/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:41:41,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:41:41,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:41:41,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:41:41,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:41:41,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:41:41,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:41:41,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:41:41,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:41:41,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:41:41,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:41:41,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:41:41,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:41:41,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:41:41,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:41:41,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:41:41,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:41:41,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:41:41,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:41:41,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:41:41,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:41:41,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:41:41,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:41:41,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:41:41,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:41:41,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:41:41,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:41:41,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:41:41,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:41:41,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:41:41,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:41:41,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:41:41,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:41:41,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:41:41,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:41:41,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:41:41,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:41:41,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:41:41,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:41:41,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:41:41,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:41:41,096 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 [2020-07-07 10:41:41,118 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:41:41,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:41:41,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:41:41,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:41:41,120 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:41:41,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:41:41,120 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:41:41,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:41:41,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:41:41,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:41:41,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:41:41,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:41:41,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:41:41,122 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:41:41,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:41:41,123 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:41:41,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:41:41,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:41:41,124 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:41:41,124 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:41:41,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:41:41,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:41:41,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:41:41,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:41:41,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:41:41,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:41:41,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:41:41,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:41:41,126 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:41:41,126 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:41:41,401 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:41:41,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:41:41,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:41:41,419 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:41:41,420 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:41:41,421 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product36.cil.c [2020-07-07 10:41:41,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34fe01368/1dd125e3249340f38ea408bce953e792/FLAGa36043ac8 [2020-07-07 10:41:42,034 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:41:42,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product36.cil.c [2020-07-07 10:41:42,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34fe01368/1dd125e3249340f38ea408bce953e792/FLAGa36043ac8 [2020-07-07 10:41:42,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34fe01368/1dd125e3249340f38ea408bce953e792 [2020-07-07 10:41:42,331 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:41:42,333 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:41:42,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:41:42,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:41:42,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:41:42,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:41:42" (1/1) ... [2020-07-07 10:41:42,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522759f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:42, skipping insertion in model container [2020-07-07 10:41:42,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:41:42" (1/1) ... [2020-07-07 10:41:42,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:41:42,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:41:42,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:41:42,885 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:41:43,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:41:43,051 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:41:43,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:43 WrapperNode [2020-07-07 10:41:43,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:41:43,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:41:43,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:41:43,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:41:43,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:43" (1/1) ... [2020-07-07 10:41:43,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:43" (1/1) ... [2020-07-07 10:41:43,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:43" (1/1) ... [2020-07-07 10:41:43,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:43" (1/1) ... [2020-07-07 10:41:43,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:43" (1/1) ... [2020-07-07 10:41:43,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:43" (1/1) ... [2020-07-07 10:41:43,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:43" (1/1) ... [2020-07-07 10:41:43,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:41:43,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:41:43,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:41:43,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:41:43,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:43" (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 [2020-07-07 10:41:43,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:41:43,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:41:43,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:41:43,205 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:41:43,205 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:41:43,205 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:41:43,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:41:43,205 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:41:43,205 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:41:43,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:41:43,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:41:43,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:41:43,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:41:43,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:41:43,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:41:43,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:41:43,207 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:41:43,207 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:41:43,207 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:41:43,207 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:41:43,207 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:41:43,207 