/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:44:11,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:44:11,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:44:11,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:44:11,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:44:11,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:44:11,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:44:12,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:44:12,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:44:12,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:44:12,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:44:12,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:44:12,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:44:12,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:44:12,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:44:12,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:44:12,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:44:12,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:44:12,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:44:12,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:44:12,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:44:12,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:44:12,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:44:12,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:44:12,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:44:12,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:44:12,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:44:12,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:44:12,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:44:12,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:44:12,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:44:12,046 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:44:12,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:44:12,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:44:12,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:44:12,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:44:12,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:44:12,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:44:12,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:44:12,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:44:12,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:44:12,053 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 [2020-07-20 10:44:12,087 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:44:12,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:44:12,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:44:12,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:44:12,092 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:44:12,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:44:12,093 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:44:12,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:44:12,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:44:12,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:44:12,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:44:12,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:44:12,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:44:12,095 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:44:12,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:44:12,096 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:44:12,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:44:12,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:44:12,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:44:12,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:44:12,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:44:12,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:44:12,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:44:12,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:44:12,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:44:12,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:44:12,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:12,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:44:12,099 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:44:12,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 10:44:12,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:44:12,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:44:12,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:44:12,413 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:44:12,414 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:44:12,415 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2020-07-20 10:44:12,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da65ee9d8/c05508ef4a6649409434e9e67bec63bf/FLAGca33cb13d [2020-07-20 10:44:13,073 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:44:13,073 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2020-07-20 10:44:13,087 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da65ee9d8/c05508ef4a6649409434e9e67bec63bf/FLAGca33cb13d [2020-07-20 10:44:13,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da65ee9d8/c05508ef4a6649409434e9e67bec63bf [2020-07-20 10:44:13,337 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:44:13,340 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:44:13,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:44:13,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:44:13,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:44:13,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:44:13" (1/1) ... [2020-07-20 10:44:13,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@121f1e61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:13, skipping insertion in model container [2020-07-20 10:44:13,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:44:13" (1/1) ... [2020-07-20 10:44:13,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:44:13,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:44:13,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:44:13,860 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:44:13,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:44:13,994 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:44:13,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:13 WrapperNode [2020-07-20 10:44:13,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:44:13,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:44:13,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:44:13,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:44:14,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:13" (1/1) ... [2020-07-20 10:44:14,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:13" (1/1) ... [2020-07-20 10:44:14,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:13" (1/1) ... [2020-07-20 10:44:14,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:13" (1/1) ... [2020-07-20 10:44:14,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:13" (1/1) ... [2020-07-20 10:44:14,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:13" (1/1) ... [2020-07-20 10:44:14,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:13" (1/1) ... [2020-07-20 10:44:14,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:44:14,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:44:14,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:44:14,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:44:14,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:13" (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 [2020-07-20 10:44:14,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:44:14,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:44:14,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:44:14,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:44:14,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:44:14,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:44:14,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:44:14,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:44:14,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:44:14,148 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:44:14,148 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:44:14,149 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:44:14,149 