/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:05:40,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:05:40,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:05:40,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:05:40,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:05:40,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:05:40,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:05:40,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:05:40,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:05:40,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:05:40,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:05:40,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:05:40,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:05:40,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:05:40,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:05:40,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:05:40,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:05:40,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:05:40,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:05:40,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:05:40,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:05:40,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:05:40,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:05:40,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:05:40,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 21:05:40,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 21:05:40,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 21:05:40,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 21:05:40,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 21:05:40,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 21:05:40,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 21:05:40,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 21:05:40,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 21:05:40,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 21:05:40,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 21:05:40,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 21:05:40,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 21:05:40,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 21:05:40,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:05:40,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:05:40,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:05:40,100 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 21:05:40,121 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:05:40,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:05:40,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:05:40,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:05:40,123 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:05:40,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:05:40,123 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:05:40,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:05:40,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:05:40,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:05:40,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:05:40,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:05:40,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:05:40,124 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:05:40,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:05:40,125 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:05:40,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:05:40,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:05:40,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:05:40,125 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:05:40,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:05:40,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:05:40,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:05:40,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:05:40,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:05:40,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:05:40,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:05:40,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:05:40,127 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:05:40,128 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:05:40,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:05:40,403 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:05:40,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:05:40,408 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:05:40,408 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:05:40,409 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2020-07-19 21:05:40,478 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84363a824/00f031a5b1ae4bfea8514227c0d91476/FLAG00d4f1b81 [2020-07-19 21:05:40,956 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:05:40,957 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2020-07-19 21:05:40,973 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84363a824/00f031a5b1ae4bfea8514227c0d91476/FLAG00d4f1b81 [2020-07-19 21:05:41,298 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84363a824/00f031a5b1ae4bfea8514227c0d91476 [2020-07-19 21:05:41,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:05:41,311 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:05:41,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:05:41,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:05:41,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:05:41,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:05:41" (1/1) ... [2020-07-19 21:05:41,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dfb43f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:41, skipping insertion in model container [2020-07-19 21:05:41,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:05:41" (1/1) ... [2020-07-19 21:05:41,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:05:41,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:05:41,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:05:41,748 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:05:41,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:05:42,012 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:05:42,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:42 WrapperNode [2020-07-19 21:05:42,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:05:42,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:05:42,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:05:42,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:05:42,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:42" (1/1) ... [2020-07-19 21:05:42,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:42" (1/1) ... [2020-07-19 21:05:42,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:42" (1/1) ... [2020-07-19 21:05:42,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:42" (1/1) ... [2020-07-19 21:05:42,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:42" (1/1) ... [2020-07-19 21:05:42,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:42" (1/1) ... [2020-07-19 21:05:42,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:42" (1/1) ... [2020-07-19 21:05:42,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:05:42,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:05:42,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:05:42,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:05:42,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-19 21:05:42,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:05:42,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:05:42,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 21:05:42,166 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 21:05:42,166 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 21:05:42,166 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 21:05:42,167 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 21:05:42,167 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 21:05:42,167 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 21:05:42,167 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 21:05:42,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 21:05:42,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 21:05:42,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 21:05:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 21:05:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 21:05:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 21:05:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 21:05:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 21:05:42,168 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 21:05:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-19 21:05:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 21:05:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 21:05:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 21:05:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 21:05:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 21:05:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 21:05:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 21:05:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 21:05:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 21:05:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 21:05:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 21:05:42,170 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 21:05:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 21:05:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 21:05:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 21:05:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 21:05:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 21:05:42,171 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:05:42,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 21:05:42,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-19 21:05:42,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-19 21:05:42,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-19 21:05:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:05:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:05:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 21:05:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 21:05:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 21:05:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 21:05:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 21:05:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 21:05:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 21:05:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 21:05:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 21:05:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 21:05:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 21:05:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 21:05:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 21:05:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 21:05:42,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 21:05:42,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 21:05:42,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 21:05:42,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 21:05:42,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 21:05:42,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 21:05:42,175 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 21:05:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 21:05:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 21:05:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 21:05:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 21:05:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 21:05:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 21:05:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 21:05:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 21:05:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 21:05:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 21:05:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 21:05:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-19 21:05:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-19 21:05:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 21:05:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 21:05:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 21:05:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-19 21:05:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 21:05:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 21:05:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 21:05:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 21:05:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 21:05:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 