/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_spec1_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:24:05,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:24:05,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:24:05,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:24:05,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:24:05,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:24:05,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:24:05,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:24:05,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:24:05,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:24:05,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:24:05,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:24:05,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:24:05,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:24:05,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:24:05,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:24:05,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:24:05,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:24:05,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:24:05,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:24:05,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:24:05,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:24:05,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:24:05,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:24:05,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:24:05,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:24:05,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:24:05,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:24:05,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:24:05,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:24:05,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:24:05,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:24:05,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:24:05,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:24:05,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:24:05,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:24:05,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:24:05,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:24:05,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:24:05,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:24:05,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:24:05,119 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 11:24:05,164 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:24:05,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:24:05,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:24:05,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:24:05,166 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:24:05,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:24:05,167 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:24:05,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:24:05,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:24:05,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:24:05,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:24:05,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:24:05,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:24:05,168 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:24:05,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:24:05,169 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:24:05,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:24:05,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:24:05,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:24:05,170 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:24:05,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:24:05,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:24:05,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:24:05,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:24:05,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:24:05,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:24:05,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:24:05,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:24:05,171 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:24:05,172 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:24:05,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:24:05,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:24:05,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:24:05,591 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:24:05,595 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:24:05,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c [2020-10-29 11:24:05,674 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0edc3d0c7/ee3c61016e1b40d3b473572cbd2b0924/FLAG349ed976e [2020-10-29 11:24:06,412 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:24:06,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product22.cil.c [2020-10-29 11:24:06,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0edc3d0c7/ee3c61016e1b40d3b473572cbd2b0924/FLAG349ed976e [2020-10-29 11:24:06,718 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0edc3d0c7/ee3c61016e1b40d3b473572cbd2b0924 [2020-10-29 11:24:06,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:24:06,727 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:24:06,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:24:06,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:24:06,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:24:06,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:24:06" (1/1) ... [2020-10-29 11:24:06,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ae1c076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:24:06, skipping insertion in model container [2020-10-29 11:24:06,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:24:06" (1/1) ... [2020-10-29 11:24:06,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:24:06,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:24:07,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:24:07,156 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:24:07,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:24:07,282 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:24:07,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:24:07 WrapperNode [2020-10-29 11:24:07,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:24:07,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:24:07,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:24:07,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:24:07,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:24:07" (1/1) ... [2020-10-29 11:24:07,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:24:07" (1/1) ... [2020-10-29 11:24:07,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:24:07" (1/1) ... [2020-10-29 11:24:07,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:24:07" (1/1) ... [2020-10-29 11:24:07,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:24:07" (1/1) ... [2020-10-29 11:24:07,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:24:07" (1/1) ... [2020-10-29 11:24:07,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:24:07" (1/1) ... [2020-10-29 11:24:07,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:24:07,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:24:07,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:24:07,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:24:07,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:24:07" (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 11:24:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:24:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:24:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 11:24:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:24:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 11:24:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 11:24:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 11:24:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 11:24:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-29 11:24:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 11:24:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 11:24:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 11:24:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 11:24:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:24:07,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 11:24:07,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 11:24:07,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 11:24:07,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 11:24:07,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 11:24:07,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 11:24:07,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 11:24:07,493 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-29 11:24:07,493 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-29 11:24:07,493 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-29 11:24:07,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-29 11:24:07,493 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-29 11:24:07,494 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-29 11:24:07,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-29 11:24:07,494 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 11:24:07,494 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-29 11:24:07,494 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-29 11:24:07,494 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-29 11:24:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-29 11:24:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-29 11:24:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-29 11:24:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-29 11:24:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-29 11:24:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-29 11:24:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-29 11:24:07,496 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 