:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 22:12:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 22:12:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 22:12:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 22:12:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 22:12:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 22:12:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 22:12:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 22:12:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:12:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 22:12:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 22:12:00,677 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 22:12:00,677 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 22:12:00,677 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 22:12:00,677 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-27 22:12:00,677 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 22:12:00,677 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-27 22:12:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 22:12:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 22:12:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 22:12:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 22:12:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 22:12:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 22:12:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:12:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 22:12:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 22:12:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:12:00,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 22:12:00,680 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 22:12:00,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:12:00,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 22:12:00,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 22:12:00,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 22:12:00,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:12:00,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:12:00,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:12:02,220 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:12:02,220 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 22:12:02,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:12:02 BoogieIcfgContainer [2020-10-27 22:12:02,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:12:02,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:12:02,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:12:02,229 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:12:02,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:11:59" (1/3) ... [2020-10-27 22:12:02,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43de78de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:12:02, skipping insertion in model container [2020-10-27 22:12:02,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:12:00" (2/3) ... [2020-10-27 22:12:02,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43de78de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:12:02, skipping insertion in model container [2020-10-27 22:12:02,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:12:02" (3/3) ... [2020-10-27 22:12:02,232 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product45.cil.c [2020-10-27 22:12:02,245 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:12:02,251 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 22:12:02,266 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 22:12:02,296 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:12:02,296 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:12:02,296 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:12:02,297 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:12:02,297 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:12:02,297 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:12:02,297 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:12:02,297 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:12:02,322 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2020-10-27 22:12:02,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-27 22:12:02,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:02,334 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] [2020-10-27 22:12:02,335 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 22:12:02,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:02,342 INFO L82 PathProgramCache]: Analyzing trace with hash -341670286, now seen corresponding path program 1 times [2020-10-27 22:12:02,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:02,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [377159401] [2020-10-27 22:12:02,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:02,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:02,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:03,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:06,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:06,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 22:12:06,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:12:06,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3480 [2020-10-27 22:12:06,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:06,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:06,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 22:12:06,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:06,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 22:12:06,938 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:06,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:06,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:07,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:07,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:07,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:07,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 22:12:07,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:07,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:07,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:07,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:07,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:07,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:07,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:07,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:07,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:07,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:07,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:07,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:07,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:07,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:07,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:07,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:07,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:07,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:07,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:07,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:07,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:07,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:07,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:07,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:07,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:07,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:07,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:07,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:07,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:07,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:07,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:07,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:07,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:07,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:07,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:07,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:07,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:07,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:07,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:07,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:07,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:07,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:07,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:07,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:07,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:07,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:07,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 22:12:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:07,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:07,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:07,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:07,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:07,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:07,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:07,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:07,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:07,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:07,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:07,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 22:12:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:07,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:07,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:07,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:07,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:07,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:12:07,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:07,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:07,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:07,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:07,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:07,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 22:12:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:07,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:07,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:07,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:07,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:07,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:12:07,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:07,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:07,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:07,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:07,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:07,143 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 22:12:07,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [377159401] [2020-10-27 22:12:07,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:07,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 22:12:07,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855945880] [2020-10-27 22:12:07,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-27 22:12:07,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:07,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-27 22:12:07,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 22:12:07,175 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 3 states. [2020-10-27 22:12:09,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:09,036 INFO L93 Difference]: Finished difference Result 320 states and 418 transitions. [2020-10-27 22:12:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-27 22:12:09,038 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-10-27 22:12:09,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:09,056 INFO L225 Difference]: With dead ends: 320 [2020-10-27 22:12:09,056 INFO L226 Difference]: Without dead ends: 171 [2020-10-27 22:12:09,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 22:12:09,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-27 22:12:09,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 137. [2020-10-27 22:12:09,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-10-27 22:12:09,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 162 transitions. [2020-10-27 22:12:09,236 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 162 transitions. Word has length 53 [2020-10-27 22:12:09,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:09,237 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 162 transitions. [2020-10-27 22:12:09,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-27 22:12:09,237 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 162 transitions. [2020-10-27 22:12:09,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 22:12:09,242 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:09,243 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] [2020-10-27 22:12:09,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:12:09,243 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 22:12:09,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:09,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1856031469, now seen corresponding path program 1 times [2020-10-27 22:12:09,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:09,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1694576420] [2020-10-27 22:12:09,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:09,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:09,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:09,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:11,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:11,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 22:12:11,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:12:11,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2597 [2020-10-27 22:12:11,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:11,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:11,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 22:12:11,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:12:11,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:12,203 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:12,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:12,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:12,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:12,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:12,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:12,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 22:12:12,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:12,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:12,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:12,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:12,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:12,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:12,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:12,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:12,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:12,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:12,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:12,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:12,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:12,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:12,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:12,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:12,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:12,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:12,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:12,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:12,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:12,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:12,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:12,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:12,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:12,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:12,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:12,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:12,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:12,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:12,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:12,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:12,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:12,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:12,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:12,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:12,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:12,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:12,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:12,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:12,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:12,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:12,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:12,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:12,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:12,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:12,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:12,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:12,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:12,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 22:12:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:12,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:12,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:12,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:12,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:12,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:12,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:12,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:12,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:12,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:12,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:12,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:12:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:12,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:12,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:12,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:12,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:12,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:12,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:12,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:12,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:12,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:12,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:12,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 22:12:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:12,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:12,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:12,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:12,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:12,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:12,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:12,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:12,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:12,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:12,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:12,310 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 22:12:12,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1694576420] [2020-10-27 