21:05:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 21:05:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 21:05:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 21:05:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-19 21:05:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 21:05:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:05:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 21:05:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:05:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 21:05:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:05:43,169 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:05:43,169 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 21:05:43,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:05:43 BoogieIcfgContainer [2020-07-19 21:05:43,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:05:43,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:05:43,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:05:43,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:05:43,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:05:41" (1/3) ... [2020-07-19 21:05:43,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e29ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:05:43, skipping insertion in model container [2020-07-19 21:05:43,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:05:42" (2/3) ... [2020-07-19 21:05:43,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e29ce4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:05:43, skipping insertion in model container [2020-07-19 21:05:43,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:05:43" (3/3) ... [2020-07-19 21:05:43,183 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2020-07-19 21:05:43,192 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:05:43,200 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:05:43,213 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:05:43,237 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:05:43,237 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:05:43,238 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:05:43,238 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:05:43,238 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:05:43,238 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:05:43,239 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:05:43,239 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:05:43,261 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2020-07-19 21:05:43,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 21:05:43,270 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:43,271 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:05:43,272 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:43,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:43,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1834170296, now seen corresponding path program 1 times [2020-07-19 21:05:43,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:43,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672095091] [2020-07-19 21:05:43,285 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5b76c7 [2020-07-19 21:05:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:43,895 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:44,014 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:05:44,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672095091] [2020-07-19 21:05:44,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:44,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:05:44,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909926387] [2020-07-19 21:05:44,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 21:05:44,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:44,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 21:05:44,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:05:44,040 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 4 states. [2020-07-19 21:05:45,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:45,121 INFO L93 Difference]: Finished difference Result 318 states and 403 transitions. [2020-07-19 21:05:45,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 21:05:45,123 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-19 21:05:45,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:45,138 INFO L225 Difference]: With dead ends: 318 [2020-07-19 21:05:45,138 INFO L226 Difference]: Without dead ends: 176 [2020-07-19 21:05:45,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:05:45,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-07-19 21:05:45,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 143. [2020-07-19 21:05:45,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-07-19 21:05:45,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 165 transitions. [2020-07-19 21:05:45,239 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 165 transitions. Word has length 59 [2020-07-19 21:05:45,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:45,240 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 165 transitions. [2020-07-19 21:05:45,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 21:05:45,241 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 165 transitions. [2020-07-19 21:05:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-19 21:05:45,248 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:45,248 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:05:45,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:05:45,248 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:45,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:45,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1514103119, now seen corresponding path program 1 times [2020-07-19 21:05:45,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:45,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690189705] [2020-07-19 21:05:45,250 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5b76c7 [2020-07-19 21:05:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:45,589 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:45,650 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:05:45,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690189705] [2020-07-19 21:05:45,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:45,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 21:05:45,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935074066] [2020-07-19 21:05:45,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:05:45,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:45,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:05:45,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:05:45,654 INFO L87 Difference]: Start difference. First operand 143 states and 165 transitions. Second operand 5 states. [2020-07-19 21:05:46,066 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:46,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:46,932 INFO L93 Difference]: Finished difference Result 250 states and 301 transitions. [2020-07-19 21:05:46,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 21:05:46,935 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-19 21:05:46,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:46,938 INFO L225 Difference]: With dead ends: 250 [2020-07-19 21:05:46,938 INFO L226 Difference]: Without dead ends: 166 [2020-07-19 21:05:46,942 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:05:46,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-07-19 21:05:46,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 134. [2020-07-19 21:05:46,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-07-19 21:05:46,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 153 transitions. [2020-07-19 21:05:46,997 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 153 transitions. Word has length 60 [2020-07-19 21:05:46,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:46,998 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 153 transitions. [2020-07-19 21:05:46,998 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:05:46,998 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2020-07-19 21:05:47,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-19 21:05:47,004 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:47,004 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:05:47,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:05:47,005 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:47,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:47,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1793464780, now seen corresponding path program 1 times [2020-07-19 21:05:47,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:47,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008225063] [2020-07-19 21:05:47,006 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5b76c7 [2020-07-19 21:05:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,412 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:47,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:05:47,509 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008225063] [2020-07-19 21:05:47,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:47,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:05:47,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299711073] [2020-07-19 21:05:47,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:05:47,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:47,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:05:47,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:05:47,511 INFO L87 Difference]: Start difference. First operand 134 states and 153 transitions. Second operand 9 states. [2020-07-19 21:05:47,842 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:48,148 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:48,404 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:48,632 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:49,499 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:51,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:51,091 INFO L93 Difference]: Finished difference Result 451 states and 548 transitions. [2020-07-19 21:05:51,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 21:05:51,092 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-19 21:05:51,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:51,099 INFO L225 Difference]: With dead ends: 451 [2020-07-19 21:05:51,099 INFO L226 Difference]: Without dead ends: 345 [2020-07-19 21:05:51,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-19 21:05:51,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-07-19 21:05:51,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 272. [2020-07-19 21:05:51,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-07-19 21:05:51,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 322 transitions. [2020-07-19 21:05:51,169 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 322 transitions. Word has length 65 [2020-07-19 21:05:51,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:51,169 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 322 transitions. [2020-07-19 21:05:51,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:05:51,170 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 322 transitions. [2020-07-19 21:05:51,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-19 21:05:51,172 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:51,172 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:05:51,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 21:05:51,172 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:51,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:51,173 INFO L82 PathProgramCache]: Analyzing trace with hash -10520395, now seen corresponding path program 1 times [2020-07-19 21:05:51,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:51,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958087483] [2020-07-19 21:05:51,173 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5b76c7 [2020-07-19 21:05:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,484 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:51,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:05:51,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958087483] [2020-07-19 21:05:51,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:51,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:05:51,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177221130] [2020-07-19 21:05:51,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:05:51,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:51,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:05:51,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:05:51,615 INFO L87 Difference]: Start difference. First operand 272 states and 322 transitions. Second operand 9 states. [2020-07-19 21:05:51,962 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:52,619 