11:24:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:24:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:24:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:24:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:24:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:24:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 11:24:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 11:24:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 11:24:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 11:24:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 11:24:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 11:24:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-29 11:24:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-29 11:24:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-29 11:24:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 11:24:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 11:24:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-29 11:24:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-29 11:24:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-29 11:24:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 11:24:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 11:24:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 11:24:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 11:24:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:24:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 11:24:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 11:24:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 11:24:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 11:24:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 11:24:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:24:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 11:24:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 11:24:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:24:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 11:24:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 11:24:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:24:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 11:24:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 11:24:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 11:24:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-29 11:24:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-29 11:24:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-29 11:24:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-29 11:24:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-29 11:24:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-29 11:24:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-29 11:24:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-29 11:24:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-29 11:24:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-29 11:24:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-29 11:24:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-29 11:24:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:24:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:24:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:24:08,809 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:24:08,810 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-29 11:24:08,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:24:08 BoogieIcfgContainer [2020-10-29 11:24:08,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:24:08,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:24:08,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:24:08,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:24:08,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:24:06" (1/3) ... [2020-10-29 11:24:08,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ef0767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:24:08, skipping insertion in model container [2020-10-29 11:24:08,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:24:07" (2/3) ... [2020-10-29 11:24:08,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ef0767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:24:08, skipping insertion in model container [2020-10-29 11:24:08,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:24:08" (3/3) ... [2020-10-29 11:24:08,821 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product22.cil.c [2020-10-29 11:24:08,833 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:24:08,839 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 11:24:08,852 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 11:24:08,881 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:24:08,881 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:24:08,882 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:24:08,882 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:24:08,882 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:24:08,882 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:24:08,882 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:24:08,882 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:24:08,904 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2020-10-29 11:24:08,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-29 11:24:08,914 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:24:08,915 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:24:08,916 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 11:24:08,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:24:08,922 INFO L82 PathProgramCache]: Analyzing trace with hash 830410849, now seen corresponding path program 1 times [2020-10-29 11:24:08,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:24:08,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049660180] [2020-10-29 11:24:08,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:24:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:09,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:09,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:09,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:11,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:11,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:14,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:14,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 11:24:14,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:24:14,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 11:24:14,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:14,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:14,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:24:14,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:24:14,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 11:24:14,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 11:24:14,637 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:24:14,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:24:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:14,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:14,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:14,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:14,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:14,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-29 11:24:14,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:14,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:14,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:14,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:14,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:24:14,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:24:14,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:24:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:14,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:14,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:14,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:24:14,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:14,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:24:14,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:14,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:14,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:14,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:14,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:24:14,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:14,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:24:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:14,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:14,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:14,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:24:14,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:14,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:24:14,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:14,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:14,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:14,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:14,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:24:14,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:24:14,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:24:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:14,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:14,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:14,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:14,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:14,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:24:14,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:14,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:14,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:14,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:14,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:24:14,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:14,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:24:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:14,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:14,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:14,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:24:14,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:14,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:24:14,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:14,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