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:41:43,208 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:41:43,208 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:41:43,208 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:41:43,208 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:41:43,208 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:41:43,208 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:41:43,209 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:41:43,209 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:41:43,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:41:43,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:41:43,209 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:41:43,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:41:43,209 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:41:43,210 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:41:43,210 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:41:43,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:41:43,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-07 10:41:43,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-07 10:41:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:41:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:41:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:41:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:41:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:41:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:41:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:41:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:41:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:41:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:41:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:41:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:41:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:41:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:41:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:41:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:41:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:41:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:41:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:41:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:41:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:41:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:41:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:41:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:41:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:41:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:41:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:41:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:41:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:41:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:41:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:41:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:41:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:41:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:41:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:41:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:41:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-07 10:41:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:41:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:41:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:41:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:41:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:41:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:41:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:41:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:41:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-07 10:41:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:41:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:41:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:41:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:41:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:41:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:41:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:41:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:41:44,274 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:41:44,274 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:41:44,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:41:44 BoogieIcfgContainer [2020-07-07 10:41:44,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:41:44,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:41:44,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:41:44,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:41:44,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:41:42" (1/3) ... [2020-07-07 10:41:44,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f9f437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:41:44, skipping insertion in model container [2020-07-07 10:41:44,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:41:43" (2/3) ... [2020-07-07 10:41:44,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f9f437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:41:44, skipping insertion in model container [2020-07-07 10:41:44,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:41:44" (3/3) ... [2020-07-07 10:41:44,288 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product36.cil.c [2020-07-07 10:41:44,299 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:41:44,306 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:41:44,321 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:41:44,345 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:41:44,345 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:41:44,346 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:41:44,346 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:41:44,346 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:41:44,346 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:41:44,346 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:41:44,347 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:41:44,369 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-07-07 10:41:44,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-07 10:41:44,378 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:41:44,379 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:41:44,380 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:41:44,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:41:44,388 INFO L82 PathProgramCache]: Analyzing trace with hash 171708589, now seen corresponding path program 1 times [2020-07-07 10:41:44,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:41:44,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407367784] [2020-07-07 10:41:44,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:41:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:45,033 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:41:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:45,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:41:45,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407367784] [2020-07-07 10:41:45,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:41:45,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:41:45,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425031030] [2020-07-07 10:41:45,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:41:45,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:41:45,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:41:45,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:41:45,205 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 4 states. [2020-07-07 10:41:46,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:41:46,372 INFO L93 Difference]: Finished difference Result 279 states and 365 transitions. [2020-07-07 10:41:46,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:41:46,374 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-07 10:41:46,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:41:46,389 INFO L225 Difference]: With dead ends: 279 [2020-07-07 10:41:46,389 INFO L226 Difference]: Without dead ends: 157 [2020-07-07 10:41:46,394 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:41:46,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-07-07 10:41:46,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 123. [2020-07-07 10:41:46,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-07 10:41:46,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-07-07 10:41:46,493 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 51 [2020-07-07 10:41:46,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:41:46,493 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-07-07 10:41:46,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:41:46,494 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-07-07 10:41:46,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:41:46,498 