/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:38:06,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:38:06,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:38:06,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:38:06,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:38:06,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:38:06,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:38:06,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:38:06,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:38:06,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:38:06,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:38:06,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:38:06,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:38:06,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:38:06,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:38:06,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:38:06,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:38:06,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:38:06,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:38:06,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:38:06,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:38:06,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:38:06,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:38:06,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:38:06,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:38:06,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:38:06,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:38:06,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:38:06,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:38:06,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:38:06,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:38:06,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:38:06,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:38:06,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:38:06,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:38:06,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:38:06,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:38:06,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:38:06,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:38:06,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:38:06,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:38:06,899 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 11:38:06,949 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:38:06,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:38:06,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:38:06,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:38:06,954 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:38:06,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:38:06,954 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:38:06,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:38:06,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:38:06,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:38:06,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:38:06,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:38:06,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:38:06,957 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:38:06,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:38:06,958 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:38:06,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:38:06,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:38:06,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:38:06,958 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:38:06,959 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:38:06,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:38:06,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:38:06,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:38:06,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:38:06,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:38:06,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:38:06,961 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:38:06,961 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:38:06,961 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:38:07,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:38:07,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:38:07,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:38:07,402 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:38:07,403 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:38:07,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c [2020-10-29 11:38:07,485 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc387f6ef/df72c7c4fbf24aefacc9bf6bd308f91f/FLAG33b2b4dec [2020-10-29 11:38:08,274 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:38:08,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c [2020-10-29 11:38:08,298 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc387f6ef/df72c7c4fbf24aefacc9bf6bd308f91f/FLAG33b2b4dec [2020-10-29 11:38:08,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cc387f6ef/df72c7c4fbf24aefacc9bf6bd308f91f [2020-10-29 11:38:08,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:38:08,526 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:38:08,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:38:08,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:38:08,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:38:08,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:38:08" (1/1) ... [2020-10-29 11:38:08,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af28c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:08, skipping insertion in model container [2020-10-29 11:38:08,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:38:08" (1/1) ... [2020-10-29 11:38:08,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:38:08,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:38:08,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:38:08,958 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:38:09,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:38:09,132 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:38:09,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:09 WrapperNode [2020-10-29 11:38:09,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:38:09,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:38:09,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:38:09,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:38:09,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:09" (1/1) ... [2020-10-29 11:38:09,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:09" (1/1) ... [2020-10-29 11:38:09,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:09" (1/1) ... [2020-10-29 11:38:09,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:09" (1/1) ... [2020-10-29 11:38:09,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:09" (1/1) ... [2020-10-29 11:38:09,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:09" (1/1) ... [2020-10-29 11:38:09,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:09" (1/1) ... [2020-10-29 11:38:09,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:38:09,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:38:09,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:38:09,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:38:09,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:38:09,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:38:09,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:38:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 11:38:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:38:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-29 11:38:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-29 11:38:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-29 11:38:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-29 11:38:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-29 11:38:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-29 11:38:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-29 11:38:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 11:38:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 11:38:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 11:38:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 11:38:09,338 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:38:09,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 11:38:09,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 11:38:09,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 11:38:09,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 11:38:09,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 11:38:09,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 11:38:09,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 11:38:09,339 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 11:38:09,339 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 11:38:09,339 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-29 11:38:09,340 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-29 11:38:09,340 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-29 11:38:09,340 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-29 11:38:09,340 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-29 11:38:09,340 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-29 11:38:09,340 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-29 11:38:09,340 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-29 11:38:09,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-29 11:38:09,341 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 11:38:09,341 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 11:38:09,341 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 11:38:09,341 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 11:38:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:38:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:38:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:38:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:38:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:38:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 11:38:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-29 11:38:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-29 11:38:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-29 11:38:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-29 11:38:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-29 11:38:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-29 11:38:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-29 11:38:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 11:38:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 11:38:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-29 11:38:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 11:38:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 11:38:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 11:38:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 11:38:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 11:38:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 11:38:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 11:38:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:38:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 11:38:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 11:38:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 11:38:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 11:38:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 11:38:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:38:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 11:38:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 11:38:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:38:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 11:38:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 11:38:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:38:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 11:38:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 11:38:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 11:38:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 11:38:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-29 11:38:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-29 11:38:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-29 11:38:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-29 11:38:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-29 11:38:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-29 11:38:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-29 11:38:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-29 11:38:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 11:38:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:38:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:38:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:38:10,981 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:38:10,982 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-29 11:38:10,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:38:10 BoogieIcfgContainer [2020-10-29 11:38:10,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:38:10,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:38:10,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:38:10,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:38:10,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:38:08" (1/3) ... [2020-10-29 11:38:10,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f569cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:38:10, skipping insertion in model container [2020-10-29 11:38:10,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:38:09" (2/3) ... [2020-10-29 11:38:10,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f569cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:38:10, skipping insertion in model container [2020-10-29 11:38:10,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:38:10" (3/3) ... [2020-10-29 11:38:10,994 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33.cil.c [2020-10-29 11:38:11,007 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:38:11,013 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 11:38:11,027 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 11:38:11,056 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:38:11,056 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:38:11,056 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:38:11,057 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:38:11,057 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:38:11,057 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:38:11,057 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:38:11,057 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:38:11,081 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2020-10-29 11:38:11,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-29 11:38:11,092 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:38:11,093 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] [2020-10-29 11:38:11,094 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:38:11,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:38:11,101 INFO L82 PathProgramCache]: Analyzing trace with hash 805188370, now seen corresponding path program 1 times [2020-10-29 11:38:11,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:38:11,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1141454508] [2020-10-29 11:38:11,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:38:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:11,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:11,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:11,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:14,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:14,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-29 11:38:14,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:38:14,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3156 [2020-10-29 11:38:14,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:14,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:14,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:14,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:14,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 11:38:14,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-10-29 11:38:15,057 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:38:15,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:38:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:15,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:15,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:15,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:15,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:15,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-29 