:14,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:14,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:14,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:24:14,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:14,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:24:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:14,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:14,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:14,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:14,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:14,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:24:14,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:14,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:14,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:24:14,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:24:14,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:24:14,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:14,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:24:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:14,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:14,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:14,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:14,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:14,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:24:14,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:14,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:14,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:24:14,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:24:14,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:24:14,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:14,862 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 11:24:14,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2049660180] [2020-10-29 11:24:14,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:24:14,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 11:24:14,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750047848] [2020-10-29 11:24:14,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 11:24:14,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:24:14,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 11:24:14,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 11:24:14,889 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 4 states. [2020-10-29 11:24:15,380 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:24:16,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:24:16,776 INFO L93 Difference]: Finished difference Result 293 states and 386 transitions. [2020-10-29 11:24:16,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 11:24:16,778 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-29 11:24:16,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:24:16,791 INFO L225 Difference]: With dead ends: 293 [2020-10-29 11:24:16,791 INFO L226 Difference]: Without dead ends: 157 [2020-10-29 11:24:16,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 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 11:24:16,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-10-29 11:24:16,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 124. [2020-10-29 11:24:16,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-29 11:24:16,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 145 transitions. [2020-10-29 11:24:16,913 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 145 transitions. Word has length 47 [2020-10-29 11:24:16,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:24:16,913 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 145 transitions. [2020-10-29 11:24:16,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 11:24:16,914 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 145 transitions. [2020-10-29 11:24:16,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-29 11:24:16,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:24:16,921 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] [2020-10-29 11:24:16,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:24:16,921 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 11:24:16,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:24:16,922 INFO L82 PathProgramCache]: Analyzing trace with hash -392310109, now seen corresponding path program 1 times [2020-10-29 11:24:16,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:24:16,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697908255] [2020-10-29 11:24:16,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:24:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:16,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:17,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:17,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:18,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:18,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:18,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:21,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:21,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-29 11:24:21,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 11:24:21,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-29 11:24:21,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:21,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:21,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:24:21,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:24:21,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 11:24:21,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:24:22,439 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:24:22,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:24:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:22,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:22,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:22,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:22,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:22,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-29 11:24:22,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:22,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:22,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:22,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:22,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:24:22,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:22,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:24:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:22,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:22,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:22,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:24:22,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:22,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:24:22,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:22,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:22,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:22,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:22,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:24:22,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:22,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:24:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:22,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:22,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:22,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:24:22,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:22,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:24:22,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:22,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:22,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:22,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:22,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:24:22,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:22,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:24:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:22,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:22,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:22,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:22,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:22,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:24:22,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:22,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:22,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:22,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:22,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:24:22,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:22,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:24:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:22,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:22,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:22,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:24:22,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:22,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:24:22,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:22,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:22,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:22,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:22,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:24:22,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:22,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 11:24:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:22,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:22,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:22,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-29 11:24:22,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:22,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:24:22,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:22,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:22,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:22,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:22,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 