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:44:14,149 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:44:14,149 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:44:14,149 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:44:14,149 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:44:14,150 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:44:14,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:44:14,150 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:44:14,150 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:44:14,150 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:44:14,150 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:44:14,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:44:14,151 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:44:14,151 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:44:14,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:44:14,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 10:44:14,151 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:44:14,152 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:44:14,152 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:44:14,152 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 10:44:14,152 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:44:14,152 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:44:14,152 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:44:14,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:44:14,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:44:14,153 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:44:14,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:44:14,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 10:44:14,153 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 10:44:14,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:44:14,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:44:14,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:44:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:44:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:44:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:44:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:44:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:44:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:44:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:44:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:44:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:44:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:44:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:44:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:44:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:44:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:44:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:44:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:44:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:44:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:44:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:44:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:44:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:44:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:44:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:44:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:44:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:44:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:44:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:44:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:44:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:44:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:44:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:44:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:44:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:44:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:44:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:44:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:44:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 10:44:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:44:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:44:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:44:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:44:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:44:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 10:44:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:44:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:44:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:44:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:44:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:44:14,163 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:44:14,164 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:44:14,164 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:44:14,164 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:44:14,164 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 10:44:14,164 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 10:44:14,165 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:44:14,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:44:14,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:44:14,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:44:15,203 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:44:15,204 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:44:15,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:44:15 BoogieIcfgContainer [2020-07-20 10:44:15,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:44:15,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:44:15,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:44:15,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:44:15,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:44:13" (1/3) ... [2020-07-20 10:44:15,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9195821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:44:15, skipping insertion in model container [2020-07-20 10:44:15,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:13" (2/3) ... [2020-07-20 10:44:15,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9195821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:44:15, skipping insertion in model container [2020-07-20 10:44:15,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:44:15" (3/3) ... [2020-07-20 10:44:15,220 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product55.cil.c [2020-07-20 10:44:15,232 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:44:15,241 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:44:15,258 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:44:15,287 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:44:15,287 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:44:15,287 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:44:15,287 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:44:15,288 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:44:15,288 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:44:15,288 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:44:15,288 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:44:15,314 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states. [2020-07-20 10:44:15,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 10:44:15,326 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:15,327 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:15,328 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:15,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:15,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1039510468, now seen corresponding path program 1 times [2020-07-20 10:44:15,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:15,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1750300065] [2020-07-20 10:44:15,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:15,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:44:15,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:15,729 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:44:15,730 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:15,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1750300065] [2020-07-20 