22:12:12,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:12,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 22:12:12,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754882589] [2020-10-27 22:12:12,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 22:12:12,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:12,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 22:12:12,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 22:12:12,314 INFO L87 Difference]: Start difference. First operand 137 states and 162 transitions. Second operand 4 states. [2020-10-27 22:12:12,924 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:13,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:13,974 INFO L93 Difference]: Finished difference Result 250 states and 305 transitions. [2020-10-27 22:12:13,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 22:12:13,975 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-10-27 22:12:13,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:13,982 INFO L225 Difference]: With dead ends: 250 [2020-10-27 22:12:13,985 INFO L226 Difference]: Without dead ends: 155 [2020-10-27 22:12:13,989 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 22:12:13,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-10-27 22:12:14,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 128. [2020-10-27 22:12:14,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-27 22:12:14,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 150 transitions. [2020-10-27 22:12:14,088 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 150 transitions. Word has length 54 [2020-10-27 22:12:14,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:14,089 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 150 transitions. [2020-10-27 22:12:14,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 22:12:14,089 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 150 transitions. [2020-10-27 22:12:14,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-27 22:12:14,100 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:14,100 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] [2020-10-27 22:12:14,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:12:14,100 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 22:12:14,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:14,101 INFO L82 PathProgramCache]: Analyzing trace with hash -7410218, now seen corresponding path program 1 times [2020-10-27 22:12:14,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:14,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [217350234] [2020-10-27 22:12:14,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:14,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:14,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:15,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:15,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 22:12:15,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:12:15,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1253 [2020-10-27 22:12:15,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:15,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:12:15,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:15,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 22:12:15,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:15,771 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:15,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:15,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:15,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:15,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:15,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:15,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-27 22:12:15,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:15,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:15,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:15,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:12:15,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:15,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:15,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:15,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:15,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:15,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:15,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:15,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:15,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:15,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:15,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:15,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:15,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:15,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:15,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:15,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:15,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:15,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:15,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:15,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:15,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:15,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:15,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:15,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:15,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:15,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:15,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:15,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:15,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:15,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:15,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:15,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:15,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:15,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:15,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:15,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:15,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:15,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:15,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:15,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:15,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:15,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:15,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:15,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:15,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:15,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:12:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:15,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:15,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:15,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:15,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:15,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:15,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:15,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:15,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:15,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:15,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:15,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 22:12:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:15,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:15,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:15,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:15,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:15,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:12:15,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:15,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:15,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:15,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:15,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:15,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 22:12:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:15,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:15,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:15,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:15,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:15,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:15,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:15,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:15,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:15,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:15,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:15,986 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 22:12:15,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [217350234] [2020-10-27 22:12:15,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:15,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 22:12:15,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579932920] [2020-10-27 22:12:15,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:12:15,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:15,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:12:15,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:12:15,989 INFO L87 Difference]: Start difference. First operand 128 states and 150 transitions. Second operand 7 states. [2020-10-27 22:12:16,484 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:17,650 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:18,053 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:18,427 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:18,738 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:19,253 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:20,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:20,190 INFO L93 Difference]: Finished difference Result 362 states and 461 transitions. [2020-10-27 22:12:20,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 22:12:20,190 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-10-27 22:12:20,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:20,197 INFO L225 Difference]: With dead ends: 362 [2020-10-27 22:12:20,197 INFO L226 Difference]: Without dead ends: 258 [2020-10-27 22:12:20,199 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:12:20,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2020-10-27 22:12:20,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 233. [2020-10-27 22:12:20,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-27 22:12:20,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 281 transitions. [2020-10-27 22:12:20,293 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 281 transitions. Word has length 58 [2020-10-27 22:12:20,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:20,293 INFO L481 AbstractCegarLoop]: Abstraction has 233 states and 281 transitions. [2020-10-27 22:12:20,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:12:20,293 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 281 transitions. [2020-10-27 22:12:20,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-27 22:12:20,297 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:20,297 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] [2020-10-27 22:12:20,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:12:20,297 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 22:12:20,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:20,298 INFO L82 PathProgramCache]: Analyzing trace with hash -68902768, now seen corresponding path program 1 times [2020-10-27 22:12:20,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:20,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1891156951] [2020-10-27 22:12:20,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:20,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:20,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:20,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:22,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:23,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:23,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 22:12:23,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:12:23,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3623 [2020-10-27 22:12:23,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:23,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:23,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-27 22:12:23,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 22:12:23,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:24,315 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:24,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:24,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:24,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:24,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:24,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:24,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 22:12:24,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:24,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:24,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:24,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:24,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:24,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:24,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:24,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:24,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:24,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:24,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:24,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:24,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:24,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:24,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:24,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:24,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:24,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:24,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:24,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:24,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:24,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:24,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:24,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:24,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:24,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:24,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:24,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:24,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:24,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:24,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:24,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:24,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:24,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:24,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:24,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:24,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:24,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:24,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:24,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:24,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:24,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:24,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:24,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:24,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:24,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:24,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:24,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:24,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:24,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 22:12:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:24,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:24,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:24,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:24,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:24,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:24,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:24,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:24,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:24,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:24,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:24,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 22:12:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:24,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:24,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:24,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:24,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:24,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:24,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:24,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:24,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:24,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:24,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:24,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 22:12:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:24,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:24,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:24,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:24,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:24,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:24,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:24,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:24,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:24,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:24,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:24,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 22:12:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:24,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:24,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:24,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:24,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:24,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:24,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:24,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:24,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:24,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:24,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:24,457 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 22:12:24,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1891156951] [2020-10-27 22:12:24,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:24,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 22:12:24,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439244984] [2020-10-27 22:12:24,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:12:24,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:24,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:12:24,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:12:24,462 INFO L87 Difference]: Start difference. First operand 233 states and 281 transitions. Second operand 8 states. [2020-10-27 22:12:25,298 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:26,462 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:26,742 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:12:27,125 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:27,425 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:27,756 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:28,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:28,767 