11:24:22,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:22,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:24:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:22,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:22,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:22,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:24:22,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:22,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:24:22,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:22,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:22,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:24:22,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:22,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:24:22,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:22,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:24:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:22,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:22,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:22,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:24:22,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:22,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:24:22,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:22,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:22,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:24:22,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:22,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:24:22,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:24:22,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 11:24:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:22,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:22,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:22,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:22,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:22,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:24:22,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:22,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:22,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:24:22,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:22,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:24:22,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:22,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 11:24:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:22,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:22,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:22,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:22,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:22,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:24:22,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:22,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:22,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:24:22,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:24:22,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:24:22,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:22,759 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 11:24:22,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697908255] [2020-10-29 11:24:22,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:24:22,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:24:22,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224566569] [2020-10-29 11:24:22,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:24:22,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:24:22,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:24:22,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:24:22,764 INFO L87 Difference]: Start difference. First operand 124 states and 145 transitions. Second operand 8 states. [2020-10-29 11:24:23,392 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:24:25,067 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 206 [2020-10-29 11:24:26,011 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:24:27,006 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:24:27,447 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:24:28,261 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:24:29,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:24:29,469 INFO L93 Difference]: Finished difference Result 414 states and 560 transitions. [2020-10-29 11:24:29,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 11:24:29,477 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 61 [2020-10-29 11:24:29,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:24:29,488 INFO L225 Difference]: With dead ends: 414 [2020-10-29 11:24:29,488 INFO L226 Difference]: Without dead ends: 291 [2020-10-29 11:24:29,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2020-10-29 11:24:29,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-10-29 11:24:29,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 205. [2020-10-29 11:24:29,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-29 11:24:29,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 243 transitions. [2020-10-29 11:24:29,579 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 243 transitions. Word has length 61 [2020-10-29 11:24:29,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:24:29,579 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 243 transitions. [2020-10-29 11:24:29,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:24:29,579 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 243 transitions. [2020-10-29 11:24:29,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-29 11:24:29,583 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:24:29,583 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 11:24:29,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:24:29,584 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 11:24:29,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:24:29,585 INFO L82 PathProgramCache]: Analyzing trace with hash -2005083571, now seen corresponding path program 1 times [2020-10-29 11:24:29,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:24:29,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1898348864] [2020-10-29 11:24:29,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:24:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:29,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:29,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:30,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:30,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:31,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:31,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-29 11:24:31,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:24:31,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1988 [2020-10-29 11:24:31,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:31,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:31,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 11:24:31,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:24:31,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-29 11:24:31,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:32,037 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:24:32,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:24:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:32,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:32,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:32,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:32,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:32,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-29 11:24:32,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:32,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:32,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:32,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:32,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:24:32,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:32,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:24:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:32,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:32,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:32,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:24:32,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:32,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:24:32,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:32,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:32,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:32,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:32,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:24:32,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:32,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:24:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:32,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:32,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:32,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:24:32,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:32,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:24:32,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:32,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:32,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:32,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:32,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:24:32,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:24:32,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:24:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:32,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:32,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:32,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:32,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:32,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:24:32,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:32,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:32,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:32,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:32,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:24:32,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:32,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:24:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:32,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:32,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:32,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:24:32,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