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:53,499 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:53,727 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:54,011 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:54,287 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:05:54,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:54,852 INFO L93 Difference]: Finished difference Result 695 states and 884 transitions. [2020-07-19 21:05:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 21:05:54,852 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-19 21:05:54,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:54,862 INFO L225 Difference]: With dead ends: 695 [2020-07-19 21:05:54,862 INFO L226 Difference]: Without dead ends: 451 [2020-07-19 21:05:54,867 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-19 21:05:54,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2020-07-19 21:05:54,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 387. [2020-07-19 21:05:54,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-07-19 21:05:54,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 459 transitions. [2020-07-19 21:05:54,955 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 459 transitions. Word has length 70 [2020-07-19 21:05:54,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:54,956 INFO L479 AbstractCegarLoop]: Abstraction has 387 states and 459 transitions. [2020-07-19 21:05:54,956 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:05:54,956 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 459 transitions. [2020-07-19 21:05:54,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-19 21:05:54,958 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:54,959 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:05:54,959 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 21:05:54,959 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:54,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:54,959 INFO L82 PathProgramCache]: Analyzing trace with hash -762155168, now seen corresponding path program 1 times [2020-07-19 21:05:54,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:54,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687318252] [2020-07-19 21:05:54,960 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5b76c7 [2020-07-19 21:05:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,220 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:55,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:05:55,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687318252] [2020-07-19 21:05:55,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:55,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:05:55,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507449170] [2020-07-19 21:05:55,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:05:55,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:55,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:05:55,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:05:55,470 INFO L87 Difference]: Start difference. First operand 387 states and 459 transitions. Second operand 9 states. [2020-07-19 21:05:55,822 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:05:56,802 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:57,058 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:05:57,312 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:57,579 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:05:58,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:05:58,848 INFO L93 Difference]: Finished difference Result 1214 states and 1597 transitions. [2020-07-19 21:05:58,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 21:05:58,848 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2020-07-19 21:05:58,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:05:58,857 INFO L225 Difference]: With dead ends: 1214 [2020-07-19 21:05:58,857 INFO L226 Difference]: Without dead ends: 855 [2020-07-19 21:05:58,859 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-07-19 21:05:58,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2020-07-19 21:05:59,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 733. [2020-07-19 21:05:59,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2020-07-19 21:05:59,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 874 transitions. [2020-07-19 21:05:59,031 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 874 transitions. Word has length 103 [2020-07-19 21:05:59,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:05:59,031 INFO L479 AbstractCegarLoop]: Abstraction has 733 states and 874 transitions. [2020-07-19 21:05:59,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:05:59,032 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 874 transitions. [2020-07-19 21:05:59,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-19 21:05:59,037 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:05:59,040 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:05:59,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 21:05:59,041 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:05:59,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:05:59,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1731736191, now seen corresponding path program 1 times [2020-07-19 21:05:59,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:05:59,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244751329] [2020-07-19 21:05:59,044 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5b76c7 [2020-07-19 21:05:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,298 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:05:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:05:59,428 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:05:59,429 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244751329] [2020-07-19 21:05:59,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:05:59,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:05:59,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184778900] [2020-07-19 21:05:59,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:05:59,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:05:59,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:05:59,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:05:59,431 INFO L87 Difference]: Start difference. First operand 733 states and 874 transitions. Second operand 9 states. [2020-07-19 21:06:00,605 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:00,852 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:01,105 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:01,334 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:02,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:02,104 INFO L93 Difference]: Finished difference Result 1573 states and 2006 transitions. [2020-07-19 21:06:02,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 21:06:02,105 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2020-07-19 21:06:02,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:02,115 INFO L225 Difference]: With dead ends: 1573 [2020-07-19 21:06:02,115 INFO L226 Difference]: Without dead ends: 868 [2020-07-19 21:06:02,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 21:06:02,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2020-07-19 21:06:02,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 753. [2020-07-19 21:06:02,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2020-07-19 21:06:02,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 894 transitions. [2020-07-19 21:06:02,233 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 894 transitions. Word has length 103 [2020-07-19 21:06:02,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:02,234 INFO L479 AbstractCegarLoop]: Abstraction has 753 states and 894 transitions. [2020-07-19 21:06:02,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:06:02,234 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 894 transitions. [2020-07-19 21:06:02,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-19 21:06:02,237 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:02,237 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:06:02,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 21:06:02,237 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:02,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:02,238 INFO L82 PathProgramCache]: Analyzing trace with hash 513843263, now seen corresponding path program 1 times [2020-07-19 21:06:02,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:02,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657201949] [2020-07-19 21:06:02,239 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5b76c7 [2020-07-19 21:06:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,495 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:02,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:06:02,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657201949] [2020-07-19 21:06:02,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:06:02,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 21:06:02,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736527641] [2020-07-19 21:06:02,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:06:02,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:02,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:06:02,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:06:02,624 INFO L87 Difference]: Start difference. First operand 753 states and 894 transitions. Second operand 11 states. [2020-07-19 21:06:03,302 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:03,603 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:03,944 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:04,746 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:05,003 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:05,241 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:06,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:06,059 INFO L93 Difference]: Finished difference Result 1392 states and 1738 transitions. [2020-07-19 21:06:06,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 21:06:06,059 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 103 [2020-07-19 21:06:06,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:06,064 INFO L225 Difference]: With dead ends: 1392 [2020-07-19 21:06:06,064 INFO L226 Difference]: Without dead ends: 667 [2020-07-19 21:06:06,067 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 21:06:06,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2020-07-19 21:06:06,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 590. [2020-07-19 21:06:06,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-07-19 21:06:06,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 686 transitions. [2020-07-19 21:06:06,166 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 686 transitions. Word has length 103 [2020-07-19 21:06:06,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:06,166 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 686 transitions. [2020-07-19 21:06:06,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:06:06,166 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 686 transitions. [2020-07-19 21:06:06,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-19 21:06:06,171 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:06,171 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:06:06,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 21:06:06,172 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:06,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:06,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1595809660, now seen corresponding path program 1 times [2020-07-19 21:06:06,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:06,178 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359233042] [2020-07-19 21:06:06,178 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5b76c7 [2020-07-19 21:06:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,516 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:06,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:06:06,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359233042] [2020-07-19 21:06:06,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:06:06,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-19 21:06:06,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652258622] [2020-07-19 21:06:06,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-19 21:06:06,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:06,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-19 21:06:06,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-07-19 21:06:06,715 INFO L87 Difference]: Start difference. First operand 590 states and 686 transitions. Second operand 13 states. [2020-07-19 21:06:07,359 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:08,018 