INFO L93 Difference]: Finished difference Result 605 states and 780 transitions. [2020-10-27 22:12:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 22:12:28,767 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 62 [2020-10-27 22:12:28,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:28,773 INFO L225 Difference]: With dead ends: 605 [2020-10-27 22:12:28,773 INFO L226 Difference]: Without dead ends: 396 [2020-10-27 22:12:28,775 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-27 22:12:28,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2020-10-27 22:12:28,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 358. [2020-10-27 22:12:28,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2020-10-27 22:12:28,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 431 transitions. [2020-10-27 22:12:28,899 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 431 transitions. Word has length 62 [2020-10-27 22:12:28,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:28,900 INFO L481 AbstractCegarLoop]: Abstraction has 358 states and 431 transitions. [2020-10-27 22:12:28,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:12:28,900 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 431 transitions. [2020-10-27 22:12:28,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-27 22:12:28,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:28,902 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] [2020-10-27 22:12:28,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:12:28,903 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 22:12:28,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:28,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1019244528, now seen corresponding path program 1 times [2020-10-27 22:12:28,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:28,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [620307868] [2020-10-27 22:12:28,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:28,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 22:12:29,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-27 22:12:29,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:29,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:29,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-27 22:12:29,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,380 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:29,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:29,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:29,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-27 22:12:29,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:29,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:29,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:12:29,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:29,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:29,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:29,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:29,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:29,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:29,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:29,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:29,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:29,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:29,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:29,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:29,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:29,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:29,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:29,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:29,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:29,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:29,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:29,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:29,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:29,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:29,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:29,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:29,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:12:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:29,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:29,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:12:29,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:29,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:29,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:29,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 22:12:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:29,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:29,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:29,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:29,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:29,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:29,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 22:12:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:29,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:29,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:29,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:29,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:29,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:29,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 22:12:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:29,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:29,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:29,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:29,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:29,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:29,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:29,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:29,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:29,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:29,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:29,575 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 22:12:29,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [620307868] [2020-10-27 22:12:29,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:29,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:12:29,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364119370] [2020-10-27 22:12:29,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:12:29,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:29,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:12:29,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:12:29,579 INFO L87 Difference]: Start difference. First operand 358 states and 431 transitions. Second operand 6 states. [2020-10-27 22:12:29,920 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:30,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:30,943 INFO L93 Difference]: Finished difference Result 726 states and 905 transitions. [2020-10-27 22:12:30,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:12:30,944 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-10-27 22:12:30,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:30,948 INFO L225 Difference]: With dead ends: 726 [2020-10-27 22:12:30,948 INFO L226 Difference]: Without dead ends: 392 [2020-10-27 22:12:30,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:12:30,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2020-10-27 22:12:31,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 358. [2020-10-27 22:12:31,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2020-10-27 22:12:31,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 427 transitions. [2020-10-27 22:12:31,040 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 427 transitions. Word has length 62 [2020-10-27 22:12:31,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:31,041 INFO L481 AbstractCegarLoop]: Abstraction has 358 states and 427 transitions. [2020-10-27 22:12:31,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:12:31,041 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 427 transitions. [2020-10-27 22:12:31,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-27 22:12:31,043 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:31,044 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 22:12:31,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:12:31,044 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 22:12:31,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:31,045 INFO L82 PathProgramCache]: Analyzing trace with hash -746142069, now seen corresponding path program 1 times [2020-10-27 22:12:31,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:31,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [8488258] [2020-10-27 22:12:31,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:31,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:31,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:31,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:31,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:33,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:36,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:36,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 22:12:36,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:12:36,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 22:12:36,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:36,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:12:36,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-27 22:12:36,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 22:12:36,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:36,396 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:36,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:36,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:36,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:36,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:36,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:36,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 22:12:36,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:36,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:36,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:36,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:36,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:36,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:36,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:36,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:36,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:36,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:36,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:36,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:36,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:36,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:36,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:36,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:36,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:36,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:36,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:36,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:36,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:36,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:36,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:36,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:36,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:36,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:36,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:36,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:36,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:36,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:36,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:36,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:36,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:36,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:36,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:36,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:36,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:36,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:36,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:36,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:36,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:36,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:36,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:36,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:36,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:36,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:36,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:36,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:12:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:36,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:36,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:36,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:36,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:36,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:36,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:36,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:36,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:36,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:36,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:36,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 22:12:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:36,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:36,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:36,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:36,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:36,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:36,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:36,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:36,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:36,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:36,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:36,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 22:12:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:36,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:36,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:36,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 22:12:36,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:36,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 22:12:36,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:36,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:12:36,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:36,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 22:12:36,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:36,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:36,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:36,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:36,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:12:36,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:36,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:12:36,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:36,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:36,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:36,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 22:12:36,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:36,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:36,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:36,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:36,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:36,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:36,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:36,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:36,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:12:36,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:36,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:36,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 22:12:36,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 22:12:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:36,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:36,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:36,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:36,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:36,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:36,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:36,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:36,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:36,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:36,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:36,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 22:12:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:36,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:36,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:36,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:36,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:36,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:12:36,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:36,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:36,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:36,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:36,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:36,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 22:12:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:36,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:36,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:36,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:36,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:36,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:36,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:36,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:36,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:36,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:36,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:36,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 22:12:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:36,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:36,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:36,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:36,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:36,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:36,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:36,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:36,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:36,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:36,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:36,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 22:12:36,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [8488258] [2020-10-27 22:12:36,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:36,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 22:12:36,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932908786] [2020-10-27 22:12:36,693 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 22:12:36,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:36,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 22:12:36,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:12:36,694 INFO L87 Difference]: Start difference. First operand 358 states and 427 transitions. Second operand 13 states. [2020-10-27 