:32,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:24:32,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:32,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:32,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:32,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:32,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:24:32,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:32,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:24:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:32,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:32,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:32,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:32,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:32,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:24:32,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:32,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:32,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:32,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:32,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:24:32,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:32,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:24:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:32,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:32,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:32,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:32,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:32,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-29 11:24:32,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:24:32,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 11:24:32,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:32,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:32,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 11:24:32,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:24:32,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 11:24:32,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:32,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:24:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:32,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:32,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:32,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:24:32,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:32,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:24:32,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:32,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:32,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:24:32,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:24:32,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:24:32,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:32,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:24:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:32,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:32,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:32,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:24:32,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:32,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:24:32,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:32,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:32,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:32,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:32,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:24:32,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:32,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-29 11:24:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:32,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:32,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:32,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:32,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:32,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:24:32,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:32,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:32,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:24:32,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:32,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:24:32,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:32,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 11:24:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:24:32,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:24:32,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:24:32,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:24:32,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:24:32,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:24:32,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:24:32,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:24:32,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:24:32,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:24:32,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:24:32,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:24:32,328 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 11:24:32,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1898348864] [2020-10-29 11:24:32,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:24:32,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 11:24:32,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20209601] [2020-10-29 11:24:32,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 11:24:32,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:24:32,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 11:24:32,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-29 11:24:32,332 INFO L87 Difference]: Start difference. First operand 205 states and 243 transitions. Second operand 9 states. [2020-10-29 11:24:32,985 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:24:34,375 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:24:34,816 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:24:35,215 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:24:35,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:24:35,574 INFO L93 Difference]: Finished difference Result 350 states and 439 transitions. [2020-10-29 11:24:35,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 11:24:35,575 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-10-29 11:24:35,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:24:35,576 INFO L225 Difference]: With dead ends: 350 [2020-10-29 11:24:35,576 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 11:24:35,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:24:35,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 11:24:35,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 11:24:35,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 11:24:35,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 11:24:35,579 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2020-10-29 11:24:35,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:24:35,579 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 11:24:35,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 11:24:35,580 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 11:24:35,580 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 11:24:35,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 11:24:35,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 11:24:35,714 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:24:38,918 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-29 11:24:39,264 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:39,865 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 20 [2020-10-29 11:24:40,166 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:40,510 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-29 11:24:41,085 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-29 11:24:41,707 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 11 [2020-10-29 11:24:42,003 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2020-10-29 11:24:42,368 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:24:43,223 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 20 [2020-10-29 11:24:43,803 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2020-10-29 11:24:44,602 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 20 [2020-10-29 11:24:44,904 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:45,215 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:45,488 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2020-10-29 11:24:46,074 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2020-10-29 11:24:46,643 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-29 11:24:47,202 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 15 [2020-10-29 11:24:47,543 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:47,839 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-29 11:24:48,143 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:48,451 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:48,759 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:49,079 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-29 11:24:49,667 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-29 11:24:49,978 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:24:50,244 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-29 11:24:51,043 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 20 [2020-10-29 11:24:51,064 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-29 11:24:51,065 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-29 11:24:51,065 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-29 11:24:51,065 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-29 11:24:51,065 INFO L274 CegarLoopResult]: For program point L288(line 288) no Hoare annotation was computed. [2020-10-29 11:24:51,065 INFO L274 CegarLoopResult]: For program point L287-2(lines 287 308) no Hoare annotation was computed. [2020-10-29 11:24:51,066 INFO L274 CegarLoopResult]: For program point L309(lines 286 310) no Hoare annotation was computed. [2020-10-29 11:24:51,066 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 262 317) no Hoare annotation was computed. [2020-10-29 11:24:51,066 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 262 317) no Hoare annotation was computed. [2020-10-29 