10:44:15,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:15,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:44:15,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900996411] [2020-07-20 10:44:15,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:44:15,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:15,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:44:15,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:44:15,758 INFO L87 Difference]: Start difference. First operand 205 states. Second operand 2 states. [2020-07-20 10:44:15,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:15,807 INFO L93 Difference]: Finished difference Result 320 states and 397 transitions. [2020-07-20 10:44:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:44:15,808 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 10:44:15,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:15,822 INFO L225 Difference]: With dead ends: 320 [2020-07-20 10:44:15,823 INFO L226 Difference]: Without dead ends: 162 [2020-07-20 10:44:15,828 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:44:15,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-07-20 10:44:15,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2020-07-20 10:44:15,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-07-20 10:44:15,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 192 transitions. [2020-07-20 10:44:15,905 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 192 transitions. Word has length 59 [2020-07-20 10:44:15,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:15,905 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 192 transitions. [2020-07-20 10:44:15,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:44:15,906 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 192 transitions. [2020-07-20 10:44:15,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 10:44:15,918 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:15,919 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:16,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:16,134 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:16,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:16,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1700142027, now seen corresponding path program 1 times [2020-07-20 10:44:16,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:16,136 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2109197143] [2020-07-20 10:44:16,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:16,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:44:16,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:16,434 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:44:16,435 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:16,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2109197143] [2020-07-20 10:44:16,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:16,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:16,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480661106] [2020-07-20 10:44:16,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:16,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:16,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:16,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:16,439 INFO L87 Difference]: Start difference. First operand 162 states and 192 transitions. Second operand 3 states. [2020-07-20 10:44:16,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:16,464 INFO L93 Difference]: Finished difference Result 263 states and 311 transitions. [2020-07-20 10:44:16,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:16,465 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 10:44:16,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:16,468 INFO L225 Difference]: With dead ends: 263 [2020-07-20 10:44:16,468 INFO L226 Difference]: Without dead ends: 153 [2020-07-20 10:44:16,470 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:16,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-20 10:44:16,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2020-07-20 10:44:16,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-20 10:44:16,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 180 transitions. [2020-07-20 10:44:16,502 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 180 transitions. Word has length 60 [2020-07-20 10:44:16,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:16,503 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 180 transitions. [2020-07-20 10:44:16,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:16,504 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2020-07-20 10:44:16,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 10:44:16,507 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:16,508 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:16,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:16,722 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:16,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:16,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1740397712, now seen corresponding path program 1 times [2020-07-20 10:44:16,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:16,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [434505556] [2020-07-20 10:44:16,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:16,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:44:16,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:16,949 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:16,950 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:16,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [434505556] [2020-07-20 10:44:16,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:16,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:16,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196121503] [2020-07-20 10:44:16,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:16,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:16,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:16,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:16,952 INFO L87 Difference]: Start difference. First operand 153 states and 180 transitions. Second operand 3 states. [2020-07-20 10:44:16,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:16,998 INFO L93 Difference]: Finished difference Result 401 states and 484 transitions. [2020-07-20 10:44:16,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:16,998 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-20 10:44:17,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:17,011 INFO L225 Difference]: With dead ends: 401 [2020-07-20 10:44:17,011 INFO L226 Difference]: Without dead ends: 276 [2020-07-20 10:44:17,013 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:17,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-07-20 10:44:17,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 272. [2020-07-20 10:44:17,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-07-20 10:44:17,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 327 transitions. [2020-07-20 10:44:17,079 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 327 transitions. Word has length 64 [2020-07-20 10:44:17,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:17,079 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 327 transitions. [2020-07-20 10:44:17,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:17,080 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 327 transitions. [2020-07-20 10:44:17,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 10:44:17,085 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:17,085 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:17,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:17,286 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:17,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:17,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1889366184, now seen corresponding path program 1 times [2020-07-20 10:44:17,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:17,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1789335427] [2020-07-20 10:44:17,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:17,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:44:17,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:17,575 