22:12:37,974 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:12:38,556 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:38,934 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:39,301 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:39,647 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:12:40,023 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:12:40,334 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:12:40,652 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:12:40,972 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:12:41,867 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-27 22:12:42,214 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-27 22:12:43,033 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 22:12:44,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:44,245 INFO L93 Difference]: Finished difference Result 1117 states and 1516 transitions. [2020-10-27 22:12:44,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 22:12:44,246 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 86 [2020-10-27 22:12:44,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:44,252 INFO L225 Difference]: With dead ends: 1117 [2020-10-27 22:12:44,252 INFO L226 Difference]: Without dead ends: 783 [2020-10-27 22:12:44,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2020-10-27 22:12:44,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-10-27 22:12:44,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 643. [2020-10-27 22:12:44,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-10-27 22:12:44,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 779 transitions. [2020-10-27 22:12:44,423 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 779 transitions. Word has length 86 [2020-10-27 22:12:44,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:44,423 INFO L481 AbstractCegarLoop]: Abstraction has 643 states and 779 transitions. [2020-10-27 22:12:44,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 22:12:44,423 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 779 transitions. [2020-10-27 22:12:44,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-27 22:12:44,427 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:44,428 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] [2020-10-27 22:12:44,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:12:44,428 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 22:12:44,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:44,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1152228280, now seen corresponding path program 1 times [2020-10-27 22:12:44,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:44,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1005713773] [2020-10-27 22:12:44,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:44,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:44,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:47,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:47,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:12:47,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:12:47,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3315 [2020-10-27 22:12:47,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:47,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:47,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-27 22:12:47,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 22:12:47,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:48,081 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:48,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:48,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:48,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:48,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:48,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:48,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 22:12:48,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:48,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:48,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:48,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:48,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:48,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:48,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:48,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:48,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:48,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:48,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:48,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:48,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:48,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:48,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:48,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:48,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:48,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:48,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:48,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:48,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:48,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:48,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:48,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:48,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:48,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:48,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:48,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:48,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:48,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:48,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:48,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:48,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:48,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:48,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:48,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:48,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:48,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:48,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:48,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:48,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:48,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:12:48,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:48,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:48,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:48,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:48,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:48,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:12:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:48,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:48,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:48,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:48,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:48,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:48,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:48,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:48,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:48,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:48,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:48,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:12:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:48,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:48,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:48,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 22:12:48,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:48,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:12:48,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:48,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:48,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:48,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 22:12:48,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:48,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:48,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:48,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:48,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 22:12:48,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:48,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:12:48,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:48,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:48,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 22:12:48,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:48,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:48,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:48,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:48,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:12:48,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:48,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:48,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:48,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:48,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:48,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:12:48,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:48,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:48,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:48,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:48,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:12:48,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:48,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:48,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:48,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:48,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:48,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:12:48,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:48,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:12:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:48,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:48,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:48,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:48,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:48,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:12:48,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:48,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:48,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:48,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:12:48,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:48,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 22:12:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:48,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:48,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:48,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:48,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:48,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:48,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:48,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:12:48,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:48,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:48,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:48,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 22:12:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:48,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:48,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:48,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:48,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:48,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:12:48,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:48,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:48,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:48,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:48,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:48,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 22:12:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:48,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:48,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:48,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:48,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:48,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:12:48,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:48,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:48,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:48,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:48,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:48,329 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 22:12:48,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1005713773] [2020-10-27 22:12:48,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:48,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 22:12:48,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676446059] [2020-10-27 22:12:48,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:12:48,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:48,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:12:48,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:12:48,332 INFO L87 Difference]: Start difference. First operand 643 states and 779 transitions. Second operand 9 states. [2020-10-27 22:12:48,857 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:51,055 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:51,363 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:51,618 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:51,965 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:12:52,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:52,262 INFO L93 Difference]: Finished difference Result 1481 states and 2020 transitions. [2020-10-27 22:12:52,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 22:12:52,262 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-10-27 22:12:52,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:52,272 INFO L225 Difference]: With dead ends: 1481 [2020-10-27 22:12:52,273 INFO L226 Difference]: Without dead ends: 1135 [2020-10-27 22:12:52,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2020-10-27 22:12:52,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2020-10-27 22:12:52,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 933. [2020-10-27 22:12:52,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 933 states. [2020-10-27 22:12:52,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1154 transitions. [2020-10-27 22:12:52,500 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1154 transitions. Word has length 89 [2020-10-27 22:12:52,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:52,501 INFO L481 AbstractCegarLoop]: Abstraction has 933 states and 1154 transitions. [2020-10-27 22:12:52,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:12:52,501 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1154 transitions. [2020-10-27 22:12:52,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-27 22:12:52,506 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:52,506 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] [2020-10-27 22:12:52,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:12:52,506 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 22:12:52,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:52,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1681159017, now seen corresponding path program 1 times [2020-10-27 22:12:52,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:52,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [250244301] [2020-10-27 22:12:52,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:52,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:52,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:52,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:12:52,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:52,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 317 [2020-10-27 22:12:52,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:52,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:52,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-27 22:12:52,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:52,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:53,086 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:53,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:53,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:53,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:53,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:53,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:53,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 22:12:53,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:53,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:53,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:53,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:53,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:53,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:53,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:53,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:53,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:53,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:53,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:53,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:53,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:53,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:53,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:53,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:53,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:53,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:53,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:53,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:53,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:53,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:53,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:53,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:53,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:53,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:53,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:53,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:53,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:53,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:53,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:53,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:53,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:53,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:53,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:53,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:53,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:53,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:53,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:53,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:53,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:53,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:53,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:53,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:53,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:53,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:53,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:53,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:53,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:53,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:12:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:53,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:53,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:53,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:53,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:53,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:53,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:53,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:53,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:53,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:53,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:53,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:12:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:53,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:53,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:53,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 