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:08,754 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:09,091 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:06:09,358 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:09,659 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:06:09,938 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:06:11,534 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:11,795 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:12,082 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:12,577 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:12,922 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:13,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:13,826 INFO L93 Difference]: Finished difference Result 2065 states and 2691 transitions. [2020-07-19 21:06:13,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-19 21:06:13,831 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 107 [2020-07-19 21:06:13,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:13,841 INFO L225 Difference]: With dead ends: 2065 [2020-07-19 21:06:13,841 INFO L226 Difference]: Without dead ends: 1679 [2020-07-19 21:06:13,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=431, Invalid=1731, Unknown=0, NotChecked=0, Total=2162 [2020-07-19 21:06:13,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1679 states. [2020-07-19 21:06:14,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1679 to 1494. [2020-07-19 21:06:14,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1494 states. [2020-07-19 21:06:14,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 1784 transitions. [2020-07-19 21:06:14,096 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 1784 transitions. Word has length 107 [2020-07-19 21:06:14,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:14,102 INFO L479 AbstractCegarLoop]: Abstraction has 1494 states and 1784 transitions. [2020-07-19 21:06:14,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-19 21:06:14,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1784 transitions. [2020-07-19 21:06:14,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-07-19 21:06:14,105 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:14,105 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:06:14,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 21:06:14,106 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:14,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:14,107 INFO L82 PathProgramCache]: Analyzing trace with hash 439174861, now seen corresponding path program 1 times [2020-07-19 21:06:14,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:14,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559197016] [2020-07-19 21:06:14,107 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5b76c7 [2020-07-19 21:06:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,497 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:14,819 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-19 21:06:14,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559197016] [2020-07-19 21:06:14,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165406227] [2020-07-19 21:06:14,820 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5b76c7 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:06:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:15,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 21:06:15,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:06:15,255 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:06:15,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:06:15,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-19 21:06:15,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750708148] [2020-07-19 21:06:15,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-19 21:06:15,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:15,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-19 21:06:15,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-19 21:06:15,259 INFO L87 Difference]: Start difference. First operand 1494 states and 1784 transitions. Second operand 20 states. [2020-07-19 21:06:15,750 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:16,087 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:06:16,367 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:06:16,622 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:06:17,287 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 21:06:17,616 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:17,989 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:06:18,355 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:06:19,743 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:20,496 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 21:06:20,790 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:21,100 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:21,819 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 21:06:22,384 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:22,607 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:22,862 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:23,128 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:06:23,702 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:24,412 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 21:06:24,730 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:24,988 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:25,234 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:25,501 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:06:25,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:25,710 INFO L93 Difference]: Finished difference Result 3065 states and 3773 transitions. [2020-07-19 21:06:25,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-07-19 21:06:25,711 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 151 [2020-07-19 21:06:25,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:25,722 INFO L225 Difference]: With dead ends: 3065 [2020-07-19 21:06:25,722 INFO L226 Difference]: Without dead ends: 1769 [2020-07-19 21:06:25,727 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1270 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=883, Invalid=3673, Unknown=0, NotChecked=0, Total=4556 [2020-07-19 21:06:25,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1769 states. [2020-07-19 21:06:26,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1769 to 1580. [2020-07-19 21:06:26,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1580 states. [2020-07-19 21:06:26,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 1833 transitions. [2020-07-19 21:06:26,064 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 1833 transitions. Word has length 151 [2020-07-19 21:06:26,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:26,065 INFO L479 AbstractCegarLoop]: Abstraction has 1580 states and 1833 transitions. [2020-07-19 21:06:26,065 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-19 21:06:26,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 1833 transitions. [2020-07-19 21:06:26,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-07-19 21:06:26,072 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:26,072 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:06:26,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-19 21:06:26,327 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:26,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:26,328 INFO L82 PathProgramCache]: Analyzing trace with hash -31492180, now seen corresponding path program 1 times [2020-07-19 21:06:26,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:26,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690523960] [2020-07-19 21:06:26,329 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5b76c7 [2020-07-19 21:06:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,703 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:27,061 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 81 proven. 31 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2020-07-19 21:06:27,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690523960] [2020-07-19 21:06:27,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461895952] [2020-07-19 21:06:27,062 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5b76c7 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:06:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:27,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 1238 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-19 21:06:27,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:06:27,427 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-07-19 21:06:27,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:06:27,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [16] total 17 [2020-07-19 21:06:27,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263092919] [2020-07-19 21:06:27,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:06:27,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:27,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:06:27,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-07-19 21:06:27,430 INFO L87 Difference]: Start difference. First operand 1580 states and 1833 transitions. Second operand 3 states. [2020-07-19 21:06:27,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:27,712 INFO L93 Difference]: Finished difference Result 2539 states and 2957 transitions. [2020-07-19 21:06:27,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:06:27,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2020-07-19 21:06:27,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:27,718 INFO L225 Difference]: With dead ends: 2539 [2020-07-19 21:06:27,719 INFO L226 Difference]: Without dead ends: 1010 [2020-07-19 21:06:27,724 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 365 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-07-19 21:06:27,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2020-07-19 21:06:27,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 985. [2020-07-19 21:06:27,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 985 states. [2020-07-19 21:06:27,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1123 transitions. [2020-07-19 21:06:27,998 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1123 transitions. Word has length 274 [2020-07-19 21:06:27,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:27,999 INFO L479 AbstractCegarLoop]: Abstraction has 985 states and 1123 transitions. [2020-07-19 21:06:27,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:06:27,999 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1123 transitions. [2020-07-19 21:06:28,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-07-19 21:06:28,005 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:28,005 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:06:28,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 21:06:28,221 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:28,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:28,221 INFO L82 PathProgramCache]: Analyzing trace with hash -395861888, now seen corresponding path program 1 times [2020-07-19 21:06:28,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:28,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394460985] [2020-07-19 21:06:28,222 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5b76c7 [2020-07-19 21:06:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,585 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:29,179 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 108 proven. 50 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2020-07-19 21:06:29,179 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394460985] [2020-07-19 21:06:29,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [879762605] [2020-07-19 21:06:29,180 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5b76c7 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:06:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:29,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 1335 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-19 21:06:29,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:06:29,977 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 263 proven. 