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:41:46,498 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:41:46,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:41:46,498 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:41:46,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:41:46,499 INFO L82 PathProgramCache]: Analyzing trace with hash -70243324, now seen corresponding path program 1 times [2020-07-07 10:41:46,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:41:46,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46403685] [2020-07-07 10:41:46,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:41:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:46,861 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:41:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:46,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:41:46,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46403685] [2020-07-07 10:41:46,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:41:46,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:41:46,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791858358] [2020-07-07 10:41:46,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:41:46,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:41:46,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:41:46,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:41:46,913 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 5 states. [2020-07-07 10:41:47,395 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:41:48,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:41:48,191 INFO L93 Difference]: Finished difference Result 211 states and 262 transitions. [2020-07-07 10:41:48,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:41:48,192 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-07 10:41:48,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:41:48,196 INFO L225 Difference]: With dead ends: 211 [2020-07-07 10:41:48,196 INFO L226 Difference]: Without dead ends: 147 [2020-07-07 10:41:48,197 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:41:48,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-07-07 10:41:48,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 114. [2020-07-07 10:41:48,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-07 10:41:48,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2020-07-07 10:41:48,234 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 52 [2020-07-07 10:41:48,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:41:48,234 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2020-07-07 10:41:48,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:41:48,235 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2020-07-07 10:41:48,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-07 10:41:48,237 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:41:48,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:41:48,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:41:48,237 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:41:48,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:41:48,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1406294977, now seen corresponding path program 1 times [2020-07-07 10:41:48,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:41:48,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655186392] [2020-07-07 10:41:48,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:41:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:48,600 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:41:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:48,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:41:48,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655186392] [2020-07-07 10:41:48,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:41:48,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:41:48,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993077556] [2020-07-07 10:41:48,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:41:48,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:41:48,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:41:48,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:41:48,706 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 9 states. [2020-07-07 10:41:49,098 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:41:49,449 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:41:49,712 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:41:49,968 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:41:50,802 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:41:52,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:41:52,445 INFO L93 Difference]: Finished difference Result 390 states and 490 transitions. [2020-07-07 10:41:52,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:41:52,446 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-07-07 10:41:52,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:41:52,451 INFO L225 Difference]: With dead ends: 390 [2020-07-07 10:41:52,451 INFO L226 Difference]: Without dead ends: 304 [2020-07-07 10:41:52,453 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:41:52,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-07-07 10:41:52,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 227. [2020-07-07 10:41:52,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-07-07 10:41:52,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 272 transitions. [2020-07-07 10:41:52,520 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 272 transitions. Word has length 57 [2020-07-07 10:41:52,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:41:52,520 INFO L479 AbstractCegarLoop]: Abstraction has 227 states and 272 transitions. [2020-07-07 10:41:52,520 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:41:52,521 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 272 transitions. [2020-07-07 10:41:52,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-07 10:41:52,523 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:41:52,523 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:41:52,523 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:41:52,524 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:41:52,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:41:52,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1471569046, now seen corresponding path program 1 times [2020-07-07 10:41:52,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:41:52,525 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562250707] [2020-07-07 10:41:52,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:41:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:52,850 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:41:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:52,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:41:52,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562250707] [2020-07-07 10:41:52,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:41:52,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:41:52,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902702065] [2020-07-07 10:41:52,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:41:52,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:41:52,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:41:52,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:41:52,938 INFO L87 Difference]: Start difference. First operand 227 states and 272 transitions. Second operand 9 states. [2020-07-07 10:41:53,373 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:41:54,603 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:41:54,934 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:41:55,242 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:41:55,483 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:41:56,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:41:56,604 INFO L93 Difference]: Finished difference Result 730 states and 972 transitions. [2020-07-07 10:41:56,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-07 10:41:56,606 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-07-07 10:41:56,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:41:56,612 INFO L225 Difference]: With dead ends: 730 [2020-07-07 10:41:56,612 INFO L226 Difference]: Without dead ends: 531 [2020-07-07 10:41:56,615 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:41:56,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2020-07-07 10:41:56,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 402. [2020-07-07 10:41:56,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-07-07 10:41:56,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 484 transitions. [2020-07-07 10:41:56,737 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 484 transitions. Word has length 62 [2020-07-07 10:41:56,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:41:56,738 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 