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:17,575 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:17,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1789335427] [2020-07-20 10:44:17,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:17,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:44:17,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666554060] [2020-07-20 10:44:17,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:44:17,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:17,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:44:17,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:44:17,584 INFO L87 Difference]: Start difference. First operand 272 states and 327 transitions. Second operand 6 states. [2020-07-20 10:44:17,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:17,841 INFO L93 Difference]: Finished difference Result 644 states and 813 transitions. [2020-07-20 10:44:17,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:44:17,842 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 10:44:17,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:17,846 INFO L225 Difference]: With dead ends: 644 [2020-07-20 10:44:17,846 INFO L226 Difference]: Without dead ends: 400 [2020-07-20 10:44:17,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:44:17,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2020-07-20 10:44:17,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 390. [2020-07-20 10:44:17,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-07-20 10:44:17,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 473 transitions. [2020-07-20 10:44:17,878 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 473 transitions. Word has length 70 [2020-07-20 10:44:17,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:17,878 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 473 transitions. [2020-07-20 10:44:17,879 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:44:17,879 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 473 transitions. [2020-07-20 10:44:17,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-20 10:44:17,880 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:17,881 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:18,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:18,094 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:18,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:18,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1315837753, now seen corresponding path program 1 times [2020-07-20 10:44:18,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:18,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [309828395] [2020-07-20 10:44:18,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:18,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:44:18,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:18,334 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:18,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:18,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [309828395] [2020-07-20 10:44:18,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:18,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:44:18,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339783877] [2020-07-20 10:44:18,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:44:18,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:18,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:44:18,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:44:18,339 INFO L87 Difference]: Start difference. First operand 390 states and 473 transitions. Second operand 6 states. [2020-07-20 10:44:18,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:18,392 INFO L93 Difference]: Finished difference Result 762 states and 946 transitions. [2020-07-20 10:44:18,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:44:18,392 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2020-07-20 10:44:18,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:18,396 INFO L225 Difference]: With dead ends: 762 [2020-07-20 10:44:18,396 INFO L226 Difference]: Without dead ends: 400 [2020-07-20 10:44:18,398 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:44:18,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2020-07-20 10:44:18,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2020-07-20 10:44:18,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2020-07-20 10:44:18,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 483 transitions. [2020-07-20 10:44:18,435 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 483 transitions. Word has length 97 [2020-07-20 10:44:18,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:18,437 INFO L479 AbstractCegarLoop]: Abstraction has 400 states and 483 transitions. [2020-07-20 10:44:18,437 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:44:18,437 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 483 transitions. [2020-07-20 10:44:18,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-20 10:44:18,445 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:18,445 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:18,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:18,660 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:18,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:18,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1243451195, now seen corresponding path program 1 times [2020-07-20 10:44:18,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:18,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [326202099] [2020-07-20 10:44:18,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:18,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 10:44:18,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:18,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:18,859 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:18,860 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [326202099] [2020-07-20 10:44:18,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:18,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 10:44:18,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264231233] [2020-07-20 10:44:18,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 10:44:18,861 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:18,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 10:44:18,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:44:18,862 INFO L87 Difference]: Start difference. First operand 400 states and 483 transitions. Second operand 5 states. [2020-07-20 10:44:18,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:18,889 INFO L93 Difference]: Finished difference Result 786 states and 988 transitions. [2020-07-20 10:44:18,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 10:44:18,890 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 97 [2020-07-20 10:44:18,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:18,893 INFO L225 Difference]: With dead ends: 786 [2020-07-20 10:44:18,893 INFO L226 Difference]: Without dead ends: 414 [2020-07-20 10:44:18,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:44:18,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2020-07-20 10:44:18,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 408. [2020-07-20 10:44:18,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2020-07-20 10:44:18,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 491 transitions. [2020-07-20 10:44:18,914 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 491 transitions. Word has length 97 [2020-07-20 10:44:18,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:18,915 INFO L479 AbstractCegarLoop]: Abstraction has 408 states and 491 transitions. [2020-07-20 10:44:18,915 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 10:44:18,915 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 491 transitions. [2020-07-20 10:44:18,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-20 10:44:18,917 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:18,917 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:19,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:19,131 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:19,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:19,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1573216956, now seen corresponding path program 1 times [2020-07-20 10:44:19,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:19,133 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [502670828] [2020-07-20 10:44:19,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:19,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 10:44:19,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:19,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:19,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:19,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [502670828] [2020-07-20 10:44:19,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:19,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:19,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269412127] [2020-07-20 10:44:19,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:19,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:19,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:19,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:19,352 INFO L87 Difference]: Start difference. First operand 408 states and 491 transitions. Second operand 3 states. [2020-07-20 10:44:19,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:19,433 INFO L93 Difference]: Finished difference Result 1126 states and 1437 transitions. [2020-07-20 10:44:19,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:19,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-07-20 10:44:19,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:19,438 INFO L225 Difference]: With dead ends: 1126 [2020-07-20 10:44:19,439 INFO L226 Difference]: Without dead ends: 746 [2020-07-20 10:44:19,440 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:19,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2020-07-20 10:44:19,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 743. [2020-07-20 10:44:19,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2020-07-20 10:44:19,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 920 transitions. [2020-07-20 10:44:19,477 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 920 transitions. Word has length 97 [2020-07-20 10:44:19,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:19,477 INFO L479 AbstractCegarLoop]: Abstraction has 743 states and 920 transitions. [2020-07-20 10:44:19,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:19,478 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 920 transitions. [2020-07-20 10:44:19,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-07-20 10:44:19,480 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:19,480 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:19,693 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:19,694 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:19,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:19,695 INFO L82 PathProgramCache]: Analyzing trace with hash 164101122, now seen corresponding path program 1 times [2020-07-20 10:44:19,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:19,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [411565395] [2020-07-20 10:44:19,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:19,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 10:44:19,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:19,978 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:19,978 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:19,979 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [411565395] [2020-07-20 10:44:19,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:19,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 10:44:19,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379275176] [2020-07-20 10:44:19,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:44:19,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:19,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:44:19,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:44:19,981 INFO L87 Difference]: Start difference. First operand 743 states and 920 transitions. Second operand 10 states. [2020-07-20 10:44:21,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:21,586 INFO L93 Difference]: Finished difference Result 2142 states and 2975 transitions. [2020-07-20 10:44:21,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 10:44:21,587 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 101 [2020-07-20 10:44:21,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:21,602 INFO L225 Difference]: With dead ends: 2142 [2020-07-20 10:44:21,603 INFO L226 Difference]: Without dead ends: 1427 [2020-07-20 10:44:21,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 10:44:21,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1427 states. [2020-07-20 10:44:21,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1427 to 1064. [2020-07-20 10:44:21,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1064 states. [2020-07-20 10:44:21,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1319 transitions. [2020-07-20 10:44:21,715 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1319 transitions. Word has length 101 [2020-07-20 10:44:21,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:21,717 INFO L479 AbstractCegarLoop]: Abstraction has 1064 states and 1319 transitions. [2020-07-20 10:44:21,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:44:21,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1319 transitions. [2020-07-20 10:44:21,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-20 10:44:21,721 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:21,721 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:21,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:21,935 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:21,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:21,936 INFO L82 PathProgramCache]: Analyzing trace with hash 593895307, now seen corresponding path program 1 times [2020-07-20 10:44:21,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:21,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [842583694] [2020-07-20 10:44:21,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:22,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 10:44:22,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:22,175 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 10:44:22,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:22,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [842583694] [2020-07-20 10:44:22,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:22,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:22,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130101616] [2020-07-20 10:44:22,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:22,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:22,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:22,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:22,178 INFO L87 Difference]: Start difference. First operand 1064 states and 1319 transitions. Second operand 3 states. [2020-07-20 10:44:22,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:22,280 INFO L93 Difference]: Finished difference Result 1274 states and 1576 transitions. [2020-07-20 10:44:22,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:22,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-07-20 10:44:22,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:22,286 INFO L225 Difference]: With dead ends: 1274 [2020-07-20 10:44:22,286 INFO L226 Difference]: Without dead ends: 514 [2020-07-20 10:44:22,289 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:22,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2020-07-20 10:44:22,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 514. [2020-07-20 10:44:22,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2020-07-20 10:44:22,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 618 transitions. [2020-07-20 10:44:22,327 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 618 transitions. Word has length 142 [2020-07-20 10:44:22,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:22,328 INFO L479 AbstractCegarLoop]: Abstraction has 514 states and 618 transitions. [2020-07-20 10:44:22,328 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:22,328 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 618 transitions. [2020-07-20 10:44:22,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-07-20 10:44:22,332 