4 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-07-19 21:06:29,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:06:29,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12] total 27 [2020-07-19 21:06:29,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871339751] [2020-07-19 21:06:29,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-07-19 21:06:29,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:29,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-07-19 21:06:29,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2020-07-19 21:06:29,981 INFO L87 Difference]: Start difference. First operand 985 states and 1123 transitions. Second operand 27 states. [2020-07-19 21:06:30,812 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-19 21:06:31,636 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:32,672 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-19 21:06:33,205 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-19 21:06:33,464 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:33,965 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-19 21:06:34,212 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:34,553 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:34,845 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:35,096 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:35,791 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:36,151 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:40,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:40,455 INFO L93 Difference]: Finished difference Result 2760 states and 3621 transitions. [2020-07-19 21:06:40,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-07-19 21:06:40,456 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 313 [2020-07-19 21:06:40,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:40,467 INFO L225 Difference]: With dead ends: 2760 [2020-07-19 21:06:40,468 INFO L226 Difference]: Without dead ends: 1826 [2020-07-19 21:06:40,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 524 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2060 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=1156, Invalid=5816, Unknown=0, NotChecked=0, Total=6972 [2020-07-19 21:06:40,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2020-07-19 21:06:40,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1168. [2020-07-19 21:06:40,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1168 states. [2020-07-19 21:06:40,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1336 transitions. [2020-07-19 21:06:40,720 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1336 transitions. Word has length 313 [2020-07-19 21:06:40,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:40,721 INFO L479 AbstractCegarLoop]: Abstraction has 1168 states and 1336 transitions. [2020-07-19 21:06:40,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-07-19 21:06:40,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1336 transitions. [2020-07-19 21:06:40,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-07-19 21:06:40,729 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:40,729 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:06:40,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-19 21:06:40,945 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:40,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:40,945 INFO L82 PathProgramCache]: Analyzing trace with hash -2075814644, now seen corresponding path program 1 times [2020-07-19 21:06:40,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:40,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079778482] [2020-07-19 21:06:40,946 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5b76c7 [2020-07-19 21:06:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,236 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,699 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 120 proven. 48 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2020-07-19 21:06:41,700 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079778482] [2020-07-19 21:06:41,700 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072260869] [2020-07-19 21:06:41,700 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5b76c7 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:06:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:41,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 1367 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-19 21:06:41,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:06:42,177 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 299 proven. 14 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-07-19 21:06:42,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:06:42,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9] total 24 [2020-07-19 21:06:42,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491619337] [2020-07-19 21:06:42,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-19 21:06:42,179 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:42,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-19 21:06:42,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2020-07-19 21:06:42,180 INFO L87 Difference]: Start difference. First operand 1168 states and 1336 transitions. Second operand 24 states. [2020-07-19 21:06:42,932 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-19 21:06:43,475 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:06:43,949 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:06:44,405 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:06:45,478 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:06:46,713 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:06:47,192 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:06:47,725 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:48,484 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:49,140 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:49,383 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:50,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:50,165 INFO L93 Difference]: Finished difference Result 2361 states and 2836 transitions. [2020-07-19 21:06:50,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-07-19 21:06:50,166 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 325 [2020-07-19 21:06:50,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:50,177 INFO L225 Difference]: With dead ends: 2361 [2020-07-19 21:06:50,177 INFO L226 Difference]: Without dead ends: 1353 [2020-07-19 21:06:50,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=542, Invalid=2320, Unknown=0, NotChecked=0, Total=2862 [2020-07-19 21:06:50,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2020-07-19 21:06:50,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 1170. [2020-07-19 21:06:50,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1170 states. [2020-07-19 21:06:50,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1335 transitions. [2020-07-19 21:06:50,467 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1335 transitions. Word has length 325 [2020-07-19 21:06:50,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:50,468 INFO L479 AbstractCegarLoop]: Abstraction has 1170 states and 1335 transitions. [2020-07-19 21:06:50,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-19 21:06:50,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1335 transitions. [2020-07-19 21:06:50,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-07-19 21:06:50,475 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:50,476 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:06:50,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:06:50,690 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:50,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:50,690 INFO L82 PathProgramCache]: Analyzing trace with hash -688487920, now seen corresponding path program 1 times [2020-07-19 21:06:50,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:50,691 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394480765] [2020-07-19 21:06:50,691 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5b76c7 [2020-07-19 21:06:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,095 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,586 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 103 proven. 6 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2020-07-19 21:06:51,587 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394480765] [2020-07-19 21:06:51,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791652305] [2020-07-19 21:06:51,589 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6e5b76c7 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:06:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:51,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 1367 conjuncts, 32 conjunts are in the unsatisfiable core [2020-07-19 21:06:51,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:06:52,114 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 259 proven. 12 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2020-07-19 21:06:52,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:06:52,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 26 [2020-07-19 21:06:52,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754227585] [2020-07-19 21:06:52,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-19 21:06:52,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:52,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-19 21:06:52,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=570, Unknown=0, NotChecked=0, Total=650 [2020-07-19 21:06:52,117 INFO L87 Difference]: Start difference. First operand 1170 states and 1335 transitions. Second operand 26 states. [2020-07-19 21:06:52,583 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:53,433 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:54,247 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:54,788 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-19 21:06:55,293 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-19 21:06:55,754 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-19 21:06:56,003 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:56,353 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:56,650 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:57,133 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-19 21:06:58,109 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:06:58,738 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-19 21:07:01,044 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:01,393 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:01,890 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-19 21:07:02,356 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-19 21:07:05,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:05,269 INFO L93 Difference]: Finished difference Result 2704 states and 3480 transitions. [2020-07-19 21:07:05,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2020-07-19 21:07:05,270 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 327 [2020-07-19 21:07:05,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:05,271 INFO L225 Difference]: With dead ends: 2704 [2020-07-19 21:07:05,271 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:07:05,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 459 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2563 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=1534, Invalid=6656, Unknown=0, NotChecked=0, Total=8190 [2020-07-19 21:07:05,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:07:05,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:07:05,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:07:05,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:07:05,282 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 327 [2020-07-19 21:07:05,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:05,282 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:07:05,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-19 21:07:05,282 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:07:05,282 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:07:05,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-19 21:07:05,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:07:09,250 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 572 DAG size of output: 450 [2020-07-19 21:07:18,973 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 362 [2020-07-19 21:07:21,881 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 304 [2020-07-19 21:07:22,866 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 393 [2020-07-19 21:07:23,571 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 356 [2020-07-19 21:07:25,050 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 356 [2020-07-19 21:07:28,078 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 15 [2020-07-19 21:07:28,946 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 27 [2020-07-19 21:07:29,150 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-19 21:07:29,353 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-07-19 21:07:29,516 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-19 21:07:29,913 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 21:07:30,109 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-19 21:07:32,560 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 358 DAG size of output: 34 [2020-07-19 21:07:32,734 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 1 [2020-07-19 21:07:32,872 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-07-19 21:07:33,201 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 