484 transitions. [2020-07-07 10:41:56,738 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:41:56,738 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 484 transitions. [2020-07-07 10:41:56,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-07-07 10:41:56,741 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:41:56,741 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:41:56,741 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:41:56,741 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:41:56,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:41:56,742 INFO L82 PathProgramCache]: Analyzing trace with hash -675634618, now seen corresponding path program 1 times [2020-07-07 10:41:56,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:41:56,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407949492] [2020-07-07 10:41:56,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:41:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,061 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:41:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:41:57,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:41:57,190 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407949492] [2020-07-07 10:41:57,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:41:57,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 10:41:57,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11153717] [2020-07-07 10:41:57,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:41:57,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:41:57,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:41:57,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:41:57,193 INFO L87 Difference]: Start difference. First operand 402 states and 484 transitions. Second operand 10 states. [2020-07-07 10:41:57,724 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:41:58,807 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:41:59,101 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:41:59,374 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:41:59,932 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:01,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:01,007 INFO L93 Difference]: Finished difference Result 1162 states and 1576 transitions. [2020-07-07 10:42:01,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-07 10:42:01,008 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-07-07 10:42:01,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:01,015 INFO L225 Difference]: With dead ends: 1162 [2020-07-07 10:42:01,016 INFO L226 Difference]: Without dead ends: 788 [2020-07-07 10:42:01,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=205, Invalid=551, Unknown=0, NotChecked=0, Total=756 [2020-07-07 10:42:01,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2020-07-07 10:42:01,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 593. [2020-07-07 10:42:01,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2020-07-07 10:42:01,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 715 transitions. [2020-07-07 10:42:01,152 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 715 transitions. Word has length 66 [2020-07-07 10:42:01,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:01,153 INFO L479 AbstractCegarLoop]: Abstraction has 593 states and 715 transitions. [2020-07-07 10:42:01,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:42:01,153 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 715 transitions. [2020-07-07 10:42:01,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-07 10:42:01,156 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:01,156 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:01,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:42:01,157 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:01,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:01,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1616247053, now seen corresponding path program 1 times [2020-07-07 10:42:01,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:01,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272990298] [2020-07-07 10:42:01,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,417 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:01,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:01,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272990298] [2020-07-07 10:42:01,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:01,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 10:42:01,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244901961] [2020-07-07 10:42:01,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:42:01,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:01,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:42:01,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:42:01,595 INFO L87 Difference]: Start difference. First operand 593 states and 715 transitions. Second operand 10 states. [2020-07-07 10:42:02,004 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:03,053 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:03,321 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:42:03,598 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:03,872 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:05,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:05,603 INFO L93 Difference]: Finished difference Result 2139 states and 3058 transitions. [2020-07-07 10:42:05,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-07 10:42:05,603 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2020-07-07 10:42:05,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:05,617 INFO L225 Difference]: With dead ends: 2139 [2020-07-07 10:42:05,618 INFO L226 Difference]: Without dead ends: 1574 [2020-07-07 10:42:05,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-07-07 10:42:05,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1574 states. [2020-07-07 10:42:05,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1574 to 1135. [2020-07-07 10:42:05,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1135 states. [2020-07-07 10:42:05,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1372 transitions. [2020-07-07 10:42:05,937 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1372 transitions. Word has length 84 [2020-07-07 10:42:05,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:05,938 INFO L479 AbstractCegarLoop]: Abstraction has 1135 states and 1372 transitions. [2020-07-07 10:42:05,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:42:05,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1372 transitions. [2020-07-07 10:42:05,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-07 10:42:05,944 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:05,944 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:05,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:42:05,945 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:05,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:05,946 INFO L82 PathProgramCache]: Analyzing trace with hash 567429874, now seen corresponding path program 1 times [2020-07-07 10:42:05,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:05,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764412364] [2020-07-07 10:42:05,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,247 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:06,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:06,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764412364] [2020-07-07 10:42:06,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:06,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 10:42:06,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524219180] [2020-07-07 10:42:06,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:42:06,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:06,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:42:06,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:42:06,436 INFO L87 Difference]: Start difference. First operand 1135 states and 1372 transitions. Second operand 10 states. [2020-07-07 10:42:07,764 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:42:08,027 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:42:08,290 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:08,529 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:09,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:09,676 INFO L93 Difference]: Finished difference Result 2694 states and 3601 transitions. [2020-07-07 10:42:09,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:42:09,677 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2020-07-07 10:42:09,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:09,688 INFO L225 Difference]: With dead ends: 2694 [2020-07-07 10:42:09,688 INFO L226 Difference]: Without dead ends: 1587 [2020-07-07 10:42:09,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:42:09,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2020-07-07 