11:38:15,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:15,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:15,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:15,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:15,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:38:15,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:15,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:38:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:15,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:15,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:15,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:15,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:15,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:38:15,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:15,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:15,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:15,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:15,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:15,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:15,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:38:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:15,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:15,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:15,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:15,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:15,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:15,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:15,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:15,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:15,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:15,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:15,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:15,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:38:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:15,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:15,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:15,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:15,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:15,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:38:15,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:15,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:15,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:15,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:15,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:38:15,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:15,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:38:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:15,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:15,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:15,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:15,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:15,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:38:15,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:15,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:15,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:15,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:15,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:15,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:15,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:38:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:15,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:15,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:15,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:15,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:15,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:15,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:15,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:15,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:15,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:15,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:15,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:15,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:38:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:15,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:15,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:15,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:15,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:15,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:15,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:15,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:15,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:15,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:15,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:15,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:15,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-29 11:38:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:15,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:15,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:15,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:15,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:15,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:15,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:15,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:15,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:15,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:15,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:15,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:15,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:38:15,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1141454508] [2020-10-29 11:38:15,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:38:15,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 11:38:15,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302011086] [2020-10-29 11:38:15,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 11:38:15,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:38:15,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 11:38:15,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 11:38:15,432 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 4 states. [2020-10-29 11:38:15,858 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:38:16,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:38:16,966 INFO L93 Difference]: Finished difference Result 266 states and 351 transitions. [2020-10-29 11:38:16,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 11:38:16,968 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-10-29 11:38:16,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:38:16,982 INFO L225 Difference]: With dead ends: 266 [2020-10-29 11:38:16,983 INFO L226 Difference]: Without dead ends: 142 [2020-10-29 11:38:16,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 11:38:17,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-29 11:38:17,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 112. [2020-10-29 11:38:17,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-29 11:38:17,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2020-10-29 11:38:17,097 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 53 [2020-10-29 11:38:17,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:38:17,098 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2020-10-29 11:38:17,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 11:38:17,098 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2020-10-29 11:38:17,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-29 11:38:17,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:38:17,106 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] [2020-10-29 11:38:17,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:38:17,107 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:38:17,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:38:17,107 INFO L82 PathProgramCache]: Analyzing trace with hash 708102730, now seen corresponding path program 1 times [2020-10-29 11:38:17,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:38:17,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [768324860] [2020-10-29 11:38:17,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:38:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:17,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:17,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:17,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:18,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:22,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:22,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-29 11:38:22,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:38:22,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 11:38:22,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:22,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:22,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:38:22,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:22,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-29 11:38:22,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:22,534 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:38:22,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:38:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:22,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:22,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:22,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:22,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:22,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-29 11:38:22,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:22,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:22,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:22,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:22,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:38:22,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:22,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:38:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:22,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:22,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:22,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:22,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:22,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:22,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:22,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:22,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:22,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:22,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:22,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:22,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:38:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:22,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:22,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:22,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:22,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:22,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:22,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:22,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:22,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:22,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:22,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:22,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:22,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:38:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:22,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:22,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:22,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:22,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:22,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:22,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:22,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:22,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:22,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:22,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:38:22,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:22,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:38:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:22,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:22,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:22,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:22,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:22,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:22,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:22,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:22,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:22,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:22,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:22,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:22,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 11:38:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:22,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:22,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:22,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:38:22,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:22,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:22,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:22,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:22,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:22,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:22,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:38:22,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:22,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:38:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:22,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:22,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:22,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:22,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:22,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:22,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:22,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:22,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:22,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:22,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:22,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:22,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 11:38:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:22,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:22,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:22,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:22,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:22,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:22,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:22,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:22,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:22,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:22,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:38:22,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:22,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 11:38:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:22,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:22,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:22,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:22,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:22,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:38:22,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:22,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:22,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:38:22,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:22,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:38:22,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:22,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 11:38:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:22,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:22,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:22,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:22,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:22,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:22,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:22,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:22,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:22,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:22,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:22,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:22,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:38:22,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [768324860] [2020-10-29 11:38:22,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:38:22,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:38:22,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513649220] [2020-10-29 11:38:22,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:38:22,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:38:22,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:38:22,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:38:22,837 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 8 states. [2020-10-29 11:38:23,365 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:38:24,760 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:38:25,118 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:38:25,437 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:38:25,735 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:38:26,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:38:26,859 INFO L93 Difference]: Finished difference Result 352 states and 484 transitions. [2020-10-29 11:38:26,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 11:38:26,860 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 62 [2020-10-29 11:38:26,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:38:26,867 INFO L225 Difference]: With dead ends: 352 [2020-10-29 11:38:26,867 INFO L226 Difference]: Without dead ends: 264 [2020-10-29 11:38:26,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-29 11:38:26,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-10-29 11:38:27,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 197. [2020-10-29 11:38:27,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-29 11:38:27,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 239 transitions. [2020-10-29 11:38:27,015 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 239 transitions. Word has length 62 [2020-10-29 11:38:27,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:38:27,016 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 239 transitions. [2020-10-29 11:38:27,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:38:27,016 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 239 transitions. [2020-10-29 11:38:27,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-29 11:38:27,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:38:27,029 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] [2020-10-29 11:38:27,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:38:27,030 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:38:27,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:38:27,031 INFO L82 PathProgramCache]: Analyzing trace with hash -237925106, now seen corresponding path program 1 times [2020-10-29 11:38:27,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:38:27,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2054224179] [2020-10-29 11:38:27,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:38:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:27,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:27,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:28,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:32,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:32,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 11:38:32,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:38:32,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-29 11:38:32,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:32,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:32,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-29 11:38:32,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:32,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 11:38:32,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:32,459 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:38:32,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:38:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:32,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:32,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:32,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:32,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:32,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-29 