22:12:53,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:53,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:12:53,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:53,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:53,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 22:12:53,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:53,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:53,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:53,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:53,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:53,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 22:12:53,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:53,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:12:53,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:53,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:53,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:12:53,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:53,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:53,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:53,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:53,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:53,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:12:53,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:53,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:12:53,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:53,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:53,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:12:53,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:53,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:53,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:53,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:53,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:53,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:12:53,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:53,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:12:53,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:53,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:12:53,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:53,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:12:53,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:53,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:12:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:53,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:53,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:53,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:53,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:53,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:53,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:53,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:53,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 22:12:53,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:53,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:53,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 22:12:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:53,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:53,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:53,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:53,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:53,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:53,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:53,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:53,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:53,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:53,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:53,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 22:12:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:53,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:53,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:53,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:53,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:53,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:53,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:53,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:53,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 22:12:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:53,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:53,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:53,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:53,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:53,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:53,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:53,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:53,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:53,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:53,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:53,307 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 22:12:53,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [250244301] [2020-10-27 22:12:53,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:53,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 22:12:53,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820100443] [2020-10-27 22:12:53,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 22:12:53,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:53,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 22:12:53,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:12:53,309 INFO L87 Difference]: Start difference. First operand 933 states and 1154 transitions. Second operand 8 states. [2020-10-27 22:12:54,556 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:54,841 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:55,138 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:12:56,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:12:56,240 INFO L93 Difference]: Finished difference Result 1779 states and 2362 transitions. [2020-10-27 22:12:56,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:12:56,241 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2020-10-27 22:12:56,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:12:56,251 INFO L225 Difference]: With dead ends: 1779 [2020-10-27 22:12:56,251 INFO L226 Difference]: Without dead ends: 1135 [2020-10-27 22:12:56,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:12:56,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2020-10-27 22:12:56,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 933. [2020-10-27 22:12:56,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 933 states. [2020-10-27 22:12:56,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1152 transitions. [2020-10-27 22:12:56,558 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1152 transitions. Word has length 89 [2020-10-27 22:12:56,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:12:56,558 INFO L481 AbstractCegarLoop]: Abstraction has 933 states and 1152 transitions. [2020-10-27 22:12:56,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 22:12:56,558 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1152 transitions. [2020-10-27 22:12:56,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-27 22:12:56,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:12:56,564 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] [2020-10-27 22:12:56,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 22:12:56,565 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 22:12:56,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:12:56,565 INFO L82 PathProgramCache]: Analyzing trace with hash -2075525803, now seen corresponding path program 1 times [2020-10-27 22:12:56,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:12:56,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2124573084] [2020-10-27 22:12:56,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:12:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:56,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:56,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:56,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:12:56,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:56,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-10-27 22:12:56,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:56,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:56,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-27 22:12:56,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:12:56,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:57,193 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:12:57,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:12:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:57,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:57,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:57,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:57,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:57,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 22:12:57,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:57,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:57,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:57,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:57,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:57,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:12:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:57,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:57,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:57,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:57,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:57,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:57,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:57,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:57,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:57,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:57,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:57,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:12:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:57,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:57,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:57,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:57,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:57,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:12:57,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:57,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:57,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:57,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:57,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:57,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:12:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:57,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:57,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:57,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:57,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:57,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:57,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:57,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:57,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:57,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:57,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:57,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:12:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:57,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:57,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:57,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:57,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:57,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:57,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:57,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:57,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:57,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:57,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:57,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:12:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:57,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:57,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:57,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:57,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:57,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:57,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:57,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:57,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:57,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:57,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:57,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:12:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:57,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:57,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:57,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 22:12:57,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:57,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 22:12:57,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:57,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:57,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 22:12:57,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:12:57,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:57,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:57,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:57,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:57,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 22:12:57,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:57,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 22:12:57,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:57,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:12:57,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 22:12:57,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:12:57,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:57,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:12:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:57,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:57,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:57,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:12:57,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:57,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:12:57,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:57,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:12:57,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:57,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 22:12:57,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:57,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:12:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:57,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:57,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:57,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:12:57,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:57,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:57,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:57,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:57,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:12:57,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:57,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:12:57,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:12:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:57,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:57,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:57,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:12:57,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:57,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:57,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:57,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:57,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 22:12:57,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:57,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:57,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 22:12:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:57,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:57,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:57,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:57,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:57,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:12:57,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:57,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:57,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:57,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:57,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:57,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 22:12:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:57,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:57,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:57,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:57,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:57,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:57,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:57,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:57,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:57,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:57,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:57,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 22:12:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:12:57,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:12:57,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:12:57,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:12:57,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:12:57,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:12:57,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:12:57,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:12:57,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:12:57,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:12:57,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:12:57,506 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 22:12:57,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2124573084] [2020-10-27 22:12:57,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:12:57,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 22:12:57,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132186768] [2020-10-27 