10:42:09,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 1175. [2020-07-07 10:42:09,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1175 states. [2020-07-07 10:42:09,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1412 transitions. [2020-07-07 10:42:09,931 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1412 transitions. Word has length 84 [2020-07-07 10:42:09,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:09,931 INFO L479 AbstractCegarLoop]: Abstraction has 1175 states and 1412 transitions. [2020-07-07 10:42:09,931 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:42:09,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1412 transitions. [2020-07-07 10:42:09,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-07 10:42:09,934 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:09,934 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:09,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:42:09,934 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:09,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:09,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1953633268, now seen corresponding path program 1 times [2020-07-07 10:42:09,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:09,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472589542] [2020-07-07 10:42:09,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:10,188 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:10,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:10,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472589542] [2020-07-07 10:42:10,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:10,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:42:10,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012350254] [2020-07-07 10:42:10,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:42:10,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:10,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:42:10,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:42:10,339 INFO L87 Difference]: Start difference. First operand 1175 states and 1412 transitions. Second operand 12 states. [2020-07-07 10:42:10,872 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:11,143 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:11,384 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:12,169 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:12,419 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:12,662 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:42:13,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:13,833 INFO L93 Difference]: Finished difference Result 2386 states and 3145 transitions. [2020-07-07 10:42:13,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:42:13,833 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2020-07-07 10:42:13,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:13,842 INFO L225 Difference]: With dead ends: 2386 [2020-07-07 10:42:13,842 INFO L226 Difference]: Without dead ends: 1239 [2020-07-07 10:42:13,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:42:13,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2020-07-07 10:42:14,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 951. [2020-07-07 10:42:14,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 951 states. [2020-07-07 10:42:14,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1112 transitions. [2020-07-07 10:42:14,040 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1112 transitions. Word has length 84 [2020-07-07 10:42:14,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:14,040 INFO L479 AbstractCegarLoop]: Abstraction has 951 states and 1112 transitions. [2020-07-07 10:42:14,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:42:14,041 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1112 transitions. [2020-07-07 10:42:14,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-07 10:42:14,043 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:14,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:42:14,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:42:14,043 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:14,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:14,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1427109873, now seen corresponding path program 1 times [2020-07-07 10:42:14,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:14,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789548827] [2020-07-07 10:42:14,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:14,331 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:42:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:42:14,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:42:14,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789548827] [2020-07-07 10:42:14,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:42:14,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:42:14,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41897509] [2020-07-07 10:42:14,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:42:14,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:42:14,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:42:14,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:42:14,432 INFO L87 Difference]: Start difference. First operand 951 states and 1112 transitions. Second operand 8 states. [2020-07-07 10:42:15,119 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:42:17,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:42:17,260 INFO L93 Difference]: Finished difference Result 1906 states and 2527 transitions. [2020-07-07 10:42:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-07 10:42:17,261 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2020-07-07 10:42:17,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:42:17,276 INFO L225 Difference]: With dead ends: 1906 [2020-07-07 10:42:17,276 INFO L226 Difference]: Without dead ends: 1903 [2020-07-07 10:42:17,278 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=212, Invalid=544, Unknown=0, NotChecked=0, Total=756 [2020-07-07 10:42:17,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1903 states. [2020-07-07 10:42:17,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1903 to 1456. [2020-07-07 10:42:17,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1456 states. [2020-07-07 10:42:17,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 1720 transitions. [2020-07-07 10:42:17,606 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 1720 transitions. Word has length 88 [2020-07-07 10:42:17,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:42:17,608 INFO L479 AbstractCegarLoop]: Abstraction has 1456 states and 1720 transitions. [2020-07-07 10:42:17,608 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:42:17,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1720 transitions. [2020-07-07 10:42:17,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-07-07 10:42:17,616 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:42:17,616 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 10:42:17,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 10:42:17,617 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:42:17,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:42:17,617 INFO L82 PathProgramCache]: Analyzing trace with hash 475998026, now seen corresponding path program 1 times [2020-07-07 10:42:17,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:42:17,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378323636] [2020-07-07 10:42:17,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:42:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 10:42:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 10:42:17,946 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-07 10:42:17,946 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 10:42:17,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-07 10:42:18,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:42:18 BoogieIcfgContainer [2020-07-07 10:42:18,190 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:42:18,194 INFO L168 Benchmark]: Toolchain (without parser) took 35858.95 ms. Allocated memory was 145.8 MB in the beginning and 620.2 MB in the end (delta: 474.5 MB). Free memory was 101.2 MB in the beginning and 167.5 MB in the end (delta: -66.4 MB). Peak memory consumption was 408.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:42:18,195 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory is still 120.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-07 10:42:18,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 718.17 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 100.8 MB in the beginning and 171.9 MB in the end (delta: -71.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:42:18,203 INFO L168 Benchmark]: Boogie Preprocessor took 84.37 ms. Allocated memory is still 204.5 MB. Free memory was 171.9 MB in the beginning and 167.