11:38:32,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:32,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:32,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:32,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:32,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:38:32,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:32,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:38:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:32,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:32,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:32,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:32,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:32,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:32,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:32,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:32,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:32,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:32,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:32,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 11:38:32,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:38:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:32,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:32,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:32,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:32,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:32,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:38:32,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:32,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:32,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:32,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:32,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:32,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:32,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:38:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:32,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:32,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:32,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:32,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:32,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:32,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:32,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:32,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:32,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:32,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:38:32,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:32,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:38:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:32,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:32,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:32,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:32,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:32,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:38:32,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:32,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:32,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:32,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:32,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:32,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:32,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 11:38:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:32,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:32,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:32,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:32,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:32,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:38:32,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:32,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:32,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:38:32,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:38:32,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:38:32,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:32,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 11:38:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:32,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:32,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:32,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:38:32,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:32,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:32,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:32,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:32,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:32,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:32,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:38:32,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:32,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:38:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:32,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:32,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:32,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:32,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:32,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:32,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:32,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:32,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:32,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:32,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:32,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:32,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 11:38:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:32,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:32,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:32,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:32,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:32,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:38:32,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:32,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:32,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:32,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:32,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:38:32,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:32,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 11:38:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:32,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:32,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:32,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:32,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:32,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:38:32,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:32,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:32,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:38:32,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:32,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:38:32,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:32,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 11:38:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:32,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:32,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:32,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:32,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:32,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:32,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:32,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:32,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:32,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:32,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:32,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:32,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:38:32,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2054224179] [2020-10-29 11:38:32,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:38:32,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 11:38:32,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921958876] [2020-10-29 11:38:32,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 11:38:32,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:38:32,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 11:38:32,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-29 11:38:32,778 INFO L87 Difference]: Start difference. First operand 197 states and 239 transitions. Second operand 11 states. [2020-10-29 11:38:33,275 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:38:34,117 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:38:35,182 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 205 [2020-10-29 11:38:35,642 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:38:36,065 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:38:36,417 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:38:36,734 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:38:37,143 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:38:37,454 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:38:37,747 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:38:38,221 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:38:39,078 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-29 11:38:39,716 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-29 11:38:42,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:38:42,347 INFO L93 Difference]: Finished difference Result 586 states and 890 transitions. [2020-10-29 11:38:42,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-29 11:38:42,347 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 70 [2020-10-29 11:38:42,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:38:42,356 INFO L225 Difference]: With dead ends: 586 [2020-10-29 11:38:42,356 INFO L226 Difference]: Without dead ends: 442 [2020-10-29 11:38:42,361 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=226, Invalid=766, Unknown=0, NotChecked=0, Total=992 [2020-10-29 11:38:42,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-10-29 11:38:42,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 326. [2020-10-29 11:38:42,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-10-29 11:38:42,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 396 transitions. [2020-10-29 11:38:42,497 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 396 transitions. Word has length 70 [2020-10-29 11:38:42,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:38:42,498 INFO L481 AbstractCegarLoop]: Abstraction has 326 states and 396 transitions. [2020-10-29 11:38:42,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 11:38:42,498 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 396 transitions. [2020-10-29 11:38:42,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-29 11:38:42,503 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:38:42,503 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] [2020-10-29 11:38:42,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 11:38:42,503 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:38:42,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:38:42,504 INFO L82 PathProgramCache]: Analyzing trace with hash 377428078, now seen corresponding path program 1 times [2020-10-29 11:38:42,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:38:42,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1300130668] [2020-10-29 11:38:42,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:38:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:42,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:42,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:43,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:44,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:44,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 11:38:44,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:38:44,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2148 [2020-10-29 11:38:44,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:44,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:44,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 11:38:44,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:44,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 11:38:44,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:44,983 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:38:44,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:38:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:45,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:45,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:45,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:45,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:45,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-29 11:38:45,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:45,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:45,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:45,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:45,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:38:45,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:45,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:38:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:45,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:45,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:45,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:45,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:45,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:45,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:45,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:45,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:45,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:45,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:45,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:45,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:38:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:45,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:45,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:45,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:45,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:45,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:45,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:45,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:45,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:45,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:45,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:45,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:45,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:38:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:45,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:45,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:45,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:45,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:45,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:45,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:45,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:45,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:45,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:45,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:38:45,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:45,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:38:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:45,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:45,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:45,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:45,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:45,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:45,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:45,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:45,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:45,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:45,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:45,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:45,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:38:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:45,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:45,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:45,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:45,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:45,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:45,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:45,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:45,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:45,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:45,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:38:45,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:45,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 11:38:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:45,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:45,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:45,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:38:45,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:45,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:38:45,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:45,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:45,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:38:45,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:38:45,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:38:45,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:45,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:38:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:45,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:45,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:45,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:45,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:45,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:45,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:45,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:45,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:45,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:45,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:45,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:45,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 