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:22,333 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:22,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:22,546 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:22,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:22,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1947078735, now seen corresponding path program 1 times [2020-07-20 10:44:22,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:22,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1298189433] [2020-07-20 10:44:22,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:22,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:44:22,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:22,803 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:22,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:44:23,230 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-20 10:44:23,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1298189433] [2020-07-20 10:44:23,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 10:44:23,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 10:44:23,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873499002] [2020-07-20 10:44:23,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:44:23,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:23,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:44:23,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:44:23,233 INFO L87 Difference]: Start difference. First operand 514 states and 618 transitions. Second operand 10 states. [2020-07-20 10:44:24,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:24,177 INFO L93 Difference]: Finished difference Result 1096 states and 1335 transitions. [2020-07-20 10:44:24,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 10:44:24,178 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 178 [2020-07-20 10:44:24,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:24,179 INFO L225 Difference]: With dead ends: 1096 [2020-07-20 10:44:24,179 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:44:24,182 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 343 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 10:44:24,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:44:24,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:44:24,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:44:24,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:44:24,188 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2020-07-20 10:44:24,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:24,188 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:44:24,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:44:24,188 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:44:24,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:44:24,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:24,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:44:26,109 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-07-20 10:44:26,543 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 45 [2020-07-20 10:44:27,124 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2020-07-20 10:44:27,526 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-20 10:44:27,633 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 25 [2020-07-20 10:44:27,895 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-07-20 10:44:28,291 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-07-20 10:44:28,685 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 40 [2020-07-20 10:44:29,046 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 10:44:29,207 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 10:44:29,715 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-20 10:44:29,715 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-20 10:44:29,715 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 10:44:29,716 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-20 10:44:29,716 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-20 10:44:29,716 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-20 10:44:29,716 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-20 10:44:29,716 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-20 10:44:29,716 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 10:44:29,716 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-20 10:44:29,716 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-20 10:44:29,717 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-20 10:44:29,717 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-20 10:44:29,717 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 10:44:29,717 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-20 10:44:29,717 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-20 10:44:29,717 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-20 10:44:29,717 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-20 10:44:29,718 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 530 536) the Hoare annotation is: true [2020-07-20 10:44:29,718 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 530 536) no Hoare annotation was computed. [2020-07-20 10:44:29,718 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 537 545) no Hoare annotation was computed. [2020-07-20 10:44:29,718 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 537 545) the Hoare annotation is: true [2020-07-20 10:44:29,718 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 537 545) no Hoare annotation was computed. [2020-07-20 10:44:29,718 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 980 987) the Hoare annotation is: true [2020-07-20 10:44:29,719 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 980 987) no Hoare annotation was computed. [2020-07-20 10:44:29,719 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 980 987) no Hoare annotation was computed. [2020-07-20 10:44:29,719 INFO L268 CegarLoopResult]: For program point L993(line 993) no Hoare annotation was computed. [2020-07-20 10:44:29,719 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 988 997) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-20 10:44:29,719 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 988 997) no Hoare annotation was computed. [2020-07-20 10:44:29,719 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 988 997) no Hoare annotation was computed. [2020-07-20 10:44:29,720 INFO L264 CegarLoopResult]: At program point L1013(line 1013) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 10:44:29,720 INFO L268 CegarLoopResult]: For program point L1011(lines 1011 1017) no Hoare annotation was computed. [2020-07-20 10:44:29,720 INFO L268 CegarLoopResult]: For program point L1010(lines 1010 1020) no Hoare annotation was computed. [2020-07-20 10:44:29,720 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 998 1026) the Hoare annotation is: true [2020-07-20 10:44:29,720 INFO L264 CegarLoopResult]: At program point L1008(line 1008) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 10:44:29,721 INFO L268 CegarLoopResult]: For program point L1008-1(line 1008) no Hoare annotation was computed. [2020-07-20 10:44:29,721 INFO L268 CegarLoopResult]: For program point L1006(lines 1006 1023) no Hoare annotation was computed. [2020-07-20 10:44:29,721 INFO L268 CegarLoopResult]: For program point L1006-1(lines 998 1026) no Hoare annotation was computed. [2020-07-20 10:44:29,721 INFO L271 CegarLoopResult]: At program point L1004(line 1004) the Hoare annotation is: true [2020-07-20 10:44:29,721 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 998 1026) no Hoare annotation was computed. [2020-07-20 10:44:29,721 INFO L268 CegarLoopResult]: For program point L1004-1(line 1004) no Hoare annotation was computed. [2020-07-20 10:44:29,721 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:29,722 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-20 10:44:29,722 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:29,722 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:29,722 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-07-20 10:44:29,722 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-07-20 10:44:29,722 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 10:44:29,722 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:29,723 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:29,723 