22:12:57,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:12:57,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:12:57,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:12:57,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:12:57,509 INFO L87 Difference]: Start difference. First operand 933 states and 1152 transitions. Second operand 9 states. [2020-10-27 22:12:59,178 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:12:59,492 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 22:12:59,837 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:13:00,130 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:13:01,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:13:01,213 INFO L93 Difference]: Finished difference Result 2066 states and 2731 transitions. [2020-10-27 22:13:01,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 22:13:01,213 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-10-27 22:13:01,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:13:01,223 INFO L225 Difference]: With dead ends: 2066 [2020-10-27 22:13:01,223 INFO L226 Difference]: Without dead ends: 1157 [2020-10-27 22:13:01,228 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-27 22:13:01,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2020-10-27 22:13:01,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 947. [2020-10-27 22:13:01,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 947 states. [2020-10-27 22:13:01,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1166 transitions. [2020-10-27 22:13:01,485 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1166 transitions. Word has length 89 [2020-10-27 22:13:01,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:13:01,486 INFO L481 AbstractCegarLoop]: Abstraction has 947 states and 1166 transitions. [2020-10-27 22:13:01,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:13:01,486 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1166 transitions. [2020-10-27 22:13:01,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-27 22:13:01,491 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:13:01,491 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:13:01,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 22:13:01,492 INFO L429 AbstractCegarLoop]: === Iteration 10 === [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 22:13:01,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:13:01,492 INFO L82 PathProgramCache]: Analyzing trace with hash 390338231, now seen corresponding path program 1 times [2020-10-27 22:13:01,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:13:01,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2135863095] [2020-10-27 22:13:01,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:13:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:13:01,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:13:01,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:13:05,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:13:05,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-27 22:13:05,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:13:05,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3977 [2020-10-27 22:13:05,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:13:05,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:13:05,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-27 22:13:05,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 22:13:05,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:13:05,797 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:13:05,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:13:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:13:05,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:13:05,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:13:05,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:13:05,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:13:05,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 22:13:05,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:13:05,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:13:05,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:13:05,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:13:05,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:13:05,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:13:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:13:05,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:13:05,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:13:05,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:13:05,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:13:05,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:13:05,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:13:05,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:13:05,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:13:05,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:13:05,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:13:05,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:13:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:13:05,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:13:05,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:13:05,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:13:05,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:13:05,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:13:05,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:13:05,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:13:05,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:13:05,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:13:05,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:13:05,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:13:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:13:05,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:13:05,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:13:05,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:13:05,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:13:05,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:13:05,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:13:05,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:13:05,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:13:05,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:13:05,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:13:05,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:13:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:13:05,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:13:05,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:13:05,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:13:05,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:13:05,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:13:05,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:13:05,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:13:05,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:13:05,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:13:05,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:13:05,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:13:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:13:05,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:13:05,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:13:05,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:13:05,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:13:05,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:13:05,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:13:05,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:13:05,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:13:05,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:13:05,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:13:05,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:13:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:13:05,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:13:05,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:13:05,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-27 22:13:05,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:13:05,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 22:13:05,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:13:05,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:13:05,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:13:05,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 22:13:05,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:13:05,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:13:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:13:05,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:13:05,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:13:05,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-27 22:13:05,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:13:05,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 22:13:05,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:13:05,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:13:05,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:13:05,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 22:13:05,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:13:05,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 22:13:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:13:05,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:13:05,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:13:05,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 22:13:05,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:13:05,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:13:05,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:13:05,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:13:05,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:13:05,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:13:05,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:13:05,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:13:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:13:05,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:13:05,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:13:05,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:13:05,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:13:05,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:13:05,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:13:05,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:13:05,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:13:05,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:13:05,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:13:05,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 22:13:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:13:05,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:13:05,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:13:05,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 22:13:05,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:13:05,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:13:05,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:13:05,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:13:05,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:13:05,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 22:13:05,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:13:06,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:13:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:13:06,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:13:06,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:13:06,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 22:13:06,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:13:06,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:13:06,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:13:06,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:13:06,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:13:06,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 22:13:06,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:13:06,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 22:13:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:13:06,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:13:06,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:13:06,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:13:06,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:13:06,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:13:06,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:13:06,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:13:06,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:13:06,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:13:06,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:13:06,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 22:13:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:13:06,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:13:06,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:13:06,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:13:06,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:13:06,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:13:06,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:13:06,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:13:06,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:13:06,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:13:06,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:13:06,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 22:13:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:13:06,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:13:06,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:13:06,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:13:06,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:13:06,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:13:06,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:13:06,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:13:06,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:13:06,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:13:06,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:13:06,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 22:13:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:13:06,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:13:06,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:13:06,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:13:06,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:13:06,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:13:06,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:13:06,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:13:06,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:13:06,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:13:06,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:13:06,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 22:13:06,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2135863095] [2020-10-27 22:13:06,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:13:06,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 22:13:06,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9440061] [2020-10-27 22:13:06,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 22:13:06,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:13:06,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 22:13:06,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:13:06,186 INFO L87 Difference]: Start difference. First operand 947 states and 1166 transitions. Second operand 13 states. [2020-10-27 22:13:07,895 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:13:08,539 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:13:08,943 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:13:09,294 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:13:09,643 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:13:10,081 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:13:10,478 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 22:13:11,517 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 22:13:11,860 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-27 22:13:12,196 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-27 22:13:12,483 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:13:12,821 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-27 22:13:13,144 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-27 22:13:14,868 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 22:13:15,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:13:15,395 INFO L93 Difference]: Finished difference Result 2974 states and 4012 transitions. [2020-10-27 22:13:15,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 22:13:15,398 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 101 [2020-10-27 22:13:15,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:13:15,399 INFO L225 Difference]: With dead ends: 2974 [2020-10-27 22:13:15,399 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 22:13:15,409 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=202, Invalid=854, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 22:13:15,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 22:13:15,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 22:13:15,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 22:13:15,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 22:13:15,410 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 101 [2020-10-27 22:13:15,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:13:15,410 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 22:13:15,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 22:13:15,411 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 22:13:15,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 22:13:15,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 22:13:15,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 22:13:15,536 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 22:13:20,274 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 389 DAG size of output: 296 [2020-10-27 22:13:23,193 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 27 [2020-10-27 22:13:23,662 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 225 [2020-10-27 22:13:24,054 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 225 [2020-10-27 22:13:24,200 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 12 [2020-10-27 22:13:28,041 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 377 DAG size of output: 322 [2020-10-27 22:13:31,145 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 300 [2020-10-27 22:13:31,862 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 300 [2020-10-27 22:13:32,529 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 8 [2020-10-27 22:13:32,964 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 8 [2020-10-27 22:13:33,981 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 170 DAG size of output: 12 [2020-10-27 22:13:34,169 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-10-27 22:13:34,363 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 17 [2020-10-27 22:13:34,573 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-10-27 22:13:34,793 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-10-27 22:13:35,011 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-10-27 22:13:35,875 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 