11:38:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:45,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:45,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:45,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:45,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:45,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:45,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:45,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:45,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:45,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:45,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:45,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:45,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 11:38:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:45,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:45,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:45,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:45,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:45,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:45,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:45,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:45,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:45,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:45,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:45,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:45,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 11:38:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:45,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:45,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:45,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:45,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:45,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:45,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:45,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:45,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:45,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:45,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:45,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:45,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:38:45,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1300130668] [2020-10-29 11:38:45,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:38:45,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:38:45,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223527817] [2020-10-29 11:38:45,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:38:45,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:38:45,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:38:45,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:38:45,230 INFO L87 Difference]: Start difference. First operand 326 states and 396 transitions. Second operand 8 states. [2020-10-29 11:38:45,639 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:38:47,001 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:38:48,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:38:48,153 INFO L93 Difference]: Finished difference Result 910 states and 1193 transitions. [2020-10-29 11:38:48,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 11:38:48,154 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 70 [2020-10-29 11:38:48,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:38:48,162 INFO L225 Difference]: With dead ends: 910 [2020-10-29 11:38:48,163 INFO L226 Difference]: Without dead ends: 608 [2020-10-29 11:38:48,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:38:48,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2020-10-29 11:38:48,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 553. [2020-10-29 11:38:48,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2020-10-29 11:38:48,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 673 transitions. [2020-10-29 11:38:48,368 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 673 transitions. Word has length 70 [2020-10-29 11:38:48,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:38:48,371 INFO L481 AbstractCegarLoop]: Abstraction has 553 states and 673 transitions. [2020-10-29 11:38:48,371 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:38:48,372 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 673 transitions. [2020-10-29 11:38:48,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-29 11:38:48,376 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:38:48,376 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] [2020-10-29 11:38:48,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 11:38:48,377 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:38:48,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:38:48,377 INFO L82 PathProgramCache]: Analyzing trace with hash -2142422992, now seen corresponding path program 1 times [2020-10-29 11:38:48,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:38:48,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [796873037] [2020-10-29 11:38:48,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:38:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:48,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:48,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:51,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:51,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 11:38:51,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:38:51,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3172 [2020-10-29 11:38:51,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:51,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:51,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 11:38:51,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:51,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 11:38:51,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:51,909 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:38:51,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:38:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:51,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:52,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:52,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:52,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:52,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-29 11:38:52,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:52,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:52,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:52,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:52,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:38:52,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:52,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:38:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:52,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:52,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:52,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:52,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:52,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:52,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:52,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:52,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:52,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:52,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:52,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:52,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:38:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:52,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:52,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:52,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:52,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:52,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:52,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:52,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:52,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:52,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:52,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:52,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:52,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:38:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:52,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:52,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:52,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:52,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:52,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:52,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:52,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:52,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:52,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:52,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:38:52,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:52,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:38:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:52,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:52,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:52,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:52,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:52,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:52,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:52,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:52,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:52,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:52,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:52,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:52,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:38:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:52,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:52,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:52,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:52,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:52,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:38:52,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:52,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:52,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:38:52,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:38:52,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:38:52,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:52,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 11:38:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:52,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:52,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:52,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 11:38:52,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:52,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:38:52,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:52,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:52,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:52,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 11:38:52,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 11:38:52,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:52,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:38:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:52,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:52,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:52,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:38:52,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:52,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:38:52,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:52,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:52,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:52,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:52,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 11:38:52,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:52,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:38:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:52,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:52,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:52,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:38:52,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:52,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:38:52,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:52,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:52,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:52,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:52,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 11:38:52,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:52,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:38:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:52,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:52,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:52,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:52,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:52,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:52,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:52,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:52,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:38:52,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:52,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:38:52,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:52,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 11:38:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:52,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:52,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:52,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:52,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:52,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:52,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:52,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:52,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:52,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:52,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:52,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:52,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 11:38:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:52,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:52,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:52,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:52,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:52,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:52,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:52,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:52,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:52,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:52,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:52,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:52,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 11:38:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:52,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:52,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:52,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:52,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:52,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:52,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:52,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:52,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:52,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:52,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:52,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:52,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:38:52,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [796873037] [2020-10-29 11:38:52,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:38:52,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 11:38:52,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845620035] [2020-10-29 11:38:52,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:38:52,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:38:52,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:38:52,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:38:52,172 INFO L87 Difference]: Start difference. First operand 553 states and 673 transitions. Second operand 9 states. [2020-10-29 11:38:52,570 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:38:53,123 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:38:54,763 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:38:55,750 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2020-10-29 11:38:57,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:38:57,735 INFO L93 Difference]: Finished difference Result 1232 states and 1602 transitions. [2020-10-29 11:38:57,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-29 11:38:57,736 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-10-29 11:38:57,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:38:57,742 INFO L225 Difference]: With dead ends: 1232 [2020-10-29 11:38:57,742 INFO L226 Difference]: Without dead ends: 811 [2020-10-29 11:38:57,745 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2020-10-29 11:38:57,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2020-10-29 11:38:57,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 700. [2020-10-29 11:38:57,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 700 states. [2020-10-29 11:38:57,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 858 transitions. [2020-10-29 11:38:57,932 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 858 transitions. Word has length 84 [2020-10-29 11:38:57,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:38:57,933 INFO L481 AbstractCegarLoop]: Abstraction has 700 states and 858 transitions. [2020-10-29 11:38:57,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:38:57,933 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 858 transitions. [2020-10-29 11:38:57,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-29 11:38:57,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:38:57,935 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] [2020-10-29 11:38:57,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 11:38:57,935 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:38:57,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:38:57,936 INFO L82 PathProgramCache]: Analyzing trace with hash -509618993, now seen corresponding path program 1 times [2020-10-29 11:38:57,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:38:57,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [25890701] [2020-10-29 11:38:57,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:38:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:57,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:58,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:58,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 11:38:58,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:58,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-29 11:38:58,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:58,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:58,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:38:58,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-29 