39 [2020-07-19 21:07:33,385 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 1 [2020-07-19 21:07:34,124 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 29 [2020-07-19 21:07:34,777 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 57 [2020-07-19 21:07:35,594 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 26 [2020-07-19 21:07:35,799 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:37,485 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 255 DAG size of output: 44 [2020-07-19 21:07:37,655 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 1 [2020-07-19 21:07:37,934 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 1 [2020-07-19 21:07:39,333 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 228 DAG size of output: 37 [2020-07-19 21:07:39,668 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 15 [2020-07-19 21:07:41,314 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 268 DAG size of output: 38 [2020-07-19 21:07:41,645 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 15 [2020-07-19 21:07:41,835 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-07-19 21:07:42,017 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-19 21:07:43,951 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 204 DAG size of output: 39 [2020-07-19 21:07:45,452 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 244 DAG size of output: 35 [2020-07-19 21:07:46,094 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 24 [2020-07-19 21:07:46,682 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 26 [2020-07-19 21:07:47,228 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 18 [2020-07-19 21:07:48,556 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 248 DAG size of output: 38 [2020-07-19 21:07:48,700 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2020-07-19 21:07:48,863 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-19 21:07:49,044 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-19 21:07:49,869 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 28 [2020-07-19 21:07:51,920 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 304 DAG size of output: 36 [2020-07-19 21:07:52,102 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-19 21:07:52,282 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-19 21:07:52,448 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-07-19 21:07:53,334 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 29 [2020-07-19 21:07:53,525 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-07-19 21:07:53,723 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-19 21:07:53,887 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-19 21:07:54,622 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 54 [2020-07-19 21:07:55,179 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 21 [2020-07-19 21:07:56,027 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 29 [2020-07-19 21:07:56,903 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 31 [2020-07-19 21:07:57,487 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 25 [2020-07-19 21:07:57,822 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 15 [2020-07-19 21:07:58,839 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 34 [2020-07-19 21:07:58,856 INFO L268 CegarLoopResult]: For program point L224(lines 224 228) no Hoare annotation was computed. [2020-07-19 21:07:58,856 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 228) no Hoare annotation was computed. [2020-07-19 21:07:58,856 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-19 21:07:58,856 INFO L268 CegarLoopResult]: For program point L218-2(lines 218 239) no Hoare annotation was computed. [2020-07-19 21:07:58,856 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 193 248) no Hoare annotation was computed. [2020-07-19 21:07:58,856 INFO L268 CegarLoopResult]: For program point L240(lines 217 241) no Hoare annotation was computed. [2020-07-19 21:07:58,856 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 193 248) no Hoare annotation was computed. [2020-07-19 21:07:58,856 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 193 248) no Hoare annotation was computed. [2020-07-19 21:07:58,856 INFO L268 CegarLoopResult]: For program point L281(lines 281 285) no Hoare annotation was computed. [2020-07-19 21:07:58,857 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 285) no Hoare annotation was computed. [2020-07-19 21:07:58,857 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 249 308) no Hoare annotation was computed. [2020-07-19 21:07:58,857 INFO L268 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-07-19 21:07:58,857 INFO L268 CegarLoopResult]: For program point L275-2(lines 275 300) no Hoare annotation was computed. [2020-07-19 21:07:58,857 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 249 308) no Hoare annotation was computed. [2020-07-19 21:07:58,857 INFO L268 CegarLoopResult]: For program point L301(lines 274 302) no Hoare annotation was computed. [2020-07-19 21:07:58,858 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 249 308) no Hoare annotation was computed. [2020-07-19 21:07:58,858 INFO L268 CegarLoopResult]: For program point L294(line 294) no Hoare annotation was computed. [2020-07-19 21:07:58,858 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-07-19 21:07:58,858 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 803 809) the Hoare annotation is: true [2020-07-19 21:07:58,858 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 803 809) no Hoare annotation was computed. [2020-07-19 21:07:58,858 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 810 818) no Hoare annotation was computed. [2020-07-19 21:07:58,858 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 810 818) the Hoare annotation is: true [2020-07-19 21:07:58,859 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 810 818) no Hoare annotation was computed. [2020-07-19 21:07:58,859 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 928 935) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:07:58,859 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 928 935) no Hoare annotation was computed. [2020-07-19 21:07:58,859 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 928 935) no Hoare annotation was computed. [2020-07-19 21:07:58,860 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 936 945) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 .cse1 .cse5) (or .cse0 (not (< 1 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse1 (not (<= ~waterLevel~0 1)) .cse5))) [2020-07-19 21:07:58,860 INFO L268 CegarLoopResult]: For program point L941(line 941) no Hoare annotation was computed. [2020-07-19 21:07:58,860 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 936 945) no Hoare annotation was computed. [2020-07-19 21:07:58,860 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 936 945) no Hoare annotation was computed. [2020-07-19 21:07:58,860 INFO L264 CegarLoopResult]: At program point L961(line 961) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 2 ~waterLevel~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 ~systemActive~0)) .cse0) (or .cse1 .cse0 .cse2) (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse3 .cse2) (or .cse4 .cse0 .cse2) (or .cse4 .cse3 .cse2))) [2020-07-19 21:07:58,860 INFO L268 CegarLoopResult]: For program point L959(lines 959 965) no Hoare annotation was computed. [2020-07-19 21:07:58,861 INFO L268 CegarLoopResult]: For program point L958(lines 958 968) no Hoare annotation was computed. [2020-07-19 21:07:58,861 INFO L264 CegarLoopResult]: At program point L956(line 956) the Hoare annotation is: (let ((.cse0 (= __utac_acc__Specification5_spec__3_~tmp~8 ~waterLevel~0)) (.cse1 (not (<= ~waterLevel~0 1))) (.cse5 (not (= 0 ~systemActive~0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= 2 ~waterLevel~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse5 .cse1 .cse4) (or .cse6 .cse4 .cse3) (or (not (<= ~waterLevel~0 2)) .cse5 (not (< 1 ~waterLevel~0)) .cse4) (or .cse6 .cse2 .cse3))) [2020-07-19 21:07:58,861 INFO L268 CegarLoopResult]: For program point L956-1(line 956) no Hoare annotation was computed. [2020-07-19 21:07:58,861 INFO L268 CegarLoopResult]: For program point L954(lines 954 971) no Hoare annotation was computed. [2020-07-19 21:07:58,861 INFO L268 CegarLoopResult]: For program point L954-1(lines 946 974) no Hoare annotation was computed. [2020-07-19 21:07:58,861 INFO L271 CegarLoopResult]: At program point L952(line 952) the Hoare annotation is: true [2020-07-19 21:07:58,861 INFO L268 CegarLoopResult]: For program point L952-1(line 952) no Hoare annotation was computed. [2020-07-19 21:07:58,861 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 946 974) the Hoare annotation is: true [2020-07-19 21:07:58,862 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 946 974) no Hoare annotation was computed. [2020-07-19 21:07:58,862 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 894 916) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:07:58,862 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 894 916) no Hoare annotation was computed. [2020-07-19 21:07:58,862 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 894 916) no Hoare annotation was computed. [2020-07-19 21:07:58,862 INFO L264 CegarLoopResult]: At program point L906(line 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= 1 main_~tmp~7))) [2020-07-19 21:07:58,862 INFO L264 CegarLoopResult]: At program point L906-1(line 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= 1 main_~tmp~7))) [2020-07-19 21:07:58,862 INFO L268 CegarLoopResult]: For program point L904(lines 904 911) no Hoare annotation was computed. [2020-07-19 21:07:58,863 INFO L268 CegarLoopResult]: For program point L904-1(lines 904 911) no Hoare annotation was computed. [2020-07-19 21:07:58,863 INFO L268 CegarLoopResult]: For program point L902(line 902) no Hoare annotation was computed. [2020-07-19 21:07:58,863 INFO L264 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:07:58,863 INFO L264 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:07:58,863 INFO L264 CegarLoopResult]: At program point L900-1(line 900) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:07:58,863 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-07-19 21:07:58,863 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-19 21:07:58,863 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 851 874) no Hoare annotation was computed. [2020-07-19 21:07:58,863 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-19 21:07:58,863 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-07-19 21:07:58,864 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-19 21:07:58,864 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 851 874) no Hoare annotation was computed. [2020-07-19 21:07:58,864 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-19 21:07:58,864 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 851 874) no Hoare annotation was computed. [2020-07-19 21:07:58,864 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-07-19 21:07:58,864 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-19 21:07:58,864 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-19 21:07:58,864 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-19 21:07:58,864 INFO L268 CegarLoopResult]: For program point L869(line 869) no Hoare annotation was computed. [2020-07-19 21:07:58,864 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-07-19 21:07:58,865 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-07-19 21:07:58,865 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-07-19 21:07:58,865 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 688 702) no Hoare annotation was computed. [2020-07-19 21:07:58,865 INFO L264 CegarLoopResult]: At program point L694(line 694) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|))) (or .cse1 .cse2 .cse0 (not (< 1 ~waterLevel~0))) (or .cse1 .cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))))) [2020-07-19 21:07:58,865 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 688 702) the Hoare annotation is: (let ((.cse3 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse0 (and .