17 [2020-10-27 22:13:36,084 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 17 [2020-10-27 22:13:36,280 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 17 [2020-10-27 22:13:36,984 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 24 [2020-10-27 22:13:38,373 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 182 DAG size of output: 19 [2020-10-27 22:13:38,774 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 8 [2020-10-27 22:13:39,036 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:13:39,554 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 12 [2020-10-27 22:13:39,753 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-27 22:13:41,156 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 172 DAG size of output: 12 [2020-10-27 22:13:41,575 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 8 [2020-10-27 22:13:41,779 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-10-27 22:13:42,166 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 8 [2020-10-27 22:13:42,851 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 31 [2020-10-27 22:13:43,051 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 17 [2020-10-27 22:13:44,247 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 186 DAG size of output: 25 [2020-10-27 22:13:44,460 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-10-27 22:13:44,892 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 8 [2020-10-27 22:13:45,341 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 11 [2020-10-27 22:13:45,783 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 12 [2020-10-27 22:13:45,997 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-10-27 22:13:46,192 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 17 [2020-10-27 22:13:47,979 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 246 DAG size of output: 24 [2020-10-27 22:13:48,234 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 13 [2020-10-27 22:13:48,425 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-10-27 22:13:48,616 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 17 [2020-10-27 22:13:49,234 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 15 [2020-10-27 22:13:49,421 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 17 [2020-10-27 22:13:50,782 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 175 DAG size of output: 15 [2020-10-27 22:13:51,001 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-10-27 22:13:51,197 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 17 [2020-10-27 22:13:51,623 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 12 [2020-10-27 22:13:52,494 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 18 [2020-10-27 22:13:53,026 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 21 [2020-10-27 22:13:53,745 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 11 [2020-10-27 22:13:54,472 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 11 [2020-10-27 22:13:54,910 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 17 [2020-10-27 22:13:55,356 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 19 [2020-10-27 22:13:55,419 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 22:13:55,420 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-27 22:13:55,420 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 22:13:55,420 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 22:13:55,420 INFO L274 CegarLoopResult]: For program point L670(lines 670 674) no Hoare annotation was computed. [2020-10-27 22:13:55,420 INFO L274 CegarLoopResult]: For program point L670-1(lines 670 674) no Hoare annotation was computed. [2020-10-27 22:13:55,420 INFO L274 CegarLoopResult]: For program point L665(line 665) no Hoare annotation was computed. [2020-10-27 22:13:55,420 INFO L274 CegarLoopResult]: For program point L664-2(lines 664 685) no Hoare annotation was computed. [2020-10-27 22:13:55,421 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 639 694) no Hoare annotation was computed. [2020-10-27 22:13:55,421 INFO L274 CegarLoopResult]: For program point L686(lines 663 687) no Hoare annotation was computed. [2020-10-27 22:13:55,421 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 639 694) no Hoare annotation was computed. [2020-10-27 22:13:55,421 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 639 694) no Hoare annotation was computed. [2020-10-27 22:13:55,421 INFO L274 CegarLoopResult]: For program point L727(lines 727 731) no Hoare annotation was computed. [2020-10-27 22:13:55,421 INFO L274 CegarLoopResult]: For program point L727-1(lines 727 731) no Hoare annotation was computed. [2020-10-27 22:13:55,421 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 695 754) no Hoare annotation was computed. [2020-10-27 22:13:55,421 INFO L274 CegarLoopResult]: For program point L722(line 722) no Hoare annotation was computed. [2020-10-27 22:13:55,422 INFO L274 CegarLoopResult]: For program point L721-2(lines 721 746) no Hoare annotation was computed. [2020-10-27 22:13:55,422 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 695 754) no Hoare annotation was computed. [2020-10-27 22:13:55,422 INFO L274 CegarLoopResult]: For program point L747(lines 720 748) no Hoare annotation was computed. [2020-10-27 22:13:55,422 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 695 754) no Hoare annotation was computed. [2020-10-27 22:13:55,424 INFO L274 CegarLoopResult]: For program point L740(line 740) no Hoare annotation was computed. [2020-10-27 22:13:55,424 INFO L274 CegarLoopResult]: For program point L740-1(line 740) no Hoare annotation was computed. [2020-10-27 22:13:55,424 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 561 567) the Hoare annotation is: true [2020-10-27 22:13:55,424 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 561 567) no Hoare annotation was computed. [2020-10-27 22:13:55,424 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 568 576) no Hoare annotation was computed. [2020-10-27 22:13:55,424 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 568 576) the Hoare annotation is: true [2020-10-27 22:13:55,424 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 568 576) no Hoare annotation was computed. [2020-10-27 22:13:55,424 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 257 279) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:55,425 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 257 279) no Hoare annotation was computed. [2020-10-27 22:13:55,425 INFO L270 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:55,425 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 257 279) no Hoare annotation was computed. [2020-10-27 22:13:55,426 INFO L270 CegarLoopResult]: At program point L269-1(line 269) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:55,426 INFO L274 CegarLoopResult]: For program point L267(lines 267 274) no Hoare annotation was computed. [2020-10-27 22:13:55,426 INFO L274 CegarLoopResult]: For program point L267-1(lines 267 274) no Hoare annotation was computed. [2020-10-27 22:13:55,426 INFO L274 CegarLoopResult]: For program point L265(line 265) no Hoare annotation was computed. [2020-10-27 22:13:55,426 INFO L270 CegarLoopResult]: At program point L264(line 264) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:55,426 INFO L270 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:55,426 INFO L270 CegarLoopResult]: At program point L263-1(line 263) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:55,426 INFO L274 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2020-10-27 22:13:55,427 INFO L274 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-10-27 22:13:55,427 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 212 235) no Hoare annotation was computed. [2020-10-27 22:13:55,427 INFO L274 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-10-27 22:13:55,427 INFO L274 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-10-27 22:13:55,427 INFO L274 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-10-27 22:13:55,427 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 212 235) no Hoare annotation was computed. [2020-10-27 22:13:55,427 INFO L274 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2020-10-27 22:13:55,427 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 212 235) no Hoare annotation was computed. [2020-10-27 22:13:55,427 INFO L274 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-10-27 22:13:55,427 INFO L274 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-10-27 22:13:55,427 INFO L274 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-10-27 22:13:55,427 INFO L274 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-10-27 22:13:55,428 INFO L274 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-10-27 22:13:55,428 INFO L274 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-10-27 22:13:55,428 INFO L274 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2020-10-27 22:13:55,428 INFO L274 CegarLoopResult]: For program point L226(line 226) no Hoare annotation was computed. [2020-10-27 22:13:55,428 INFO L270 CegarLoopResult]: At program point L337(line 337) the Hoare annotation is: (or (and (not (= ~pumpRunning~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:55,428 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 318 342) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:55,428 INFO L274 CegarLoopResult]: For program point L337-1(lines 318 342) no Hoare annotation was computed. [2020-10-27 22:13:55,428 INFO L270 CegarLoopResult]: At program point L332(line 332) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and (<= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse0 (= |old(~pumpRunning~0)| 0)))) [2020-10-27 22:13:55,428 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 318 342) no Hoare annotation was computed. [2020-10-27 22:13:55,428 INFO L270 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0)) (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse0 (and (<= 1 processEnvironment__wrappee__methaneQuery_~tmp~2) .cse1) (and (<= ~waterLevel~0 1) .cse1))))) [2020-10-27 22:13:55,429 INFO L274 CegarLoopResult]: For program point L326(lines 326 334) no Hoare annotation was computed. [2020-10-27 22:13:55,429 INFO L270 CegarLoopResult]: At program point L324(line 324) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0))) [2020-10-27 22:13:55,429 INFO L274 CegarLoopResult]: For program point L324-1(line 324) no Hoare annotation was computed. [2020-10-27 22:13:55,429 INFO L274 CegarLoopResult]: For program point L322(lines 322 339) no Hoare annotation was computed. [2020-10-27 22:13:55,429 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 413 421) no Hoare annotation was computed. [2020-10-27 22:13:55,429 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 413 421) the Hoare annotation is: true [2020-10-27 22:13:55,429 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 413 421) no Hoare annotation was computed. [2020-10-27 22:13:55,429 INFO L274 CegarLoopResult]: For program point L441(lines 441 449) no Hoare annotation was computed. [2020-10-27 22:13:55,429 INFO L274 CegarLoopResult]: For program point L441-2(lines 441 449) no Hoare annotation was computed. [2020-10-27 22:13:55,429 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 422 457) no Hoare annotation was computed. [2020-10-27 22:13:55,429 INFO L274 CegarLoopResult]: For program point L429(lines 429 437) no Hoare annotation was computed. [2020-10-27 22:13:55,430 INFO L274 CegarLoopResult]: For program point L429-2(lines 429 437) no Hoare annotation was computed. [2020-10-27 22:13:55,430 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 422 457) no Hoare annotation was computed. [2020-10-27 22:13:55,430 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-10-27 22:13:55,430 INFO L274 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-10-27 22:13:55,430 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 422 457) no Hoare annotation was computed. [2020-10-27 22:13:55,430 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 554 560) no Hoare annotation was computed. [2020-10-27 22:13:55,430 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 554 560) the Hoare annotation is: true [2020-10-27 22:13:55,430 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 593 638) no Hoare annotation was computed. [2020-10-27 22:13:55,430 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 593 638) no Hoare annotation was computed. [2020-10-27 22:13:55,430 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 593 638) no Hoare annotation was computed. [2020-10-27 22:13:55,431 INFO L274 CegarLoopResult]: For program point L926(lines 926 933) no Hoare annotation was computed. [2020-10-27 22:13:55,432 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 906 951) no Hoare annotation was computed. [2020-10-27 22:13:55,432 INFO L274 CegarLoopResult]: For program point L920(lines 920 940) no Hoare annotation was computed. [2020-10-27 22:13:55,432 INFO L274 CegarLoopResult]: For program point L920-1(lines 920 940) no Hoare annotation was computed. [2020-10-27 22:13:55,433 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 930 931) no Hoare annotation was computed. [2020-10-27 22:13:55,433 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 937 938) no Hoare annotation was computed. [2020-10-27 22:13:55,433 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 906 951) no Hoare annotation was computed. [2020-10-27 22:13:55,433 INFO L274 CegarLoopResult]: For program point L937(lines 937 938) no Hoare annotation was computed. [2020-10-27 22:13:55,433 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 906 951) no Hoare annotation was computed. [2020-10-27 22:13:55,433 INFO L274 CegarLoopResult]: For program point L930(lines 930 931) no Hoare annotation was computed. [2020-10-27 22:13:55,434 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 244 253) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:55,434 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 244 253) no Hoare annotation was computed. [2020-10-27 22:13:55,434 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 244 253) no Hoare annotation was computed. [2020-10-27 22:13:55,434 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 402 412) the Hoare annotation is: true [2020-10-27 22:13:55,434 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 402 412) no Hoare annotation was computed. [2020-10-27 22:13:55,434 INFO L277 CegarLoopResult]: At program point L407(line 407) the Hoare annotation is: true [2020-10-27 22:13:55,434 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 402 412) no Hoare annotation was computed. [2020-10-27 22:13:55,434 INFO L274 CegarLoopResult]: For program point L407-1(line 407) no Hoare annotation was computed. [2020-10-27 22:13:55,434 INFO L270 CegarLoopResult]: At program point deactivatePumpENTRY(lines 394 401) the Hoare annotation is: (or (and (not (<= 1 ~methaneLevelCritical~0)) (not (<= (+ ~methaneLevelCritical~0 1) 0))) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (= |old(~pumpRunning~0)| 0)) [2020-10-27 22:13:55,434 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 394 401) no Hoare annotation was computed. [2020-10-27 22:13:55,435 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 394 401) no Hoare annotation was computed. [2020-10-27 22:13:55,435 INFO L274 CegarLoopResult]: For program point L168(lines 168 174) no Hoare annotation was computed. [2020-10-27 22:13:55,435 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 164 177) no Hoare annotation was computed. [2020-10-27 22:13:55,435 INFO L277 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 164 177) the Hoare annotation is: true [2020-10-27 22:13:55,435 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 164 177) no Hoare annotation was computed. [2020-10-27 22:13:55,435 INFO L274 CegarLoopResult]: For program point L352(lines 352 360) no Hoare annotation was computed. [2020-10-27 22:13:55,435 INFO L270 CegarLoopResult]: At program point L350(line 350) the Hoare annotation is: (or (and (not (= ~pumpRunning~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:55,435 INFO L274 CegarLoopResult]: For program point L350-1(line 350) no Hoare annotation was computed. [2020-10-27 22:13:55,436 INFO L274 CegarLoopResult]: For program point L348(lines 348 365) no Hoare annotation was computed. [2020-10-27 22:13:55,436 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 344 368) no Hoare annotation was computed. [2020-10-27 22:13:55,436 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 344 368) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:55,436 INFO L270 CegarLoopResult]: At program point L363(line 363) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0))) [2020-10-27 22:13:55,436 INFO L274 CegarLoopResult]: For program point L363-1(lines 344 368) no Hoare annotation was computed. [2020-10-27 22:13:55,437 INFO L270 CegarLoopResult]: At program point L358(line 358) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (and (or (<= (+ ~methaneLevelCritical~0 1) 0) (= 0 processEnvironment_~tmp~3) (<= 1 ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-27 22:13:55,437 INFO L270 CegarLoopResult]: At program point L354(line 354) the Hoare annotation is: (or (and (not (= ~pumpRunning~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (<= (+ ~methaneLevelCritical~0 1) 0) (<= 1 ~methaneLevelCritical~0))) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:55,437 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 310 316) no Hoare annotation was computed. [2020-10-27 22:13:55,437 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 310 316) the Hoare annotation is: true [2020-10-27 22:13:55,437 INFO L270 CegarLoopResult]: At program point testENTRY(lines 478 541) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-27 22:13:55,437 INFO L270 CegarLoopResult]: At program point L510(line 510) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:55,437 INFO L274 CegarLoopResult]: For program point L508(lines 508 514) no Hoare annotation was computed. [2020-10-27 22:13:55,437 INFO L274 CegarLoopResult]: For program point L508-1(lines 508 514) no Hoare annotation was computed. [2020-10-27 22:13:55,438 INFO L274 CegarLoopResult]: For program point testFINAL(lines 478 541) no Hoare annotation was computed. [2020-10-27 22:13:55,438 INFO L270 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (and .cse0 (or (<= (+ ~methaneLevelCritical~0 1) 0) (<= 1 ~methaneLevelCritical~0))) (not (= |old(~waterLevel~0)| 1)) (and (not (= ~pumpRunning~0 0)) .cse0) (not (= 1 ~systemActive~0)) (and (<= ~waterLevel~0 1) .cse0))) [2020-10-27 22:13:55,438 INFO L270 CegarLoopResult]: At program point L531(lines 488 533) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (and .cse0 (or (<= (+ ~methaneLevelCritical~0 1) 0) (<= 1 ~methaneLevelCritical~0))) (not (= |old(~waterLevel~0)| 1)) (and (not (= ~pumpRunning~0 0)) .cse0) (not (= 1 ~systemActive~0)) (and (<= ~waterLevel~0 1) .cse0))) [2020-10-27 22:13:55,438 INFO L274 CegarLoopResult]: For program point L498(lines 498 504) no Hoare annotation was computed. [2020-10-27 22:13:55,438 INFO L274 CegarLoopResult]: For program point L498-1(lines 498 504) no Hoare annotation was computed. [2020-10-27 22:13:55,438 INFO L274 CegarLoopResult]: For program point L490(lines 490 494) no Hoare annotation was computed. [2020-10-27 22:13:55,438 INFO L270 CegarLoopResult]: At program point L534(lines 487 535) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:55,438 INFO L274 CegarLoopResult]: For program point L524(lines 524 528) no Hoare annotation was