11:38:58,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:38:58,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:58,507 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:38:58,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:38:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:58,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:58,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:58,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:58,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:58,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 11:38:58,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:58,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:58,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:58,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:58,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:58,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:58,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:38:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:58,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:58,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:58,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:58,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:58,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:38:58,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:58,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:58,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:58,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:58,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:58,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:58,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:38:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:58,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:58,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:58,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:58,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:58,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:38:58,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:58,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:58,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:58,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:58,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:58,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:38:58,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:38:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:58,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:58,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:58,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:58,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:58,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:58,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:58,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:58,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:58,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:58,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:58,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:58,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:38:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:58,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:58,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:58,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:58,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:58,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:58,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:58,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:58,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:58,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:58,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:58,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:58,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:38:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:58,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:58,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:58,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:58,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:58,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:58,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:58,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:58,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:58,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:58,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:58,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:58,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 11:38:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:58,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:58,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:58,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 11:38:58,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:58,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 11:38:58,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:58,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:58,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:38:58,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 11:38:58,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:38:58,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:58,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:38:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:58,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:58,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:58,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:38:58,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:58,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 11:38:58,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:58,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:58,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:38:58,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 11:38:58,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:38:58,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:58,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:38:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:58,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:58,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:58,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:38:58,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:58,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:38:58,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:58,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:58,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:38:58,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:38:58,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:38:58,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:58,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:38:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:58,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:58,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:58,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:38:58,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:58,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:58,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:58,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 11:38:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:58,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:58,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 11:38:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:58,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:58,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:58,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:58,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:58,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:58,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:58,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:58,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:58,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:58,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:58,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:58,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 11:38:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:58,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:58,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:58,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:58,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:58,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:58,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:58,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:58,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:58,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:58,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:58,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:58,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 11:38:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:38:58,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:38:58,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:38:58,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:38:58,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:38:58,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:38:58,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:38:58,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:38:58,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:38:58,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:38:58,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:38:58,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:38:58,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:38:58,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [25890701] [2020-10-29 11:38:58,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:38:58,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:38:58,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305563735] [2020-10-29 11:38:58,755 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:38:58,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:38:58,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:38:58,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:38:58,757 INFO L87 Difference]: Start difference. First operand 700 states and 858 transitions. Second operand 8 states. [2020-10-29 11:38:59,683 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:38:59,967 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:39:00,278 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:39:01,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:39:01,502 INFO L93 Difference]: Finished difference Result 1318 states and 1690 transitions. [2020-10-29 11:39:01,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 11:39:01,503 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-10-29 11:39:01,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:39:01,510 INFO L225 Difference]: With dead ends: 1318 [2020-10-29 11:39:01,510 INFO L226 Difference]: Without dead ends: 776 [2020-10-29 11:39:01,513 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-29 11:39:01,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2020-10-29 11:39:01,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 700. [2020-10-29 11:39:01,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 700 states. [2020-10-29 11:39:01,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 857 transitions. [2020-10-29 11:39:01,705 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 857 transitions. Word has length 84 [2020-10-29 11:39:01,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:39:01,705 INFO L481 AbstractCegarLoop]: Abstraction has 700 states and 857 transitions. [2020-10-29 11:39:01,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:39:01,705 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 857 transitions. [2020-10-29 11:39:01,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-29 11:39:01,707 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:39:01,707 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] [2020-10-29 11:39:01,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 11:39:01,708 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:39:01,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:39:01,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1541365005, now seen corresponding path program 1 times [2020-10-29 11:39:01,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:39:01,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1792652781] [2020-10-29 11:39:01,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:39:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:01,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:02,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:02,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-29 11:39:02,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:02,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 318 [2020-10-29 11:39:02,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:02,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:02,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:39:02,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-29 11:39:02,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:39:02,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:02,316 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:39:02,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:39:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:02,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:02,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:02,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:02,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:02,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 11:39:02,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:02,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:02,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:02,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:02,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:02,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:02,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:39:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:02,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:02,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:02,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:02,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:02,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:02,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:02,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:02,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:02,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:39:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:02,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:02,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:02,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:02,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:02,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:02,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:02,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:02,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:02,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:02,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:02,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:02,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:39:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:02,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:02,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:02,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:02,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:02,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:02,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:02,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:02,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:02,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:02,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:02,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:02,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:39:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:02,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:02,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:02,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:02,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:02,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:02,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:02,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:02,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:02,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:02,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:02,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:02,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:39:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:02,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:02,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:02,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:02,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:02,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:02,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:02,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:02,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:02,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:02,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:02,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:02,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 11:39:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:02,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:02,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:02,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 11:39:02,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:02,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 11:39:02,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:02,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:02,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:39:02,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 