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-07 10:42:18,205 INFO L168 Benchmark]: RCFGBuilder took 1142.75 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 167.1 MB in the beginning and 193.4 MB in the end (delta: -26.3 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:42:18,206 INFO L168 Benchmark]: TraceAbstraction took 33909.28 ms. Allocated memory was 234.4 MB in the beginning and 620.2 MB in the end (delta: 385.9 MB). Free memory was 191.8 MB in the beginning and 167.5 MB in the end (delta: 24.3 MB). Peak memory consumption was 410.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:42:18,214 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory is still 120.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 718.17 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 100.8 MB in the beginning and 171.9 MB in the end (delta: -71.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.37 ms. Allocated memory is still 204.5 MB. Free memory was 171.9 MB in the beginning and 167.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1142.75 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 167.1 MB in the beginning and 193.4 MB in the end (delta: -26.3 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 33909.28 ms. Allocated memory was 234.4 MB in the beginning and 620.2 MB in the end (delta: 385.9 MB). Free memory was 191.8 MB in the beginning and 167.5 MB in the end (delta: 24.3 MB). Peak memory consumption was 410.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 900]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L310] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L545] int cleanupTimeShifts = 4; [L651] int pumpRunning = 0; [L652] int systemActive = 1; [L905] int methAndRunningLastTime ; VAL [\old(cleanupTimeShifts)=175, \old(head)=177, \old(head)=164, \old(methAndRunningLastTime)=168, \old(methaneLevelCritical)=142, \old(pumpRunning)=131, \old(systemActive)=130, \old(waterLevel)=137, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L623] int retValue_acc ; [L624] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L628] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L629] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L630] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L536] int retValue_acc ; [L539] retValue_acc = 1 [L540] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L630] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L630] tmp = valid_product() [L632] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L634] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L635] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L616] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L910] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L616] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L617] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L828] int splverifierCounter ; [L829] int tmp ; [L830] int tmp___0 ; [L831] int tmp___1 ; [L832] int tmp___2 ; [L835] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L837] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L839] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L845] tmp = __VERIFIER_nondet_int() [L847] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L849] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L849] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L855] tmp___0 = __VERIFIER_nondet_int() [L857] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=-2, waterLevel=2] [L859] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L77] COND FALSE !(\read(methaneLevelCritical)) [L80] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L859] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=-2, waterLevel=2] [L865] tmp___2 = __VERIFIER_nondet_int() [L867] COND FALSE !(\read(tmp___2)) [L873] tmp___1 = __VERIFIER_nondet_int() [L875] COND FALSE !(\read(tmp___1)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=-2, tmp___1=0, tmp___2=0, waterLevel=2] [L884] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L659] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L666] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L668] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L688] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L691] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L693] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L785] int retValue_acc ; [L786] int tmp ; [L787] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L791] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L127] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L791] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L791] tmp = isHighWaterSensorDry() [L793] COND FALSE !(\read(tmp)) [L796] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L798] retValue_acc = tmp___0 [L799] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L693] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L693] tmp = isHighWaterLevel() [L695] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L697] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L716] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L697] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L668] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L674] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L915] int tmp ; [L916] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L920] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L920] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L920] tmp = isMethaneLevelCritical() [L922] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L924] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L740] int retValue_acc ; [L743] retValue_acc = pumpRunning [L744] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L924] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L924] tmp___0 = isPumpRunning() [L926] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L927] COND FALSE !(\read(methAndRunningLastTime)) [L932] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L674] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L884] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=-2, tmp___1=0, tmp___2=0, waterLevel=2] [L837] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=-2, tmp___1=0, tmp___2=0, waterLevel=2] [L839] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=-2, tmp___1=0, tmp___2=0, waterLevel=2] [L845] tmp = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=-2, tmp___1=0, tmp___2=0, waterLevel=2] [L855] tmp___0 = __VERIFIER_nondet_int() [L857] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L865] tmp___2 = __VERIFIER_nondet_int() [L867] COND FALSE !(\read(tmp___2)) [L873] tmp___1 = __VERIFIER_nondet_int() [L875] COND FALSE !(\read(tmp___1)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L884] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L659] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L661] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L661] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L666] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L668] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L688] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L691] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L706] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L668] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L674] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L915] int tmp ; [L916] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L920] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L920] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L920] tmp = isMethaneLevelCritical() [L922] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L924] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L740] int retValue_acc ; [L743] retValue_acc = pumpRunning [L744] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L924] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L924] tmp___0 = isPumpRunning() [L926] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L927] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L929] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L900] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 230 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 33.6s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 27.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 954 SDtfs, 2942 SDslu, 1424 SDs, 0 SdLazy, 6214 SolverSat, 2311 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 377 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 660 ImplicationChecksByTransitivity, 10.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1456occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 2054 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 759 NumberOfCodeBlocks, 759 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 619 ConstructedInterpolants, 0 QuantifiedInterpolants, 192303 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...