computed. [2020-10-27 22:13:55,439 INFO L270 CegarLoopResult]: At program point L524-2(lines 518 529) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:55,439 INFO L274 CegarLoopResult]: For program point L489(lines 488 533) no Hoare annotation was computed. [2020-10-27 22:13:55,439 INFO L274 CegarLoopResult]: For program point L518(lines 518 529) no Hoare annotation was computed. [2020-10-27 22:13:55,440 INFO L274 CegarLoopResult]: For program point testEXIT(lines 478 541) no Hoare annotation was computed. [2020-10-27 22:13:55,440 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 884 885) no Hoare annotation was computed. [2020-10-27 22:13:55,440 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 891 892) no Hoare annotation was computed. [2020-10-27 22:13:55,440 INFO L274 CegarLoopResult]: For program point L891(lines 891 892) no Hoare annotation was computed. [2020-10-27 22:13:55,440 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 860 905) no Hoare annotation was computed. [2020-10-27 22:13:55,440 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 860 905) no Hoare annotation was computed. [2020-10-27 22:13:55,440 INFO L274 CegarLoopResult]: For program point L884(lines 884 885) no Hoare annotation was computed. [2020-10-27 22:13:55,440 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 860 905) no Hoare annotation was computed. [2020-10-27 22:13:55,440 INFO L274 CegarLoopResult]: For program point L880(lines 880 887) no Hoare annotation was computed. [2020-10-27 22:13:55,441 INFO L274 CegarLoopResult]: For program point L874(lines 874 894) no Hoare annotation was computed. [2020-10-27 22:13:55,441 INFO L274 CegarLoopResult]: For program point L874-1(lines 874 894) no Hoare annotation was computed. [2020-10-27 22:13:55,441 INFO L270 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 369 376) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:55,441 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 369 376) no Hoare annotation was computed. [2020-10-27 22:13:55,441 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 369 376) no Hoare annotation was computed. [2020-10-27 22:13:55,441 INFO L274 CegarLoopResult]: For program point L140(lines 140 148) no Hoare annotation was computed. [2020-10-27 22:13:55,442 INFO L274 CegarLoopResult]: For program point L140-2(lines 140 148) no Hoare annotation was computed. [2020-10-27 22:13:55,442 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 132 154) no Hoare annotation was computed. [2020-10-27 22:13:55,442 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 132 154) no Hoare annotation was computed. [2020-10-27 22:13:55,442 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 132 154) no Hoare annotation was computed. [2020-10-27 22:13:55,442 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 544 553) no Hoare annotation was computed. [2020-10-27 22:13:55,442 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 544 553) no Hoare annotation was computed. [2020-10-27 22:13:55,442 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 544 553) no Hoare annotation was computed. [2020-10-27 22:13:55,442 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 757 859) no Hoare annotation was computed. [2020-10-27 22:13:55,442 INFO L274 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-10-27 22:13:55,442 INFO L274 CegarLoopResult]: For program point L822-1(line 822) no Hoare annotation was computed. [2020-10-27 22:13:55,442 INFO L274 CegarLoopResult]: For program point L781(lines 781 785) no Hoare annotation was computed. [2020-10-27 22:13:55,443 INFO L274 CegarLoopResult]: For program point L845(lines 845 856) no Hoare annotation was computed. [2020-10-27 22:13:55,443 INFO L274 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2020-10-27 22:13:55,443 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 757 859) no Hoare annotation was computed. [2020-10-27 22:13:55,443 INFO L274 CegarLoopResult]: For program point L806-2(lines 806 826) no Hoare annotation was computed. [2020-10-27 22:13:55,443 INFO L274 CegarLoopResult]: For program point L827(lines 805 828) no Hoare annotation was computed. [2020-10-27 22:13:55,443 INFO L274 CegarLoopResult]: For program point L786(lines 786 802) no Hoare annotation was computed. [2020-10-27 22:13:55,443 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 757 859) no Hoare annotation was computed. [2020-10-27 22:13:55,443 INFO L274 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2020-10-27 22:13:55,443 INFO L274 CegarLoopResult]: For program point L807(lines 806 826) no Hoare annotation was computed. [2020-10-27 22:13:55,443 INFO L274 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-10-27 22:13:55,444 INFO L274 CegarLoopResult]: For program point L838-1(line 838) no Hoare annotation was computed. [2020-10-27 22:13:55,444 INFO L274 CegarLoopResult]: For program point L803(lines 803 844) no Hoare annotation was computed. [2020-10-27 22:13:55,444 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:13:55,445 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string79.offset| |old(#t~string79.offset)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string78.base| |old(#t~string78.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string78.offset| |old(#t~string78.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string77.base| |old(#t~string77.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string79.base| |old(#t~string79.base)|)) [2020-10-27 22:13:55,445 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:13:55,445 INFO L274 CegarLoopResult]: For program point L384(lines 384 390) no Hoare annotation was computed. [2020-10-27 22:13:55,445 INFO L270 CegarLoopResult]: At program point L382(line 382) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:55,445 INFO L274 CegarLoopResult]: For program point L382-1(line 382) no Hoare annotation was computed. [2020-10-27 22:13:55,445 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 377 393) no Hoare annotation was computed. [2020-10-27 22:13:55,445 INFO L270 CegarLoopResult]: At program point activatePumpENTRY(lines 377 393) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:55,445 INFO L270 CegarLoopResult]: At program point L388(line 388) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (and (or (<= activatePump_~tmp~4 0) (<= activatePump_~tmp~4 ~methaneLevelCritical~0)) (or (<= ~methaneLevelCritical~0 activatePump_~tmp~4) (< 0 (+ activatePump_~tmp~4 1))) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-27 22:13:55,446 INFO L274 CegarLoopResult]: For program point L388-1(lines 377 393) no Hoare annotation was computed. [2020-10-27 22:13:55,446 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 155 163) the Hoare annotation is: true [2020-10-27 22:13:55,446 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 155 163) no Hoare annotation was computed. [2020-10-27 22:13:55,446 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 155 163) no Hoare annotation was computed. [2020-10-27 22:13:55,446 INFO L277 CegarLoopResult]: At program point L465(line 465) the Hoare annotation is: true [2020-10-27 22:13:55,446 INFO L274 CegarLoopResult]: For program point L467-2(lines 467 471) no Hoare annotation was computed. [2020-10-27 22:13:55,446 INFO L274 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 458 476) no Hoare annotation was computed. [2020-10-27 22:13:55,446 INFO L274 CegarLoopResult]: For program point L465-1(line 465) no Hoare annotation was computed. [2020-10-27 22:13:55,446 INFO L277 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 458 476) the Hoare annotation is: true [2020-10-27 22:13:55,446 INFO L274 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 458 476) no Hoare annotation was computed. [2020-10-27 22:13:55,446 INFO L274 CegarLoopResult]: For program point L467(lines 467 471) no Hoare annotation was computed. [2020-10-27 22:13:55,447 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 111 122) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-27 22:13:55,447 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 111 122) no Hoare annotation was computed. [2020-10-27 22:13:55,448 INFO L274 CegarLoopResult]: For program point L115-1(lines 111 122) no Hoare annotation was computed. [2020-10-27 22:13:55,448 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:13:55,448 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-27 22:13:55,448 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:13:55,448 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 123 131) the Hoare annotation is: true [2020-10-27 22:13:55,448 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 123 131) no Hoare annotation was computed. [2020-10-27 22:13:55,448 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 123 131) no Hoare annotation was computed. [2020-10-27 22:13:55,448 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 286 309) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:55,448 INFO L270 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0)))) (and (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (and (not (= ~pumpRunning~0 0)) .cse0) .cse1)) (or (<= ~waterLevel~0 1) (not (<= |old(~waterLevel~0)| 1)) .cse1))) [2020-10-27 22:13:55,448 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 286 309) no Hoare annotation was computed. [2020-10-27 22:13:55,449 INFO L270 CegarLoopResult]: At program point L297(lines 297 303) the Hoare annotation is: (let ((.cse4 (not (= ~pumpRunning~0 0))) (.cse6 (= 1 ~systemActive~0))) (let ((.cse0 (and .cse4 .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (and .cse6 (or (<= (+ ~methaneLevelCritical~0 1) 0) (<= 1 ~methaneLevelCritical~0)))) (.cse5 (<= ~waterLevel~0 1)) (.cse2 (not .cse6))) (and (or .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| 0)) (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse3 .cse4) (and .cse5 .cse3) .cse1 .cse2)) (or .cse5 (not (<= |old(~waterLevel~0)| 1)) .cse2)))) [2020-10-27 22:13:55,449 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 286 309) no Hoare annotation was computed. [2020-10-27 22:13:55,449 INFO L270 CegarLoopResult]: At program point L292(line 292) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:55,449 INFO L274 CegarLoopResult]: For program point L290(lines 289 308) no Hoare annotation was computed. [2020-10-27 22:13:55,449 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-27 22:13:55,450 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 181 210) no Hoare annotation was computed. [2020-10-27 22:13:55,450 INFO L277 CegarLoopResult]: At program point L191-2(lines 191 205) the Hoare annotation is: true [2020-10-27 22:13:55,450 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 181 210) the Hoare annotation is: true [2020-10-27 22:13:55,451 INFO L277 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: true [2020-10-27 22:13:55,451 INFO L274 CegarLoopResult]: For program point L187-1(line 187) no Hoare annotation was computed. [2020-10-27 22:13:55,451 INFO L277 CegarLoopResult]: At program point L206(lines 181 210) the Hoare annotation is: true [2020-10-27 22:13:55,451 INFO L274 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-27 22:13:55,451 INFO L274 CegarLoopResult]: For program point L195(lines 195 199) no Hoare annotation was computed. [2020-10-27 22:13:55,451 INFO L277 CegarLoopResult]: At program point L195-1(lines 195 199) the Hoare annotation is: true [2020-10-27 22:13:55,451 INFO L274 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-10-27 22:13:55,451 INFO L270 CegarLoopResult]: At program point L63(line 63) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (not (<= 1 ~methaneLevelCritical~0)) (not (<= (+ ~methaneLevelCritical~0 1) 0))) .cse0) (or .cse0 (not (<= ~waterLevel~0 1))))) [2020-10-27 22:13:55,451 INFO L274 CegarLoopResult]: For program point L63-1(line 63) no Hoare annotation was computed. [2020-10-27 22:13:55,451 INFO L274 CegarLoopResult]: For program point L61(lines 61 74) no Hoare annotation was computed. [2020-10-27 22:13:55,452 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 46 78) no Hoare annotation was computed. [2020-10-27 22:13:55,452 INFO L274 CegarLoopResult]: For program point L61-1(lines 46 78) no Hoare annotation was computed. [2020-10-27 22:13:55,452 INFO L270 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (or (and (not (<= 1 ~methaneLevelCritical~0)) (not (<= (+ ~methaneLevelCritical~0 1) 0))) (not (= 1 ~systemActive~0))) [2020-10-27 22:13:55,452 INFO L274 CegarLoopResult]: For program point L59-1(line 59) no Hoare annotation was computed. [2020-10-27 22:13:55,452 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 46 78) the Hoare annotation is: true [2020-10-27 22:13:55,452 INFO L274 CegarLoopResult]: For program point L55(lines 55 75) no Hoare annotation was computed. [2020-10-27 22:13:55,452 INFO L277 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: true [2020-10-27 22:13:55,452 INFO L274 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-10-27 22:13:55,452 INFO L270 CegarLoopResult]: At program point L69(line 69) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or (and (not (<= 1 ~methaneLevelCritical~0)) (not (<= (+ ~methaneLevelCritical~0 1) 0))) .cse0) (or .cse0 (not (<= ~waterLevel~0 1))))) [2020-10-27 22:13:55,452 INFO L270 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 87 98) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-27 22:13:55,453 INFO L274 CegarLoopResult]: For program point L91-1(lines 87 98) no Hoare annotation was computed. [2020-10-27 22:13:55,453 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 87 98) no Hoare annotation was computed. [2020-10-27 22:13:55,453 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 236 242) no Hoare annotation was computed. [2020-10-27 22:13:55,453 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 236 242) the Hoare annotation is: true [2020-10-27 22:13:55,453 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 22:13:55,453 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2020-10-27 22:13:55,453 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 22:13:55,453 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 22:13:55,453 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 99 110) no Hoare annotation was computed. [2020-10-27 22:13:55,453 INFO L274 CegarLoopResult]: For program point L103-1(lines 99 110) no Hoare annotation was computed. [2020-10-27 22:13:55,454 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 99 110) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and (not (<= 1 ~methaneLevelCritical~0)) (not (<= (+ ~methaneLevelCritical~0 1) 0))) .cse1) (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse1))) [2020-10-27 22:13:55,454 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 578 585) no Hoare annotation was computed. [2020-10-27 22:13:55,454 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 578 585) the Hoare annotation is: true [2020-10-27 22:13:55,454 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-27 22:13:55,454 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 578 585) no Hoare annotation was computed. [2020-10-27 22:13:55,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 10:13:55 BoogieIcfgContainer [2020-10-27 22:13:55,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 22:13:55,484 INFO L168 Benchmark]: Toolchain (without parser) took 115786.20 ms. Allocated memory was 151.0 MB in the beginning and 803.2 MB in the end (delta: 652.2 MB). Free memory was 125.6 MB in the beginning and 336.6 MB in the end (delta: -211.0 MB). Peak memory consumption was 508.1 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:55,491 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 124.4 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 22:13:55,494 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.49 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 103.6 MB in the end (delta: 21.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:55,494 INFO L168 Benchmark]: Boogie Preprocessor took 108.27 ms. Allocated memory is still 151.0 MB. Free memory was 103.6 MB in the beginning and 99.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:55,496 INFO L168 Benchmark]: RCFGBuilder took 1663.49 ms. Allocated memory is still 151.0 MB. Free memory was 99.7 MB in the beginning and 127.5 MB in the end (delta: -27.8 MB). Peak memory consumption was 56.1 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:55,496 INFO L168 Benchmark]: TraceAbstraction took 113256.76 ms. Allocated memory was 151.0 MB in the beginning and 803.2 MB in the end (delta: 652.2 MB). Free memory was 127.0 MB in the beginning and 336.6 MB in the end (delta: -209.6 MB). Peak memory consumption was 509.3 MB. Max. memory is 8.0 GB. [2020-10-27 22:13:55,502 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 124.4 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 736.49 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 103.6 MB in the end (delta: 21.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 108.27 ms. Allocated memory is still 151.0 MB. Free memory was 103.6 MB in the beginning and 99.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1663.49 ms. Allocated memory is still 151.0 MB. Free memory was 99.7 MB in the beginning and 127.5 MB in the end (delta: -27.8 MB). Peak memory consumption was 56.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 113256.76 ms. Allocated memory was 151.0 MB in the beginning and 803.2 MB in the end (delta: 652.2 MB). Free memory was 127.0 MB in the beginning and 336.6 MB in the end (delta: -209.6 MB). Peak memory consumption was 509.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 891]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 884]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 930]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 937]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: ((((splverifierCounter <= 0 && (methaneLevelCritical + 1 <= 0 || 1 <= methaneLevelCritical)) || !(\old(waterLevel) == 1)) || (!(pumpRunning == 0) && splverifierCounter <= 0)) || !(1 == systemActive)) || (waterLevel <= 1 && splverifierCounter <= 0) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: !(\old(waterLevel) == 1) || !(1 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 247 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 73.1s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 40.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 40.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1408 SDtfs, 2466 SDslu, 1719 SDs, 0 SdLazy, 8725 SolverSat, 1694 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 386 GetRequests, 254 SyntacticMatches, 1 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 18.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=947occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 912 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 2902 PreInvPairs, 3442 NumberOfFragments, 1022 HoareAnnotationTreeSize, 2902 FomulaSimplifications, 28838342 FormulaSimplificationTreeSizeReduction, 16.6s HoareSimplificationTime, 63 FomulaSimplificationsInter, 217801 FormulaSimplificationTreeSizeReductionInter, 23.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 29.8s InterpolantComputationTime, 743 NumberOfCodeBlocks, 743 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 733 ConstructedInterpolants, 0 QuantifiedInterpolants, 246093 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 6/6 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 correct! Received shutdown request...