11:39:02,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:39:02,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:02,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:39:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:02,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:02,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:02,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:39:02,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:02,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:39:02,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:02,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:02,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:39:02,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:02,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:39:02,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:02,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:39:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:02,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:02,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:02,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:39:02,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:02,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:02,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:02,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:02,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:02,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:02,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:02,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:02,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:39:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:02,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:02,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:02,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:02,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:02,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:39:02,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:02,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:02,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:02,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 11:39:02,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:02,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:02,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 11:39:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:02,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:02,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:02,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:02,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:02,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:02,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:02,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:02,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:02,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:02,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:02,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:02,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-29 11:39:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:02,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:02,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:02,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:02,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:02,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:02,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:02,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:02,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:02,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:02,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:02,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:02,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 11:39:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:02,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:02,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:02,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:02,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:02,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:02,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:02,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:02,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:02,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:39:02,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:02,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:02,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:39:02,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1792652781] [2020-10-29 11:39:02,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:39:02,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 11:39:02,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751052834] [2020-10-29 11:39:02,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:39:02,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:39:02,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:39:02,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:39:02,507 INFO L87 Difference]: Start difference. First operand 700 states and 857 transitions. Second operand 9 states. [2020-10-29 11:39:03,410 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:39:03,716 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:39:04,028 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:39:04,325 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:39:05,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:39:05,574 INFO L93 Difference]: Finished difference Result 1405 states and 1775 transitions. [2020-10-29 11:39:05,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 11:39:05,575 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-10-29 11:39:05,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:39:05,581 INFO L225 Difference]: With dead ends: 1405 [2020-10-29 11:39:05,581 INFO L226 Difference]: Without dead ends: 729 [2020-10-29 11:39:05,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:39:05,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2020-10-29 11:39:05,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 669. [2020-10-29 11:39:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2020-10-29 11:39:05,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 809 transitions. [2020-10-29 11:39:05,770 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 809 transitions. Word has length 84 [2020-10-29 11:39:05,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:39:05,770 INFO L481 AbstractCegarLoop]: Abstraction has 669 states and 809 transitions. [2020-10-29 11:39:05,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:39:05,771 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 809 transitions. [2020-10-29 11:39:05,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-29 11:39:05,773 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:39:05,773 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] [2020-10-29 11:39:05,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 11:39:05,773 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 11:39:05,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:39:05,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1447533884, now seen corresponding path program 1 times [2020-10-29 11:39:05,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:39:05,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1231824852] [2020-10-29 11:39:05,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:39:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:05,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:06,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:06,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-29 11:39:06,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:06,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 313 [2020-10-29 11:39:06,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:06,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:06,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:39:06,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-29 11:39:06,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-29 11:39:06,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:06,440 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:39:06,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:39:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:06,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:06,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:06,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:06,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:06,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 11:39:06,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:06,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:06,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:06,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:06,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:06,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:39:06,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:39:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:06,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:06,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:06,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:06,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:06,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:06,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:06,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:06,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:06,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:39:06,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:39:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:06,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:06,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:06,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:06,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:06,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:06,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:06,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:06,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:06,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:06,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:06,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:39:06,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:39:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:06,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:06,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:06,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:06,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:06,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:06,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:06,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:06,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:06,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:06,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:06,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:39:06,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:39:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:06,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:06,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:06,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:39:06,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:06,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:06,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:06,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:06,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:06,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:06,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:06,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:39:06,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:39:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:06,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:06,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:06,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:06,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:06,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:06,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:06,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:06,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:06,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:06,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:06,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:39:06,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 11:39:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:06,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:06,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:06,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-29 11:39:06,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:06,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:39:06,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:06,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:06,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:06,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:06,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-29 11:39:06,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:39:06,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:39:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:06,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:06,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:06,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:39:06,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:06,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:39:06,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:06,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:06,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:06,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:06,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:06,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:39:06,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:39:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:06,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:06,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:06,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:39:06,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:06,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:39:06,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:06,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:06,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:39:06,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:06,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:39:06,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:39:06,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:39:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:06,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:06,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:06,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:06,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:06,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:39:06,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:06,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:06,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:06,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:06,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:39:06,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:39:06,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-29 11:39:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:06,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:06,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:06,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:06,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:06,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:39:06,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:06,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:06,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:06,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:06,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:06,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:39:06,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-29 11:39:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:06,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:06,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:06,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:06,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:06,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:39:06,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:06,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:06,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:39:06,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:06,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:06,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:39:06,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 11:39:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:39:06,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:39:06,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:39:06,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:39:06,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:39:06,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:39:06,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:39:06,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:39:06,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:39:06,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:39:06,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:39:06,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:39:06,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:39:06,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1231824852] [2020-10-29 11:39:06,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:39:06,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 11:39:06,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752107913] [2020-10-29 11:39:06,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 11:39:06,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:39:06,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 11:39:06,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-29 11:39:06,695 INFO L87 Difference]: Start difference. First operand 669 states and 809 transitions. Second operand 10 states. [2020-10-29 11:39:07,665 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:39:08,276 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:39:09,254 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2020-10-29 11:39:09,645 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:39:09,977 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:39:10,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:39:10,518 INFO L93 Difference]: Finished difference Result 1030 states and 1248 transitions. [2020-10-29 