11:24:51,066 INFO L274 CegarLoopResult]: For program point L293(lines 293 297) no Hoare annotation was computed. [2020-10-29 11:24:51,066 INFO L274 CegarLoopResult]: For program point L293-1(lines 293 297) no Hoare annotation was computed. [2020-10-29 11:24:51,066 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 262 317) no Hoare annotation was computed. [2020-10-29 11:24:51,066 INFO L274 CegarLoopResult]: For program point L350(lines 350 354) no Hoare annotation was computed. [2020-10-29 11:24:51,066 INFO L274 CegarLoopResult]: For program point L350-1(lines 350 354) no Hoare annotation was computed. [2020-10-29 11:24:51,066 INFO L274 CegarLoopResult]: For program point L345(line 345) no Hoare annotation was computed. [2020-10-29 11:24:51,066 INFO L274 CegarLoopResult]: For program point L344-2(lines 344 369) no Hoare annotation was computed. [2020-10-29 11:24:51,067 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 318 377) no Hoare annotation was computed. [2020-10-29 11:24:51,067 INFO L274 CegarLoopResult]: For program point L370(lines 343 371) no Hoare annotation was computed. [2020-10-29 11:24:51,067 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 318 377) no Hoare annotation was computed. [2020-10-29 11:24:51,067 INFO L274 CegarLoopResult]: For program point L363(line 363) no Hoare annotation was computed. [2020-10-29 11:24:51,067 INFO L274 CegarLoopResult]: For program point L363-1(line 363) no Hoare annotation was computed. [2020-10-29 11:24:51,067 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 318 377) no Hoare annotation was computed. [2020-10-29 11:24:51,067 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 63 69) the Hoare annotation is: true [2020-10-29 11:24:51,067 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 63 69) no Hoare annotation was computed. [2020-10-29 11:24:51,067 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 70 78) no Hoare annotation was computed. [2020-10-29 11:24:51,067 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 70 78) the Hoare annotation is: true [2020-10-29 11:24:51,067 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 70 78) no Hoare annotation was computed. [2020-10-29 11:24:51,068 INFO L270 CegarLoopResult]: At program point L193(line 193) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:51,068 INFO L270 CegarLoopResult]: At program point L192(line 192) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:51,068 INFO L270 CegarLoopResult]: At program point L192-1(line 192) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:51,068 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 186 208) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:51,068 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 186 208) no Hoare annotation was computed. [2020-10-29 11:24:51,068 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 186 208) no Hoare annotation was computed. [2020-10-29 11:24:51,069 INFO L270 CegarLoopResult]: At program point L198(line 198) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:51,069 INFO L270 CegarLoopResult]: At program point L198-1(line 198) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:51,069 INFO L274 CegarLoopResult]: For program point L196(lines 196 203) no Hoare annotation was computed. [2020-10-29 11:24:51,069 INFO L274 CegarLoopResult]: For program point L196-1(lines 196 203) no Hoare annotation was computed. [2020-10-29 11:24:51,069 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-29 11:24:51,069 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-29 11:24:51,069 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-29 11:24:51,069 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 144 167) no Hoare annotation was computed. [2020-10-29 11:24:51,069 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-29 11:24:51,070 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-29 11:24:51,070 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-29 11:24:51,070 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 144 167) no Hoare annotation was computed. [2020-10-29 11:24:51,070 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-29 11:24:51,070 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 144 167) no Hoare annotation was computed. [2020-10-29 11:24:51,070 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-29 11:24:51,070 INFO L274 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-29 11:24:51,070 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-29 11:24:51,070 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-29 11:24:51,070 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-29 11:24:51,071 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-29 11:24:51,071 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-29 11:24:51,071 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-29 11:24:51,071 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 794 802) no Hoare annotation was computed. [2020-10-29 11:24:51,071 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 794 802) the Hoare annotation is: true [2020-10-29 11:24:51,071 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 794 802) no Hoare annotation was computed. [2020-10-29 11:24:51,071 INFO L274 CegarLoopResult]: For program point L848(lines 848 852) no Hoare annotation was computed. [2020-10-29 11:24:51,071 INFO L277 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: true [2020-10-29 11:24:51,071 INFO L274 CegarLoopResult]: For program point L848-2(lines 848 852) no Hoare annotation was computed. [2020-10-29 11:24:51,071 INFO L274 CegarLoopResult]: For program point L846-1(line 846) no Hoare annotation was computed. [2020-10-29 11:24:51,072 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 839 857) the Hoare annotation is: true [2020-10-29 11:24:51,072 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 839 857) no Hoare annotation was computed. [2020-10-29 11:24:51,072 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 839 857) no Hoare annotation was computed. [2020-10-29 11:24:51,072 INFO L274 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-10-29 11:24:51,072 INFO L274 CegarLoopResult]: For program point L833-1(line 833) no Hoare annotation was computed. [2020-10-29 11:24:51,072 INFO L274 CegarLoopResult]: For program point L822(lines 822 830) no Hoare annotation was computed. [2020-10-29 11:24:51,072 INFO L274 CegarLoopResult]: For program point L822-2(lines 822 830) no Hoare annotation was computed. [2020-10-29 11:24:51,072 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 803 838) no Hoare annotation was computed. [2020-10-29 11:24:51,072 INFO L274 CegarLoopResult]: For program point L810(lines 810 818) no Hoare annotation was computed. [2020-10-29 11:24:51,072 INFO L274 CegarLoopResult]: For program point L810-2(lines 810 818) no Hoare annotation was computed. [2020-10-29 11:24:51,072 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 803 838) no Hoare annotation was computed. [2020-10-29 11:24:51,073 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 803 838) no Hoare annotation was computed. [2020-10-29 11:24:51,073 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 56 62) no Hoare annotation was computed. [2020-10-29 11:24:51,073 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 56 62) the Hoare annotation is: true [2020-10-29 11:24:51,073 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 216 261) no Hoare annotation was computed. [2020-10-29 11:24:51,073 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 216 261) no Hoare annotation was computed. [2020-10-29 11:24:51,073 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 216 261) no Hoare annotation was computed. [2020-10-29 11:24:51,073 INFO L274 CegarLoopResult]: For program point L543(lines 543 563) no Hoare annotation was computed. [2020-10-29 11:24:51,073 INFO L274 CegarLoopResult]: For program point L543-1(lines 543 563) no Hoare annotation was computed. [2020-10-29 11:24:51,073 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 529 574) no Hoare annotation was computed. [2020-10-29 11:24:51,073 INFO L274 CegarLoopResult]: For program point L560(lines 560 561) no Hoare annotation was computed. [2020-10-29 11:24:51,074 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 553 554) no Hoare annotation was computed. [2020-10-29 11:24:51,074 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 560 561) no Hoare annotation was computed. [2020-10-29 11:24:51,074 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 529 574) no Hoare annotation was computed. [2020-10-29 11:24:51,074 INFO L274 CegarLoopResult]: For program point L553(lines 553 554) no Hoare annotation was computed. [2020-10-29 11:24:51,074 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 529 574) no Hoare annotation was computed. [2020-10-29 11:24:51,074 INFO L274 CegarLoopResult]: For program point L549(lines 549 556) no Hoare annotation was computed. [2020-10-29 11:24:51,074 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 176 185) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:51,074 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 176 185) no Hoare annotation was computed. [2020-10-29 11:24:51,074 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 176 185) no Hoare annotation was computed. [2020-10-29 11:24:51,075 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 783 793) the Hoare annotation is: true [2020-10-29 11:24:51,075 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 783 793) no Hoare annotation was computed. [2020-10-29 11:24:51,075 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 783 793) no Hoare annotation was computed. [2020-10-29 11:24:51,075 INFO L277 CegarLoopResult]: At program point L788(line 788) the Hoare annotation is: true [2020-10-29 11:24:51,075 INFO L274 CegarLoopResult]: For program point L788-1(line 788) no Hoare annotation was computed. [2020-10-29 11:24:51,075 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 775 782) the Hoare annotation is: true [2020-10-29 11:24:51,075 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 775 782) no Hoare annotation was computed. [2020-10-29 11:24:51,075 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 775 782) no Hoare annotation was computed. [2020-10-29 11:24:51,075 INFO L270 