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (< 1 ~waterLevel~0))) (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0))) (or .cse0 .cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)))))) [2020-07-19 21:07:58,865 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 688 702) no Hoare annotation was computed. [2020-07-19 21:07:58,865 INFO L268 CegarLoopResult]: For program point L692(lines 692 698) no Hoare annotation was computed. [2020-07-19 21:07:58,865 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 624 632) no Hoare annotation was computed. [2020-07-19 21:07:58,866 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 624 632) the Hoare annotation is: true [2020-07-19 21:07:58,866 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 624 632) no Hoare annotation was computed. [2020-07-19 21:07:58,866 INFO L268 CegarLoopResult]: For program point L640(lines 640 648) no Hoare annotation was computed. [2020-07-19 21:07:58,866 INFO L268 CegarLoopResult]: For program point L640-2(lines 640 648) no Hoare annotation was computed. [2020-07-19 21:07:58,866 INFO L268 CegarLoopResult]: For program point L663(line 663) no Hoare annotation was computed. [2020-07-19 21:07:58,866 INFO L268 CegarLoopResult]: For program point L663-1(line 663) no Hoare annotation was computed. [2020-07-19 21:07:58,866 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 633 668) no Hoare annotation was computed. [2020-07-19 21:07:58,866 INFO L268 CegarLoopResult]: For program point L652(lines 652 660) no Hoare annotation was computed. [2020-07-19 21:07:58,866 INFO L268 CegarLoopResult]: For program point L652-2(lines 652 660) no Hoare annotation was computed. [2020-07-19 21:07:58,866 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 633 668) no Hoare annotation was computed. [2020-07-19 21:07:58,866 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 633 668) no Hoare annotation was computed. [2020-07-19 21:07:58,866 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 796 802) no Hoare annotation was computed. [2020-07-19 21:07:58,866 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 796 802) the Hoare annotation is: true [2020-07-19 21:07:58,867 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 147 192) no Hoare annotation was computed. [2020-07-19 21:07:58,867 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 147 192) no Hoare annotation was computed. [2020-07-19 21:07:58,867 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 147 192) no Hoare annotation was computed. [2020-07-19 21:07:58,867 INFO L268 CegarLoopResult]: For program point L480(lines 480 487) no Hoare annotation was computed. [2020-07-19 21:07:58,867 INFO L268 CegarLoopResult]: For program point L474(lines 474 494) no Hoare annotation was computed. [2020-07-19 21:07:58,867 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 460 505) no Hoare annotation was computed. [2020-07-19 21:07:58,867 INFO L268 CegarLoopResult]: For program point L474-1(lines 474 494) no Hoare annotation was computed. [2020-07-19 21:07:58,867 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 460 505) no Hoare annotation was computed. [2020-07-19 21:07:58,867 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 460 505) no Hoare annotation was computed. [2020-07-19 21:07:58,867 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 883 893) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:07:58,867 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 883 893) no Hoare annotation was computed. [2020-07-19 21:07:58,868 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:07:58,868 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 883 893) no Hoare annotation was computed. [2020-07-19 21:07:58,868 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 613 623) the Hoare annotation is: true [2020-07-19 21:07:58,868 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 613 623) no Hoare annotation was computed. [2020-07-19 21:07:58,868 INFO L271 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: true [2020-07-19 21:07:58,868 INFO L268 CegarLoopResult]: For program point L618-1(line 618) no Hoare annotation was computed. [2020-07-19 21:07:58,868 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 613 623) no Hoare annotation was computed. [2020-07-19 21:07:58,868 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 605 612) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) (not (< 1 ~waterLevel~0))))) [2020-07-19 21:07:58,868 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 605 612) no Hoare annotation was computed. [2020-07-19 21:07:58,868 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 605 612) no Hoare annotation was computed. [2020-07-19 21:07:58,868 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-07-19 21:07:58,868 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-07-19 21:07:58,868 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-07-19 21:07:58,869 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-07-19 21:07:58,869 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-19 21:07:58,869 INFO L268 CegarLoopResult]: For program point L573-1(lines 554 578) no Hoare annotation was computed. [2020-07-19 21:07:58,869 INFO L264 CegarLoopResult]: At program point L568(line 568) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= 0 processEnvironment_~tmp~3) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-19 21:07:58,869 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 554 578) no Hoare annotation was computed. [2020-07-19 21:07:58,869 INFO L264 CegarLoopResult]: At program point L564(line 564) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 2 ~waterLevel~0)) .cse0))) [2020-07-19 21:07:58,869 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 554 578) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 .cse3))) [2020-07-19 21:07:58,869 INFO L268 CegarLoopResult]: For program point L562(lines 562 570) no Hoare annotation was computed. [2020-07-19 21:07:58,869 INFO L264 CegarLoopResult]: At program point L560(line 560) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-19 21:07:58,869 INFO L268 CegarLoopResult]: For program point L560-1(line 560) no Hoare annotation was computed. [2020-07-19 21:07:58,870 INFO L268 CegarLoopResult]: For program point L558(lines 558 575) no Hoare annotation was computed. [2020-07-19 21:07:58,870 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 546 552) no Hoare annotation was computed. [2020-07-19 21:07:58,870 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 546 552) the Hoare annotation is: true [2020-07-19 21:07:58,870 INFO L264 CegarLoopResult]: At program point testENTRY(lines 713 780) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:07:58,870 INFO L264 CegarLoopResult]: At program point L735(line 735) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 (= 1 ~waterLevel~0) .cse3 .cse5) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse3) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse1) (and .cse4 .cse0 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3 .cse5) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 .cse3 .cse5))) [2020-07-19 21:07:58,870 INFO L268 CegarLoopResult]: For program point L733(lines 733 739) no Hoare annotation was computed. [2020-07-19 21:07:58,870 INFO L268 CegarLoopResult]: For program point L733-1(lines 733 739) no Hoare annotation was computed. [2020-07-19 21:07:58,870 INFO L268 CegarLoopResult]: For program point testFINAL(lines 713 780) no Hoare annotation was computed. [2020-07-19 21:07:58,870 INFO L268 CegarLoopResult]: For program point L725(lines 725 729) no Hoare annotation was computed. [2020-07-19 21:07:58,870 INFO L264 CegarLoopResult]: At program point L773(lines 722 774) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:07:58,870 INFO L264 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= ~waterLevel~0 1) .cse1) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 21:07:58,871 INFO L268 CegarLoopResult]: For program point L761(lines 761 767) no Hoare annotation was computed. [2020-07-19 21:07:58,871 INFO L264 CegarLoopResult]: At program point L761-1(lines 753 768) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= 0 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= ~waterLevel~0 1) .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (< 1 ~waterLevel~0) .cse3 .cse1 .cse2) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 21:07:58,871 INFO L268 CegarLoopResult]: For program point L724(lines 723 772) no Hoare annotation was computed. [2020-07-19 21:07:58,871 INFO L264 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= ~waterLevel~0 1) .cse1) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 21:07:58,871 INFO L268 CegarLoopResult]: For program point L753(lines 753 768) no Hoare annotation was computed. [2020-07-19 21:07:58,871 INFO L264 CegarLoopResult]: At program point L745(line 745) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 1)) (and .cse0 .cse1 .cse2 (= 2 ~waterLevel~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse3 .cse4 .cse5) (and .cse0 .cse3 .cse2 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (< 1 ~waterLevel~0) .cse3 .cse4 .cse5) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 21:07:58,871 INFO L268 CegarLoopResult]: For program point L743(lines 743 749) no Hoare annotation was computed. [2020-07-19 21:07:58,871 INFO L268 CegarLoopResult]: For program point L743-1(lines 743 749) no Hoare annotation was computed. [2020-07-19 21:07:58,871 INFO L268 CegarLoopResult]: For program point testEXIT(lines 713 780) no Hoare annotation was computed. [2020-07-19 21:07:58,871 INFO L264 CegarLoopResult]: At program point L770(lines 723 772) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 1)) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse2 .cse4 .cse5) (and .cse6 .cse0 (= 1 ~waterLevel~0) .cse5 .cse7) (and .cse0 .cse2 .cse3 .cse5) (and .cse6 .cse0 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse5 .cse7) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse5 .cse7))) [2020-07-19 21:07:58,872 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 414 459) no Hoare annotation was computed. [2020-07-19 21:07:58,872 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 414 459) no Hoare annotation was computed. [2020-07-19 21:07:58,872 INFO L268 CegarLoopResult]: For program point L434(lines 434 441) no Hoare annotation was computed. [2020-07-19 21:07:58,872 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 414 459) no Hoare annotation was computed. [2020-07-19 21:07:58,872 INFO L268 CegarLoopResult]: For program point L428(lines 428 448) no Hoare annotation was computed. [2020-07-19 21:07:58,872 INFO L268 CegarLoopResult]: For program point L428-1(lines 428 448) no Hoare annotation was computed. [2020-07-19 21:07:58,872 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 579 586) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 21:07:58,872 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 579 586) no Hoare annotation was computed. [2020-07-19 21:07:58,872 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 579 586) no Hoare annotation was computed. [2020-07-19 21:07:58,872 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-19 21:07:58,872 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-19 21:07:58,872 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-19 21:07:58,872 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-19 21:07:58,872 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-19 21:07:58,873 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 311 413) no Hoare annotation was computed. [2020-07-19 21:07:58,873 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-07-19 21:07:58,873 INFO L268 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-07-19 21:07:58,873 INFO L268 CegarLoopResult]: For program point L335(lines 335 339) no Hoare annotation was computed. [2020-07-19 21:07:58,873 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-07-19 21:07:58,873 INFO L268 CegarLoopResult]: For program point L362(lines 362 366) no Hoare annotation was computed. [2020-07-19 21:07:58,873 INFO L268 CegarLoopResult]: For program point L360-2(lines 360 380) no Hoare annotation was computed. [2020-07-19 21:07:58,873 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 311 413) no Hoare annotation was computed. [2020-07-19 21:07:58,873 INFO L268 CegarLoopResult]: For program point L381(lines 359 382) no Hoare annotation was computed. [2020-07-19 21:07:58,873 INFO L268 CegarLoopResult]: For program point L340(lines 340 356) no Hoare annotation was computed. [2020-07-19 21:07:58,873 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 311 413) no Hoare annotation was computed. [2020-07-19 21:07:58,873 INFO L268 CegarLoopResult]: For program point L400(lines 400 407) no Hoare annotation was computed. [2020-07-19 21:07:58,873 INFO L268 CegarLoopResult]: For program point L361(lines 360 380) no Hoare annotation was computed. [2020-07-19 21:07:58,873 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-19 21:07:58,874 INFO L268 CegarLoopResult]: For program point L392-1(line 392) no Hoare annotation was computed. [2020-07-19 21:07:58,874 INFO L268 CegarLoopResult]: For program point L357(lines 357 398) no Hoare annotation was computed. [2020-07-19 21:07:58,874 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 786 795) no Hoare annotation was computed. [2020-07-19 21:07:58,874 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 786 795) no Hoare annotation was computed. [2020-07-19 21:07:58,874 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 786 795) no Hoare annotation was computed. [2020-07-19 21:07:58,874 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:07:58,874 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-19 