11:39:10,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 11:39:10,519 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2020-10-29 11:39:10,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:39:10,521 INFO L225 Difference]: With dead ends: 1030 [2020-10-29 11:39:10,521 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 11:39:10,524 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2020-10-29 11:39:10,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 11:39:10,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 11:39:10,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 11:39:10,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 11:39:10,525 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2020-10-29 11:39:10,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:39:10,526 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 11:39:10,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 11:39:10,526 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 11:39:10,526 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 11:39:10,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 11:39:10,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 11:39:10,885 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 208 [2020-10-29 11:39:11,016 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 251 [2020-10-29 11:39:11,226 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-10-29 11:39:12,174 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 231 [2020-10-29 11:39:12,502 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 224 [2020-10-29 11:39:17,183 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 224 [2020-10-29 11:39:17,770 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 231 [2020-10-29 11:39:20,669 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 26 [2020-10-29 11:39:21,437 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 23 [2020-10-29 11:39:21,606 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-29 11:39:22,398 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 22 [2020-10-29 11:39:22,595 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:39:23,246 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 21 [2020-10-29 11:39:23,853 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 18 [2020-10-29 11:39:24,014 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-10-29 11:39:24,468 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 22 [2020-10-29 11:39:24,620 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-10-29 11:39:24,915 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 19 [2020-10-29 11:39:25,031 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 24 [2020-10-29 11:39:25,309 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:39:25,502 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:39:25,688 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:39:26,338 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 35 [2020-10-29 11:39:27,312 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 28 [2020-10-29 11:39:27,461 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-10-29 11:39:27,686 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-10-29 11:39:28,691 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 23 [2020-10-29 11:39:28,856 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-10-29 11:39:29,581 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 19 [2020-10-29 11:39:30,234 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 23 [2020-10-29 11:39:31,025 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 18 [2020-10-29 11:39:31,790 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 11 [2020-10-29 11:39:32,395 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 18 [2020-10-29 11:39:32,580 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:39:32,765 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:39:33,591 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 29 [2020-10-29 11:39:33,737 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-29 11:39:33,920 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:39:34,077 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-10-29 11:39:34,229 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-29 11:39:34,834 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 21 [2020-10-29 11:39:34,949 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 24 [2020-10-29 11:39:36,101 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 194 DAG size of output: 30 [2020-10-29 11:39:36,861 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 22 [2020-10-29 11:39:37,050 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:39:37,235 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:39:37,389 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-10-29 11:39:37,790 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 22 [2020-10-29 11:39:37,796 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-29 11:39:37,797 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-29 11:39:37,797 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-29 11:39:37,797 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-29 11:39:37,797 INFO L274 CegarLoopResult]: For program point L322-2(lines 322 343) no Hoare annotation was computed. [2020-10-29 11:39:37,797 INFO L274 CegarLoopResult]: For program point L344(lines 321 345) no Hoare annotation was computed. [2020-10-29 11:39:37,798 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 297 352) no Hoare annotation was computed. [2020-10-29 11:39:37,798 INFO L274 CegarLoopResult]: For program point L328(lines 328 332) no Hoare annotation was computed. [2020-10-29 11:39:37,798 INFO L274 CegarLoopResult]: For program point L328-1(lines 328 332) no Hoare annotation was computed. [2020-10-29 11:39:37,798 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 297 352) no Hoare annotation was computed. [2020-10-29 11:39:37,798 INFO L274 CegarLoopResult]: For program point L323(line 323) no Hoare annotation was computed. [2020-10-29 11:39:37,798 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 297 352) no Hoare annotation was computed. [2020-10-29 11:39:37,799 INFO L274 CegarLoopResult]: For program point L385(lines 385 389) no Hoare annotation was computed. [2020-10-29 11:39:37,799 INFO L274 CegarLoopResult]: For program point L385-1(lines 385 389) no Hoare annotation was computed. [2020-10-29 11:39:37,799 INFO L274 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-10-29 11:39:37,799 INFO L274 CegarLoopResult]: For program point L379-2(lines 379 404) no Hoare annotation was computed. [2020-10-29 11:39:37,799 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 353 412) no Hoare annotation was computed. [2020-10-29 11:39:37,799 INFO L274 CegarLoopResult]: For program point L405(lines 378 406) no Hoare annotation was computed. [2020-10-29 11:39:37,799 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 353 412) no Hoare annotation was computed. [2020-10-29 11:39:37,799 INFO L274 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-10-29 11:39:37,799 INFO L274 CegarLoopResult]: For program point L398-1(line 398) no Hoare annotation was computed. [2020-10-29 11:39:37,799 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 353 412) no Hoare annotation was computed. [2020-10-29 11:39:37,799 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 893 899) the Hoare annotation is: true [2020-10-29 11:39:37,799 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 893 899) no Hoare annotation was computed. [2020-10-29 11:39:37,800 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 900 908) no Hoare annotation was computed. [2020-10-29 11:39:37,800 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 900 908) the Hoare annotation is: true [2020-10-29 11:39:37,800 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 900 908) no Hoare annotation was computed. [2020-10-29 11:39:37,800 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 221 243) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:39:37,800 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 221 243) no Hoare annotation was computed. [2020-10-29 11:39:37,800 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 221 243) no Hoare annotation was computed. [2020-10-29 11:39:37,800 INFO L270 CegarLoopResult]: At program point L233(line 233) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:39:37,800 INFO L270 CegarLoopResult]: At program point L233-1(line 233) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:39:37,801 INFO L274 CegarLoopResult]: For program point L231(lines 231 238) no Hoare annotation was computed. [2020-10-29 11:39:37,801 INFO L274 CegarLoopResult]: For program point L231-1(lines 231 238) no Hoare annotation was computed. [2020-10-29 11:39:37,801 INFO L274 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-10-29 11:39:37,801 INFO L270 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:39:37,801 INFO L270 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:39:37,801 INFO L270 CegarLoopResult]: At program point L227-1(line 227) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:39:37,801 INFO L274 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-29 11:39:37,801 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-29 11:39:37,801 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 176 199) no Hoare annotation was computed. [2020-10-29 11:39:37,802 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-29 11:39:37,802 INFO L274 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-29 11:39:37,802 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-29 11:39:37,802 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 176 199) no Hoare annotation was computed. [2020-10-29 11:39:37,802 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-29 11:39:37,802 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 176 199) no Hoare annotation was computed. [2020-10-29 11:39:37,802 INFO L274 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-29 11:39:37,802 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-29 11:39:37,802 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-29 11:39:37,803 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-29 11:39:37,803 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-29 11:39:37,803 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-29 11:39:37,803 INFO L274 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-29 11:39:37,803 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-29 11:39:37,803 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 776 784) no Hoare annotation was computed. [2020-10-29 11:39:37,803 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 776 784) the Hoare annotation is: true [2020-10-29 11:39:37,803 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 776 784) no Hoare annotation was computed. [2020-10-29 11:39:37,803 INFO L274 CegarLoopResult]: For program point L792(lines 792 800) no Hoare annotation was computed. [2020-10-29 11:39:37,804 INFO L274 CegarLoopResult]: For program point L792-2(lines 792 800) no Hoare annotation was computed. [2020-10-29 11:39:37,804 INFO L274 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-10-29 11:39:37,804 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 785 820) no Hoare annotation was computed. [2020-10-29 11:39:37,804 INFO L274 CegarLoopResult]: For program point L815-1(line 815) no Hoare annotation was computed. [2020-10-29 11:39:37,804 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 785 820) no Hoare annotation was computed. [2020-10-29 11:39:37,804 INFO L274 CegarLoopResult]: For program point L804(lines 804 812) no Hoare annotation was computed. [2020-10-29 11:39:37,804 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 785 820) no Hoare annotation was computed. [2020-10-29 11:39:37,804 INFO L274 CegarLoopResult]: For program point L804-2(lines 804 812) no Hoare annotation was computed. [2020-10-29 11:39:37,804 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 886 892) no Hoare annotation was computed. [2020-10-29 11:39:37,804 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 886 892) the Hoare annotation is: true [2020-10-29 11:39:37,804 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 251 296) no Hoare annotation was computed. [2020-10-29 11:39:37,805 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 251 296) no Hoare annotation was computed. [2020-10-29 11:39:37,805 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 251 296) no Hoare annotation was computed. [2020-10-29 11:39:37,805 INFO L274 CegarLoopResult]: For program point L578-1(lines 578 598) no Hoare annotation was computed. [2020-10-29 11:39:37,805 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 564 609) no Hoare annotation was computed. [2020-10-29 11:39:37,805 INFO L274 CegarLoopResult]: For program point L595(lines 595 596) no Hoare annotation was computed. [2020-10-29 11:39:37,805 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 588 589) no Hoare annotation was computed. [2020-10-29 11:39:37,805 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 595 596) no Hoare annotation was computed. [2020-10-29 11:39:37,805 INFO L274 CegarLoopResult]: For program point L588(lines 588 589) no Hoare annotation was computed. [2020-10-29 11:39:37,805 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 564 609) no Hoare annotation was computed. [2020-10-29 11:39:37,806 INFO L274 CegarLoopResult]: For program point L584(lines 584 591) no Hoare annotation was computed. [2020-10-29 11:39:37,806 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 564 609) no Hoare annotation was computed. [2020-10-29 11:39:37,806 INFO L274 CegarLoopResult]: For program point L578(lines 578 598) no Hoare annotation was computed. [2020-10-29 11:39:37,806 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 208 217) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:39:37,806 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 208 217) no Hoare annotation was computed. [2020-10-29 11:39:37,806 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 208 217) no Hoare annotation was computed. [2020-10-29 11:39:37,806 INFO L274 CegarLoopResult]: For program point L770-1(line 770) no Hoare annotation was computed. [2020-10-29 11:39:37,806 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 765 775) no Hoare annotation was computed. [2020-10-29 11:39:37,807 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 765 775) no Hoare annotation was computed. [2020-10-29 11:39:37,807 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 765 775) no Hoare annotation was computed. [2020-10-29 11:39:37,807 INFO L274 CegarLoopResult]: For program point L770(line 770) no Hoare annotation was computed. [2020-10-29 11:39:37,807 INFO L274 CegarLoopResult]: For program point deactivatePumpENTRY(lines 757 764) no Hoare annotation was computed. [2020-10-29 11:39:37,807 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 757 764) no Hoare annotation was computed. [2020-10-29 11:39:37,807 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 757 764) no Hoare annotation was computed. [2020-10-29 11:39:37,807 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 128 141) no Hoare annotation was computed. [2020-10-29 11:39:37,807 INFO L274 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-10-29 11:39:37,807 INFO L277 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 128 141) the Hoare annotation is: true [2020-10-29 11:39:37,808 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 128 141) no Hoare annotation was computed. [2020-10-29 11:39:37,808 INFO L270 CegarLoopResult]: At program point L734(line 734) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 (<= 1 processEnvironment_~tmp~5)) .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1))) [2020-10-29 11:39:37,808 INFO L274 CegarLoopResult]: For program point L732(lines 732 740) no Hoare annotation was computed. [2020-10-29 11:39:37,808 INFO L270 CegarLoopResult]: At program point L730(line 730) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1))) [2020-10-29 11:39:37,808 INFO L274 CegarLoopResult]: For program point L730-1(line 730) no Hoare annotation was computed. [2020-10-29 11:39:37,808 INFO L274 CegarLoopResult]: For program point L728(lines 728 745) no Hoare annotation was computed. [2020-10-29 11:39:37,808 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 724 748) no Hoare annotation was computed. [2020-10-29 11:39:37,809 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 724 748) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-10-29 11:39:37,809 INFO L270 CegarLoopResult]: At program point L743(line 743) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-10-29 11:39:37,809 INFO L274 CegarLoopResult]: For program point L743-1(lines 724 748) no Hoare annotation was computed. [2020-10-29 11:39:37,809 INFO L270 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2020-10-29 11:39:37,809 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 716 722) no Hoare annotation was computed. [2020-10-29 11:39:37,809 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 716 722) the Hoare annotation is: true [2020-10-29 11:39:37,809 INFO L270 CegarLoopResult]: At program point L673(lines 630 675) the Hoare annotation is: (or (<= 1 ~pumpRunning~0) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0))) [2020-10-29 11:39:37,809 INFO L274 CegarLoopResult]: For program point L640(lines 640 646) no Hoare annotation was computed. [2020-10-29 11:39:37,810 INFO L270 CegarLoopResult]: At program point testENTRY(lines 620 683) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-29 11:39:37,810 INFO L274 CegarLoopResult]: For program point L640-1(lines 640 646) no Hoare annotation was computed. [2020-10-29 11:39:37,810 INFO L274 CegarLoopResult]: For program point L632(lines 632 636) no Hoare annotation was computed. [2020-10-29 11:39:37,810 INFO L274 CegarLoopResult]: For program point testFINAL(lines 620 683) no Hoare annotation was computed. [2020-10-29 11:39:37,810 INFO L270 CegarLoopResult]: At program point L676(lines 629 677) the Hoare annotation is: (or (<= 1 ~pumpRunning~0) (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (<= ~waterLevel~0 0)) [2020-10-29 11:39:37,810 INFO L274 CegarLoopResult]: For program point L666(lines 666 670) no Hoare annotation was computed. [2020-10-29 11:39:37,810 INFO L270 CegarLoopResult]: At program point L666-2(lines 660 671) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (<= 1 ~pumpRunning~0) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0))) [2020-10-29 11:39:37,811 INFO L274 CegarLoopResult]: For program point L631(lines 630 675) no Hoare annotation was computed. [2020-10-29 11:39:37,811 INFO L274 CegarLoopResult]: For program point L660(lines 660 671) no Hoare annotation was computed. [2020-10-29 11:39:37,811 INFO L270 CegarLoopResult]: At program point L652(line 652) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (<= 