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:51,075 INFO L274 CegarLoopResult]: For program point L761-1(lines 742 766) no Hoare annotation was computed. [2020-10-29 11:24:51,075 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 742 766) no Hoare annotation was computed. [2020-10-29 11:24:51,076 INFO L270 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:51,076 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 742 766) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:51,076 INFO L270 CegarLoopResult]: At program point L752(line 752) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:51,076 INFO L274 CegarLoopResult]: For program point L750(lines 750 758) no Hoare annotation was computed. [2020-10-29 11:24:51,076 INFO L270 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:51,076 INFO L274 CegarLoopResult]: For program point L748-1(line 748) no Hoare annotation was computed. [2020-10-29 11:24:51,076 INFO L274 CegarLoopResult]: For program point L746(lines 746 763) no Hoare annotation was computed. [2020-10-29 11:24:51,076 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 708 714) no Hoare annotation was computed. [2020-10-29 11:24:51,076 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 708 714) the Hoare annotation is: true [2020-10-29 11:24:51,077 INFO L270 CegarLoopResult]: At program point testENTRY(lines 867 932) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:51,077 INFO L270 CegarLoopResult]: At program point L925(lines 876 926) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0)))) [2020-10-29 11:24:51,077 INFO L274 CegarLoopResult]: For program point testFINAL(lines 867 932) no Hoare annotation was computed. [2020-10-29 11:24:51,077 INFO L274 CegarLoopResult]: For program point L915(lines 915 919) no Hoare annotation was computed. [2020-10-29 11:24:51,077 INFO L270 CegarLoopResult]: At program point L915-2(lines 907 920) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-29 11:24:51,077 INFO L274 CegarLoopResult]: For program point L878(lines 877 924) no Hoare annotation was computed. [2020-10-29 11:24:51,077 INFO L270 CegarLoopResult]: At program point L909(line 909) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-29 11:24:51,077 INFO L274 CegarLoopResult]: For program point L907(lines 907 920) no Hoare annotation was computed. [2020-10-29 11:24:51,078 INFO L270 CegarLoopResult]: At program point L899(line 899) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-29 11:24:51,078 INFO L274 CegarLoopResult]: For program point L897(lines 897 903) no Hoare annotation was computed. [2020-10-29 11:24:51,078 INFO L274 CegarLoopResult]: For program point L897-1(lines 897 903) no Hoare annotation was computed. [2020-10-29 11:24:51,078 INFO L270 CegarLoopResult]: At program point L922(lines 877 924) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-29 11:24:51,078 INFO L270 CegarLoopResult]: At program point L889(line 889) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-29 11:24:51,078 INFO L274 CegarLoopResult]: For program point L887(lines 887 893) no Hoare annotation was computed. [2020-10-29 11:24:51,078 INFO L274 CegarLoopResult]: For program point L887-1(lines 887 893) no Hoare annotation was computed. [2020-10-29 11:24:51,078 INFO L274 CegarLoopResult]: For program point L879(lines 879 883) no Hoare annotation was computed. [2020-10-29 11:24:51,078 INFO L274 CegarLoopResult]: For program point testEXIT(lines 867 932) no Hoare annotation was computed. [2020-10-29 11:24:51,079 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 507 508) no Hoare annotation was computed. [2020-10-29 11:24:51,079 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 514 515) no Hoare annotation was computed. [2020-10-29 11:24:51,079 INFO L274 CegarLoopResult]: For program point L507(lines 507 508) no Hoare annotation was computed. [2020-10-29 11:24:51,079 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 483 528) no Hoare annotation was computed. [2020-10-29 11:24:51,079 INFO L274 CegarLoopResult]: For program point L503(lines 503 510) no Hoare annotation was computed. [2020-10-29 11:24:51,079 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 483 528) no Hoare annotation was computed. [2020-10-29 11:24:51,079 INFO L274 CegarLoopResult]: For program point L497(lines 497 517) no Hoare annotation was computed. [2020-10-29 11:24:51,079 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 483 528) no Hoare annotation was computed. [2020-10-29 11:24:51,079 INFO L274 CegarLoopResult]: For program point L497-1(lines 497 517) no Hoare annotation was computed. [2020-10-29 11:24:51,079 INFO L274 CegarLoopResult]: For program point L514(lines 514 515) no Hoare annotation was computed. [2020-10-29 11:24:51,079 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 668 676) no Hoare annotation was computed. [2020-10-29 11:24:51,080 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 668 676) the Hoare annotation is: true [2020-10-29 11:24:51,080 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 668 676) no Hoare annotation was computed. [2020-10-29 11:24:51,080 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 636 658) no Hoare annotation was computed. [2020-10-29 11:24:51,080 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 636 658) no Hoare annotation was computed. [2020-10-29 11:24:51,080 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 636 658) no Hoare annotation was computed. [2020-10-29 11:24:51,080 INFO L274 CegarLoopResult]: For program point L644(lines 644 652) no Hoare annotation was computed. [2020-10-29 11:24:51,080 INFO L274 CegarLoopResult]: For program point L644-2(lines 644 652) no Hoare annotation was computed. [2020-10-29 11:24:51,080 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 46 55) no Hoare annotation was computed. [2020-10-29 11:24:51,080 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 46 55) no Hoare annotation was computed. [2020-10-29 11:24:51,080 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 46 55) no Hoare annotation was computed. [2020-10-29 11:24:51,080 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 380 482) no Hoare annotation was computed. [2020-10-29 11:24:51,081 INFO L274 CegarLoopResult]: For program point L409(lines 409 425) no Hoare annotation was computed. [2020-10-29 11:24:51,081 INFO L274 CegarLoopResult]: For program point L469(lines 469 476) no Hoare annotation was computed. [2020-10-29 11:24:51,081 INFO L274 CegarLoopResult]: For program point L430(lines 429 449) no Hoare annotation was computed. [2020-10-29 11:24:51,081 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-10-29 11:24:51,081 INFO L274 CegarLoopResult]: For program point L461-1(line 461) no Hoare annotation was computed. [2020-10-29 11:24:51,081 INFO L274 CegarLoopResult]: For program point L426(lines 426 467) no Hoare annotation was computed. [2020-10-29 11:24:51,081 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 380 482) no Hoare annotation was computed. [2020-10-29 11:24:51,081 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-29 11:24:51,081 INFO L274 CegarLoopResult]: For program point L445-1(line 445) no Hoare annotation was computed. [2020-10-29 11:24:51,081 INFO L274 CegarLoopResult]: For program point L404(lines 404 408) no Hoare annotation was computed. [2020-10-29 11:24:51,082 INFO L274 CegarLoopResult]: For program point L468(lines 468 479) no Hoare annotation was computed. [2020-10-29 11:24:51,082 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 380 482) no Hoare annotation was computed. [2020-10-29 11:24:51,082 INFO L274 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-10-29 11:24:51,082 INFO L274 CegarLoopResult]: For program point L429-2(lines 429 449) no Hoare annotation was computed. [2020-10-29 11:24:51,082 INFO L274 CegarLoopResult]: For program point L450(lines 428 451) no Hoare annotation was computed. [2020-10-29 11:24:51,082 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:24:51,083 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~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string34.base| |old(#t~string34.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~string43.offset| |old(#t~string43.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~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 11:24:51,083 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:24:51,083 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 767 774) no Hoare annotation was computed. [2020-10-29 11:24:51,083 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 767 774) no Hoare annotation was computed. [2020-10-29 11:24:51,083 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 767 774) no Hoare annotation was computed. [2020-10-29 11:24:51,083 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 659 667) no Hoare annotation was computed. [2020-10-29 11:24:51,083 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 659 667) no Hoare annotation was computed. [2020-10-29 11:24:51,083 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 659 667) no Hoare annotation was computed. [2020-10-29 11:24:51,083 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 615 626) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-29 11:24:51,084 INFO L274 CegarLoopResult]: For program point L619-1(lines 615 626) no Hoare annotation was computed. [2020-10-29 11:24:51,084 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 615 626) no Hoare annotation was computed. [2020-10-29 11:24:51,084 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:24:51,084 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-29 11:24:51,084 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:24:51,084 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 627 635) the Hoare annotation is: true [2020-10-29 11:24:51,084 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 627 635) no Hoare annotation was computed. [2020-10-29 11:24:51,084 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 627 635) no Hoare annotation was computed. [2020-10-29 11:24:51,085 INFO L270 CegarLoopResult]: At program point L697(line 697) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) .cse1 (not (= |old(~pumpRunning~0)| 0))) (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1))) [2020-10-29 11:24:51,085 INFO L270 CegarLoopResult]: At program point L695(lines 695 701) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:51,085 INFO L270 CegarLoopResult]: At program point L690(line 690) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2020-10-29 11:24:51,085 INFO L274 CegarLoopResult]: For program point L688(lines 687 706) no Hoare annotation was computed. [2020-10-29 11:24:51,085 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 684 707) 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 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-10-29 11:24:51,085 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 684 707) no Hoare annotation was computed. [2020-10-29 11:24:51,085 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 684 707) no Hoare annotation was computed. [2020-10-29 11:24:51,085 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 111 140) no Hoare annotation was computed. [2020-10-29 11:24:51,086 INFO L274 CegarLoopResult]: For program point L125(lines 125 129) no Hoare annotation was computed. [2020-10-29 11:24:51,086 INFO L270 CegarLoopResult]: At program point cleanupENTRY(lines 111 140) 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 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-10-29 11:24:51,086 INFO L270 CegarLoopResult]: At program point L125-1(lines 125 129) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:51,086 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-29 11:24:51,086 INFO L270 CegarLoopResult]: At program point L121-2(lines 121 135) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:51,086 INFO L270 CegarLoopResult]: At program point L117(line 117) 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 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-10-29 11:24:51,086 INFO L274 CegarLoopResult]: For program point L117-1(line 117) no Hoare annotation was computed. [2020-10-29 11:24:51,086 INFO L277 CegarLoopResult]: At program point L136(lines 111 140) the Hoare annotation is: true [2020-10-29 11:24:51,087 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-29 11:24:51,087 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 591 602) the Hoare annotation is: true [2020-10-29 11:24:51,087 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 591 602) no Hoare annotation was computed. [2020-10-29 11:24:51,087 INFO L274 CegarLoopResult]: For program point L595-1(lines 591 602) no Hoare annotation was computed. [2020-10-29 11:24:51,087 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 168 174) no Hoare annotation was computed. [2020-10-29 11:24:51,087 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 168 174) the Hoare annotation is: true [2020-10-29 11:24:51,087 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:24:51,087 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-29 11:24:51,087 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 11:24:51,087 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:24:51,088 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 858 865) no Hoare annotation was computed. [2020-10-29 11:24:51,088 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 858 865) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-10-29 11:24:51,088 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 858 865) no Hoare annotation was computed. [2020-10-29 11:24:51,088 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 603 614) no Hoare annotation was computed. [2020-10-29 11:24:51,088 INFO L274 CegarLoopResult]: For program point L607-1(lines 603 614) no Hoare annotation was computed. [2020-10-29 11:24:51,088 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 603 614) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:24:51,088 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 576 583) no Hoare annotation was computed. [2020-10-29 11:24:51,088 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 576 583) the Hoare annotation is: true [2020-10-29 11:24:51,088 INFO L274 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-29 11:24:51,088 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 576 583) no Hoare annotation was computed. [2020-10-29 11:24:51,089 INFO L270 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:24:51,089 INFO L274 CegarLoopResult]: For program point L95(lines 95 101) no Hoare annotation was computed. [2020-10-29 11:24:51,089 INFO L270 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:24:51,089 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 83 107) the Hoare annotation is: true [2020-10-29 11:24:51,089 INFO L274 CegarLoopResult]: For program point L93-1(line 93) no Hoare annotation was computed. [2020-10-29 11:24:51,089 INFO L274 CegarLoopResult]: For program point L91(lines 91 104) no Hoare annotation was computed. [2020-10-29 11:24:51,089 INFO L274 CegarLoopResult]: For program point L91-1(lines 83 107) no Hoare annotation was computed. [2020-10-29 11:24:51,089 INFO L277 CegarLoopResult]: At program point L89(line 89) the Hoare annotation is: true [2020-10-29 11:24:51,089 INFO L274 CegarLoopResult]: For program point L89-1(line 89) no Hoare annotation was computed. [2020-10-29 11:24:51,090 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 83 107) no Hoare annotation was computed. [2020-10-29 11:24:51,090 INFO L270 CegarLoopResult]: At program point L735(line 735) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:51,090 INFO L274 CegarLoopResult]: For program point L735-1(lines 716 740) no Hoare annotation was computed. [2020-10-29 11:24:51,090 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 716 740) no Hoare annotation was computed. [2020-10-29 11:24:51,090 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 716 740) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:51,090 INFO L270 CegarLoopResult]: At program point L730(line 730) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:51,090 INFO L270 CegarLoopResult]: At program point L726(line 726) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:51,090 INFO L274 CegarLoopResult]: For program point L724(lines 724 732) no Hoare annotation was computed. [2020-10-29 11:24:51,090 INFO L270 CegarLoopResult]: At program point L722(line 722) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:51,091 INFO L274 CegarLoopResult]: For program point L722-1(line 722) no Hoare annotation was computed. [2020-10-29 11:24:51,091 INFO L274 CegarLoopResult]: For program point L720(lines 720 737) no Hoare annotation was computed. [2020-10-29 11:24:51,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 11:24:51 BoogieIcfgContainer [2020-10-29 11:24:51,108 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 11:24:51,110 INFO L168 Benchmark]: Toolchain (without parser) took 44387.24 ms. Allocated memory was 158.3 MB in the beginning and 574.6 MB in the end (delta: 416.3 MB). Free memory was 133.2 MB in the beginning and 469.7 MB in the end (delta: -336.5 MB). Peak memory consumption was 343.1 MB. Max. memory is 8.0 GB. [2020-10-29 11:24:51,111 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 125.8 MB. Free memory was 100.4 MB in the beginning and 100.2 MB in the end (delta: 130.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 11:24:51,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.69 ms. Allocated memory is still 158.3 MB. Free memory was 132.6 MB in the beginning and 111.6 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-29 11:24:51,113 INFO L168 Benchmark]: Boogie Preprocessor took 87.43 ms. Allocated memory is still 158.3 MB. Free memory was 111.6 MB in the beginning and 107.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-29 11:24:51,114 INFO L168 Benchmark]: RCFGBuilder took 1438.65 ms. Allocated memory is still 158.3 MB. Free memory was 107.4 MB in the beginning and 100.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 8.0 GB. [2020-10-29 11:24:51,115 INFO L168 Benchmark]: TraceAbstraction took 42294.52 ms. Allocated memory was 158.3 MB in the beginning and 574.6 MB in the end (delta: 416.3 MB). Free memory was 100.1 MB in the beginning and 469.7 MB in the end (delta: -369.6 MB). Peak memory consumption was 309.3 MB. Max. memory is 8.0 GB. [2020-10-29 11:24:51,118 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 125.8 MB. Free memory was 100.4 MB in the beginning and 100.2 MB in the end (delta: 130.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 555.69 ms. Allocated memory is still 158.3 MB. Free memory was 132.6 MB in the beginning and 111.6 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 87.43 ms. Allocated memory is still 158.3 MB. Free memory was 111.6 MB in the beginning and 107.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1438.65 ms. Allocated memory is still 158.3 MB. Free memory was 107.4 MB in the beginning and 100.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 42294.52 ms. Allocated memory was 158.3 MB in the beginning and 574.6 MB in the end (delta: 416.3 MB). Free memory was 100.1 MB in the beginning and 469.7 MB in the end (delta: -369.6 MB). Peak memory consumption was 309.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 514]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 507]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 553]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 560]: 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: 121]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || (methaneLevelCritical == 0 && 1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (1 == systemActive && pumpRunning == 0) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (1 == systemActive && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 240 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 11.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 323 SDtfs, 618 SDslu, 253 SDs, 0 SdLazy, 1363 SolverSat, 393 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=205occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 119 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 326 PreInvPairs, 410 NumberOfFragments, 929 HoareAnnotationTreeSize, 326 FomulaSimplifications, 39620 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 59 FomulaSimplificationsInter, 10778 FormulaSimplificationTreeSizeReductionInter, 12.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 14.0s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 58878 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...