21:07:58,875 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:07:58,875 INFO L264 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 21:07:58,875 INFO L268 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-07-19 21:07:58,875 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 588 604) no Hoare annotation was computed. [2020-07-19 21:07:58,875 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 588 604) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 21:07:58,875 INFO L264 CegarLoopResult]: At program point L599(line 599) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 21:07:58,875 INFO L268 CegarLoopResult]: For program point L599-1(lines 588 604) no Hoare annotation was computed. [2020-07-19 21:07:58,875 INFO L268 CegarLoopResult]: For program point L595(lines 595 601) no Hoare annotation was computed. [2020-07-19 21:07:58,875 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-07-19 21:07:58,876 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-19 21:07:58,876 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-19 21:07:58,876 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 669 687) no Hoare annotation was computed. [2020-07-19 21:07:58,876 INFO L268 CegarLoopResult]: For program point L678(lines 678 682) no Hoare annotation was computed. [2020-07-19 21:07:58,876 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 669 687) the Hoare annotation is: true [2020-07-19 21:07:58,876 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 669 687) no Hoare annotation was computed. [2020-07-19 21:07:58,876 INFO L271 CegarLoopResult]: At program point L676(line 676) the Hoare annotation is: true [2020-07-19 21:07:58,876 INFO L268 CegarLoopResult]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2020-07-19 21:07:58,876 INFO L268 CegarLoopResult]: For program point L676-1(line 676) no Hoare annotation was computed. [2020-07-19 21:07:58,876 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-19 21:07:58,877 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse4 (not (= 0 ~systemActive~0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse0 .cse4 (not (<= ~waterLevel~0 1)) .cse5) (or .cse1 .cse0 .cse5 .cse3) (or .cse0 (not (= 2 ~waterLevel~0)) .cse4 .cse5) (or .cse0 .cse1 (not (< 1 ~waterLevel~0)) .cse2 .cse3))) [2020-07-19 21:07:58,877 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-19 21:07:58,877 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:07:58,877 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 21:07:58,877 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:07:58,877 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-19 21:07:58,877 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-19 21:07:58,877 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-19 21:07:58,878 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse10 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= 1 ~systemActive~0))) (let ((.cse5 (not (<= |old(~waterLevel~0)| 0))) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse8 (and .cse10 .cse11 (<= ~waterLevel~0 0) .cse13 .cse12 (<= 1 ~pumpRunning~0))) (.cse4 (and .cse0 .cse13)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not .cse12))) (and (or (and .cse0 .cse1) .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 .cse2 .cse5 .cse3) (or .cse6 .cse7 .cse8 .cse5 .cse3) (or (not (= 0 ~systemActive~0)) .cse2 .cse9) (or .cse6 (not (<= |old(~waterLevel~0)| 1)) (and .cse10 .cse11 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse7 .cse8 .cse3) (or .cse4 (not (= 2 |old(~waterLevel~0)|)) .cse2 .cse3) (or .cse7 .cse9 (not (< 1 |old(~waterLevel~0)|)) (and .cse10 .cse11 .cse1) .cse3)))) [2020-07-19 21:07:58,878 INFO L264 CegarLoopResult]: At program point L533(lines 533 539) the Hoare annotation is: (let ((.cse8 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= 1 ~systemActive~0)) (.cse12 (<= 1 ~pumpRunning~0))) (let ((.cse4 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (and .cse8 .cse9 (<= ~waterLevel~0 0) .cse11 .cse13 .cse12)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~systemActive~0))) (.cse1 (and (= 0 ~pumpRunning~0) .cse11)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not .cse13))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 (not (<= |old(~waterLevel~0)| 0)) .cse7) (or .cse4 .cse0 (and .cse8 .cse9 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse5 .cse6 .cse7) (or .cse5 .cse10 (not (< 1 |old(~waterLevel~0)|)) (and .cse8 .cse9 (= 1 ~waterLevel~0)) .cse7) (or .cse1 (not (= 2 |old(~waterLevel~0)|)) .cse2 .cse3) (or .cse1 (and (= 2 ~waterLevel~0) .cse11 .cse12) .cse3 .cse10 .cse7)))) [2020-07-19 21:07:58,878 INFO L264 CegarLoopResult]: At program point L528(line 528) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1) (or .cse0 .cse1 .cse2) (or .cse3 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse4 .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse2))) [2020-07-19 21:07:58,878 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 519 545) the Hoare annotation is: (let ((.cse7 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse7 .cse8)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7 .cse8)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or .cse0 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse5 .cse6 .cse3 .cse4) (or .cse5 .cse6 .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse4)))) [2020-07-19 21:07:58,878 INFO L268 CegarLoopResult]: For program point L526(lines 522 544) no Hoare annotation was computed. [2020-07-19 21:07:58,879 INFO L268 CegarLoopResult]: For program point L524(lines 522 544) no Hoare annotation was computed. [2020-07-19 21:07:58,879 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 519 545) no Hoare annotation was computed. [2020-07-19 21:07:58,879 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 519 545) no Hoare annotation was computed. [2020-07-19 21:07:58,879 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-07-19 21:07:58,879 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 821 850) no Hoare annotation was computed. [2020-07-19 21:07:58,879 INFO L271 CegarLoopResult]: At program point L831-2(lines 831 845) the Hoare annotation is: true [2020-07-19 21:07:58,879 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 821 850) the Hoare annotation is: true [2020-07-19 21:07:58,879 INFO L271 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: true [2020-07-19 21:07:58,879 INFO L268 CegarLoopResult]: For program point L827-1(line 827) no Hoare annotation was computed. [2020-07-19 21:07:58,880 INFO L271 CegarLoopResult]: At program point L846(lines 821 850) the Hoare annotation is: true [2020-07-19 21:07:58,880 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-07-19 21:07:58,880 INFO L268 CegarLoopResult]: For program point L835(lines 835 839) no Hoare annotation was computed. [2020-07-19 21:07:58,880 INFO L271 CegarLoopResult]: At program point L835-1(lines 835 839) the Hoare annotation is: true [2020-07-19 21:07:58,880 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:07:58,880 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-19 21:07:58,880 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-19 21:07:58,880 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 875 881) no Hoare annotation was computed. [2020-07-19 21:07:58,880 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 875 881) the Hoare annotation is: true [2020-07-19 21:07:58,880 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:07:58,881 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 21:07:58,881 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:07:58,881 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:07:58,881 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 703 710) no Hoare annotation was computed. [2020-07-19 21:07:58,881 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 703 710) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (< 1 ~waterLevel~0)) .cse2) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2))) [2020-07-19 21:07:58,881 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 703 710) no Hoare annotation was computed. [2020-07-19 21:07:58,881 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-19 21:07:58,881 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-19 21:07:58,881 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse2 .cse3) (or .cse4 .cse1 .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse5 .cse1 .cse6) (or (not (= 2 |old(~waterLevel~0)|)) .cse5 .cse1 .cse6) (or (not (<= |old(~waterLevel~0)| 0)) .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse6 .cse3))) [2020-07-19 21:07:58,881 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2020-07-19 21:07:58,881 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2020-07-19 21:07:58,882 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2020-07-19 21:07:58,882 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2020-07-19 21:07:58,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:07:58 BoogieIcfgContainer [2020-07-19 21:07:58,901 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:07:58,905 INFO L168 Benchmark]: Toolchain (without parser) took 137595.88 ms. Allocated memory was 138.4 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 101.0 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-07-19 21:07:58,906 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 21:07:58,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.83 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 100.6 MB in the beginning and 173.7 MB in the end (delta: -73.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2020-07-19 21:07:58,909 INFO L168 Benchmark]: Boogie Preprocessor took 91.25 ms. Allocated memory is still 204.5 MB. Free memory was 173.7 MB in the beginning and 169.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-19 21:07:58,910 INFO L168 Benchmark]: RCFGBuilder took 1069.71 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 169.5 MB in the beginning and 199.0 MB in the end (delta: -29.5 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2020-07-19 21:07:58,910 INFO L168 Benchmark]: TraceAbstraction took 135725.28 ms. Allocated memory was 237.0 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 197.6 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-07-19 21:07:58,912 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 700.83 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 100.6 MB in the beginning and 173.7 MB in the end (delta: -73.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.25 ms. Allocated memory is still 204.5 MB. Free memory was 173.7 MB in the beginning and 169.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1069.71 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 169.5 MB in the beginning and 199.0 MB in the end (delta: -29.5 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 135725.28 ms. Allocated memory was 237.0 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 197.6 MB in the beginning and 1.2 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: (((((((((((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) && waterLevel <= 1) || (((0 == splverifierCounter && 0 == systemActive) && 2 == waterLevel) && 0 == pumpRunning)) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || ((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && 1 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive)) || ((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && waterLevel + 1 <= \old(waterLevel)) && 1 == systemActive) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 242 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 82.2s, OverallIterations: 13, TraceHistogramMax: 8, AutomataDifference: 68.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 53.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2168 SDtfs, 7082 SDslu, 4863 SDs, 0 SdLazy, 21276 SolverSat, 6324 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2600 GetRequests, 2166 SyntacticMatches, 3 SemanticMatches, 431 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7360 ImplicationChecksByTransitivity, 37.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1580occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 1756 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 3964 PreInvPairs, 4538 NumberOfFragments, 2458 HoareAnnotationTreeSize, 3964 FomulaSimplifications, 2384823097 FormulaSimplificationTreeSizeReduction, 22.1s HoareSimplificationTime, 64 FomulaSimplificationsInter, 9127086 FormulaSimplificationTreeSizeReductionInter, 30.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 3450 NumberOfCodeBlocks, 3450 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3432 ConstructedInterpolants, 0 QuantifiedInterpolants, 1732654 SizeOfPredicates, 19 NumberOfNonLiveVariables, 6234 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 18 InterpolantComputations, 9 PerfectInterpolantSequences, 2974/3158 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...