1 ~pumpRunning~0) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0))) [2020-10-29 11:39:37,811 INFO L274 CegarLoopResult]: For program point L650(lines 650 656) no Hoare annotation was computed. [2020-10-29 11:39:37,811 INFO L274 CegarLoopResult]: For program point L650-1(lines 650 656) no Hoare annotation was computed. [2020-10-29 11:39:37,811 INFO L274 CegarLoopResult]: For program point testEXIT(lines 620 683) no Hoare annotation was computed. [2020-10-29 11:39:37,811 INFO L270 CegarLoopResult]: At program point L642(line 642) the Hoare annotation is: (or (<= 1 ~pumpRunning~0) (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0))) [2020-10-29 11:39:37,811 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 542 543) no Hoare annotation was computed. [2020-10-29 11:39:37,812 INFO L274 CegarLoopResult]: For program point L542(lines 542 543) no Hoare annotation was computed. [2020-10-29 11:39:37,812 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 549 550) no Hoare annotation was computed. [2020-10-29 11:39:37,812 INFO L274 CegarLoopResult]: For program point L538(lines 538 545) no Hoare annotation was computed. [2020-10-29 11:39:37,812 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 518 563) no Hoare annotation was computed. [2020-10-29 11:39:37,812 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 518 563) no Hoare annotation was computed. [2020-10-29 11:39:37,812 INFO L274 CegarLoopResult]: For program point L532(lines 532 552) no Hoare annotation was computed. [2020-10-29 11:39:37,812 INFO L274 CegarLoopResult]: For program point L532-1(lines 532 552) no Hoare annotation was computed. [2020-10-29 11:39:37,812 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 518 563) no Hoare annotation was computed. [2020-10-29 11:39:37,812 INFO L274 CegarLoopResult]: For program point L549(lines 549 550) no Hoare annotation was computed. [2020-10-29 11:39:37,813 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 96 118) no Hoare annotation was computed. [2020-10-29 11:39:37,813 INFO L274 CegarLoopResult]: For program point L104(lines 104 112) no Hoare annotation was computed. [2020-10-29 11:39:37,813 INFO L274 CegarLoopResult]: For program point L104-2(lines 104 112) no Hoare annotation was computed. [2020-10-29 11:39:37,813 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 96 118) no Hoare annotation was computed. [2020-10-29 11:39:37,813 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 96 118) no Hoare annotation was computed. [2020-10-29 11:39:37,813 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 415 517) no Hoare annotation was computed. [2020-10-29 11:39:37,813 INFO L274 CegarLoopResult]: For program point L444(lines 444 460) no Hoare annotation was computed. [2020-10-29 11:39:37,813 INFO L274 CegarLoopResult]: For program point L504(lines 504 511) no Hoare annotation was computed. [2020-10-29 11:39:37,813 INFO L274 CegarLoopResult]: For program point L465(lines 464 484) no Hoare annotation was computed. [2020-10-29 11:39:37,814 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-29 11:39:37,814 INFO L274 CegarLoopResult]: For program point L496-1(line 496) no Hoare annotation was computed. [2020-10-29 11:39:37,814 INFO L274 CegarLoopResult]: For program point L461(lines 461 502) no Hoare annotation was computed. [2020-10-29 11:39:37,814 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 415 517) no Hoare annotation was computed. [2020-10-29 11:39:37,814 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-29 11:39:37,814 INFO L274 CegarLoopResult]: For program point L480-1(line 480) no Hoare annotation was computed. [2020-10-29 11:39:37,814 INFO L274 CegarLoopResult]: For program point L439(lines 439 443) no Hoare annotation was computed. [2020-10-29 11:39:37,814 INFO L274 CegarLoopResult]: For program point L503(lines 503 514) no Hoare annotation was computed. [2020-10-29 11:39:37,814 INFO L274 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2020-10-29 11:39:37,814 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 415 517) no Hoare annotation was computed. [2020-10-29 11:39:37,815 INFO L274 CegarLoopResult]: For program point L464-2(lines 464 484) no Hoare annotation was computed. [2020-10-29 11:39:37,815 INFO L274 CegarLoopResult]: For program point L485(lines 463 486) no Hoare annotation was computed. [2020-10-29 11:39:37,815 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 876 885) no Hoare annotation was computed. [2020-10-29 11:39:37,815 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 876 885) no Hoare annotation was computed. [2020-10-29 11:39:37,815 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 876 885) no Hoare annotation was computed. [2020-10-29 11:39:37,815 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:39:37,816 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-29 11:39:37,816 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:39:37,816 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 749 756) no Hoare annotation was computed. [2020-10-29 11:39:37,816 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 749 756) no Hoare annotation was computed. [2020-10-29 11:39:37,816 INFO L270 CegarLoopResult]: At program point activatePumpENTRY(lines 749 756) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-10-29 11:39:37,816 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 119 127) the Hoare annotation is: true [2020-10-29 11:39:37,816 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 119 127) no Hoare annotation was computed. [2020-10-29 11:39:37,817 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 119 127) no Hoare annotation was computed. [2020-10-29 11:39:37,817 INFO L274 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 821 839) no Hoare annotation was computed. [2020-10-29 11:39:37,817 INFO L274 CegarLoopResult]: For program point L830(lines 830 834) no Hoare annotation was computed. [2020-10-29 11:39:37,817 INFO L277 CegarLoopResult]: At program point L828(line 828) the Hoare annotation is: true [2020-10-29 11:39:37,817 INFO L274 CegarLoopResult]: For program point L830-2(lines 830 834) no Hoare annotation was computed. [2020-10-29 11:39:37,817 INFO L274 CegarLoopResult]: For program point L828-1(line 828) no Hoare annotation was computed. [2020-10-29 11:39:37,817 INFO L277 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 821 839) the Hoare annotation is: true [2020-10-29 11:39:37,817 INFO L274 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 821 839) no Hoare annotation was computed. [2020-10-29 11:39:37,817 INFO L274 CegarLoopResult]: For program point L79-1(lines 75 86) no Hoare annotation was computed. [2020-10-29 11:39:37,818 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 75 86) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 ~pumpRunning~0)) .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-10-29 11:39:37,818 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 75 86) no Hoare annotation was computed. [2020-10-29 11:39:37,818 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:39:37,818 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-29 11:39:37,818 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:39:37,818 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 87 95) the Hoare annotation is: true [2020-10-29 11:39:37,818 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 87 95) no Hoare annotation was computed. [2020-10-29 11:39:37,818 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 87 95) no Hoare annotation was computed. [2020-10-29 11:39:37,819 INFO L270 CegarLoopResult]: At program point L705(line 705) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse3 (<= ~waterLevel~0 0)) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (or .cse2 .cse3) .cse4) .cse1) (or .cse0 .cse2 (and .cse4 .cse3) .cse1) (or .cse0 .cse1 (not (<= |old(~waterLevel~0)| 0)))))) [2020-10-29 11:39:37,819 INFO L270 CegarLoopResult]: At program point L703(lines 703 709) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and (<= 1 ~pumpRunning~0) .cse0)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse6 (<= ~waterLevel~0 0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse0 .cse4 .cse6) (or .cse0 .cse4 (not (<= |old(~waterLevel~0)| 0))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse3 .cse4 .cse5) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (or .cse2 .cse6) .cse1) .cse4)))) [2020-10-29 11:39:37,819 INFO L270 CegarLoopResult]: At program point L698(line 698) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or .cse0 .cse3 .cse1) (or .cse0 .cse1 (not (<= |old(~waterLevel~0)| 0))) (or .cse3 .cse1 .cse2))) [2020-10-29 11:39:37,819 INFO L274 CegarLoopResult]: For program point L696(lines 695 714) no Hoare annotation was computed. [2020-10-29 11:39:37,819 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 692 715) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 .cse1 (not (<= |old(~waterLevel~0)| 0))))) [2020-10-29 11:39:37,820 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 692 715) no Hoare annotation was computed. [2020-10-29 11:39:37,820 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 692 715) no Hoare annotation was computed. [2020-10-29 11:39:37,820 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 145 174) no Hoare annotation was computed. [2020-10-29 11:39:37,820 INFO L274 CegarLoopResult]: For program point L159(lines 159 163) no Hoare annotation was computed. [2020-10-29 11:39:37,820 INFO L270 CegarLoopResult]: At program point L159-1(lines 159 163) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0))) (let ((.cse1 (and .cse3 (<= ~waterLevel~0 0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not .cse3))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse0 .cse2 (not (<= |old(~waterLevel~0)| 0)))))) [2020-10-29 11:39:37,820 INFO L270 CegarLoopResult]: At program point cleanupENTRY(lines 145 174) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 .cse1 (not (<= |old(~waterLevel~0)| 0))))) [2020-10-29 11:39:37,820 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-29 11:39:37,821 INFO L270 CegarLoopResult]: At program point L155-2(lines 155 169) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0))) (let ((.cse1 (and .cse3 (<= ~waterLevel~0 0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not .cse3))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse0 .cse2 (not (<= |old(~waterLevel~0)| 0)))))) [2020-10-29 11:39:37,821 INFO L270 CegarLoopResult]: At program point L151(line 151) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 .cse1 (not (<= |old(~waterLevel~0)| 0))))) [2020-10-29 11:39:37,821 INFO L274 CegarLoopResult]: For program point L151-1(line 151) no Hoare annotation was computed. [2020-10-29 11:39:37,821 INFO L277 CegarLoopResult]: At program point L170(lines 145 174) the Hoare annotation is: true [2020-10-29 11:39:37,821 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-29 11:39:37,821 INFO L270 CegarLoopResult]: At program point L864(line 864) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0) (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) .cse0))) [2020-10-29 11:39:37,821 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 841 873) no Hoare annotation was computed. [2020-10-29 11:39:37,821 INFO L274 CegarLoopResult]: For program point L860(lines 860 866) no Hoare annotation was computed. [2020-10-29 11:39:37,822 INFO L270 CegarLoopResult]: At program point L858(line 858) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 1))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= ~waterLevel~0 0)) .cse2) (or .cse1 (not (= ~pumpRunning~0 0)) .cse2))) [2020-10-29 11:39:37,822 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 841 873) the Hoare annotation is: true [2020-10-29 11:39:37,822 INFO L274 CegarLoopResult]: For program point L858-1(line 858) no Hoare annotation was computed. [2020-10-29 11:39:37,822 INFO L274 CegarLoopResult]: For program point L856(lines 856 869) no Hoare annotation was computed. [2020-10-29 11:39:37,822 INFO L274 CegarLoopResult]: For program point L856-1(lines 841 873) no Hoare annotation was computed. [2020-10-29 11:39:37,822 INFO L277 CegarLoopResult]: At program point L854(line 854) the Hoare annotation is: true [2020-10-29 11:39:37,822 INFO L274 CegarLoopResult]: For program point L854-1(line 854) no Hoare annotation was computed. [2020-10-29 11:39:37,822 INFO L274 CegarLoopResult]: For program point L850(lines 850 870) no Hoare annotation was computed. [2020-10-29 11:39:37,823 INFO L277 CegarLoopResult]: At program point L848(line 848) the Hoare annotation is: true [2020-10-29 11:39:37,823 INFO L274 CegarLoopResult]: For program point L848-1(line 848) no Hoare annotation was computed. [2020-10-29 11:39:37,823 INFO L270 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 51 62) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0))) [2020-10-29 11:39:37,823 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 51 62) no Hoare annotation was computed. [2020-10-29 11:39:37,823 INFO L274 CegarLoopResult]: For program point L55-1(lines 51 62) no Hoare annotation was computed. [2020-10-29 11:39:37,823 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 200 206) no Hoare annotation was computed. [2020-10-29 11:39:37,823 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 200 206) the Hoare annotation is: true [2020-10-29 11:39:37,823 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:39:37,823 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-29 11:39:37,824 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 11:39:37,824 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:39:37,824 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 63 74) no Hoare annotation was computed. [2020-10-29 11:39:37,824 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 63 74) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2020-10-29 11:39:37,824 INFO L274 CegarLoopResult]: For program point L67-1(lines 63 74) no Hoare annotation was computed. [2020-10-29 11:39:37,824 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 611 618) no Hoare annotation was computed. [2020-10-29 11:39:37,824 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 611 618) the Hoare annotation is: true [2020-10-29 11:39:37,824 INFO L274 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-10-29 11:39:37,825 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 611 618) no Hoare annotation was computed. [2020-10-29 11:39:37,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 11:39:37 BoogieIcfgContainer [2020-10-29 11:39:37,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 11:39:37,849 INFO L168 Benchmark]: Toolchain (without parser) took 89329.24 ms. Allocated memory was 151.0 MB in the beginning and 715.1 MB in the end (delta: 564.1 MB). Free memory was 124.1 MB in the beginning and 354.2 MB in the end (delta: -230.1 MB). Peak memory consumption was 439.3 MB. Max. memory is 8.0 GB. [2020-10-29 11:39:37,850 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 11:39:37,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.10 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 103.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-29 11:39:37,851 INFO L168 Benchmark]: Boogie Preprocessor took 121.88 ms. Allocated memory is still 151.0 MB. Free memory was 103.5 MB in the beginning and 99.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-29 11:39:37,851 INFO L168 Benchmark]: RCFGBuilder took 1727.64 ms. Allocated memory is still 151.0 MB. Free memory was 99.6 MB in the beginning and 92.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 52.4 MB. Max. memory is 8.0 GB. [2020-10-29 11:39:37,852 INFO L168 Benchmark]: TraceAbstraction took 86861.37 ms. Allocated memory was 151.0 MB in the beginning and 715.1 MB in the end (delta: 564.1 MB). Free memory was 91.5 MB in the beginning and 354.2 MB in the end (delta: -262.7 MB). Peak memory consumption was 406.8 MB. Max. memory is 8.0 GB. [2020-10-29 11:39:37,855 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 602.10 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 103.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 121.88 ms. Allocated memory is still 151.0 MB. Free memory was 103.5 MB in the beginning and 99.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1727.64 ms. Allocated memory is still 151.0 MB. Free memory was 99.6 MB in the beginning and 92.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 52.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 86861.37 ms. Allocated memory was 151.0 MB in the beginning and 715.1 MB in the end (delta: 564.1 MB). Free memory was 91.5 MB in the beginning and 354.2 MB in the end (delta: -262.7 MB). Peak memory consumption was 406.8 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: 549]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 542]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 588]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 595]: 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: 629]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning || !(\old(waterLevel) == 1)) || \old(waterLevel) == waterLevel) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || waterLevel <= 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || (\old(waterLevel) == waterLevel && pumpRunning == 0) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) == 1) || \old(waterLevel) == waterLevel) || (1 == systemActive && waterLevel <= 0)) || !(1 == systemActive)) && ((((1 == systemActive && waterLevel <= 0) || !(1 <= \old(pumpRunning))) || pumpRunning == \old(pumpRunning)) || !(1 == systemActive))) && ((\old(waterLevel) == waterLevel || !(1 == systemActive)) || !(\old(waterLevel) <= 0)) - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 230 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 59.4s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 33.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 27.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1174 SDtfs, 2234 SDslu, 1680 SDs, 0 SdLazy, 6534 SolverSat, 1596 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 332 GetRequests, 211 SyntacticMatches, 1 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 14.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=700occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 515 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 1542 PreInvPairs, 2143 NumberOfFragments, 1448 HoareAnnotationTreeSize, 1542 FomulaSimplifications, 2246164 FormulaSimplificationTreeSizeReduction, 9.3s HoareSimplificationTime, 52 FomulaSimplificationsInter, 62049 FormulaSimplificationTreeSizeReductionInter, 17.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 24.1s InterpolantComputationTime, 592 NumberOfCodeBlocks, 592 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 584 ConstructedInterpolants, 0 QuantifiedInterpolants, 196306 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...