INFO L264 CegarLoopResult]: At program point L494-1(line 494) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:29,723 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-20 10:44:29,723 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-20 10:44:29,723 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 10:44:29,723 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-07-20 10:44:29,723 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-07-20 10:44:29,724 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-20 10:44:29,724 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-07-20 10:44:29,724 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-07-20 10:44:29,724 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-20 10:44:29,724 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 10:44:29,724 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 10:44:29,724 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-20 10:44:29,724 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 10:44:29,724 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 10:44:29,724 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-20 10:44:29,724 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-20 10:44:29,724 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 10:44:29,724 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-07-20 10:44:29,725 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 963 977) no Hoare annotation was computed. [2020-07-20 10:44:29,725 INFO L264 CegarLoopResult]: At program point L969(line 969) the Hoare annotation is: (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0))) [2020-07-20 10:44:29,725 INFO L268 CegarLoopResult]: For program point L967(lines 967 973) no Hoare annotation was computed. [2020-07-20 10:44:29,725 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 963 977) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0)) (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse0 (= 0 ~systemActive~0) .cse1 (not (= 0 |old(~systemActive~0)|))))) [2020-07-20 10:44:29,725 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 963 977) no Hoare annotation was computed. [2020-07-20 10:44:29,725 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 880 888) no Hoare annotation was computed. [2020-07-20 10:44:29,726 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 880 888) the Hoare annotation is: true [2020-07-20 10:44:29,726 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 880 888) no Hoare annotation was computed. [2020-07-20 10:44:29,726 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 944 962) the Hoare annotation is: true [2020-07-20 10:44:29,726 INFO L268 CegarLoopResult]: For program point L953(lines 953 957) no Hoare annotation was computed. [2020-07-20 10:44:29,726 INFO L271 CegarLoopResult]: At program point L951(line 951) the Hoare annotation is: true [2020-07-20 10:44:29,726 INFO L268 CegarLoopResult]: For program point L953-2(lines 953 957) no Hoare annotation was computed. [2020-07-20 10:44:29,726 INFO L268 CegarLoopResult]: For program point L951-1(line 951) no Hoare annotation was computed. [2020-07-20 10:44:29,726 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 944 962) no Hoare annotation was computed. [2020-07-20 10:44:29,727 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 944 962) no Hoare annotation was computed. [2020-07-20 10:44:29,727 INFO L268 CegarLoopResult]: For program point L896(lines 896 904) no Hoare annotation was computed. [2020-07-20 10:44:29,727 INFO L268 CegarLoopResult]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2020-07-20 10:44:29,727 INFO L268 CegarLoopResult]: For program point L919(line 919) no Hoare annotation was computed. [2020-07-20 10:44:29,727 INFO L268 CegarLoopResult]: For program point L919-1(line 919) no Hoare annotation was computed. [2020-07-20 10:44:29,727 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 889 924) no Hoare annotation was computed. [2020-07-20 10:44:29,727 INFO L268 CegarLoopResult]: For program point L908(lines 908 916) no Hoare annotation was computed. [2020-07-20 10:44:29,727 INFO L268 CegarLoopResult]: For program point L908-2(lines 908 916) no Hoare annotation was computed. [2020-07-20 10:44:29,728 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 889 924) no Hoare annotation was computed. [2020-07-20 10:44:29,728 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 889 924) no Hoare annotation was computed. [2020-07-20 10:44:29,728 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 523 529) no Hoare annotation was computed. [2020-07-20 10:44:29,728 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 523 529) the Hoare annotation is: true [2020-07-20 10:44:29,728 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-20 10:44:29,728 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-20 10:44:29,728 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-20 10:44:29,728 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-20 10:44:29,729 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-20 10:44:29,729 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-20 10:44:29,729 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-20 10:44:29,729 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-20 10:44:29,729 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-20 10:44:29,729 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:29,729 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:29,730 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2020-07-20 10:44:29,730 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2020-07-20 10:44:29,730 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 869 879) the Hoare annotation is: true [2020-07-20 10:44:29,730 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 869 879) no Hoare annotation was computed. [2020-07-20 10:44:29,730 INFO L271 CegarLoopResult]: At program point L874(line 874) the Hoare annotation is: true [2020-07-20 10:44:29,730 INFO L268 CegarLoopResult]: For program point L874-1(line 874) no Hoare annotation was computed. [2020-07-20 10:44:29,730 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 869 879) no Hoare annotation was computed. [2020-07-20 10:44:29,730 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 861 868) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-20 10:44:29,730 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 861 868) no Hoare annotation was computed. [2020-07-20 10:44:29,731 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 861 868) no Hoare annotation was computed. [2020-07-20 10:44:29,731 INFO L268 CegarLoopResult]: For program point L713(lines 713 719) no Hoare annotation was computed. [2020-07-20 10:44:29,731 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 709 722) no Hoare annotation was computed. [2020-07-20 10:44:29,731 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 709 722) the Hoare annotation is: true [2020-07-20 10:44:29,731 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 709 722) no Hoare annotation was computed. [2020-07-20 10:44:29,731 INFO L268 CegarLoopResult]: For program point L834-1(line 834) no Hoare annotation was computed. [2020-07-20 10:44:29,731 INFO L268 CegarLoopResult]: For program point L832(lines 832 849) no Hoare annotation was computed. [2020-07-20 10:44:29,731 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 828 852) no Hoare annotation was computed. [2020-07-20 10:44:29,732 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 828 852) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:29,732 INFO L264 CegarLoopResult]: At program point L847(line 847) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:29,732 INFO L268 CegarLoopResult]: For program point L847-1(lines 828 852) no Hoare annotation was computed. [2020-07-20 10:44:29,732 INFO L264 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:29,732 INFO L264 CegarLoopResult]: At program point L838(line 838) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:29,732 INFO L268 CegarLoopResult]: For program point L836(lines 836 844) no Hoare annotation was computed. [2020-07-20 10:44:29,733 INFO L264 CegarLoopResult]: At program point L834(line 834) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:29,733 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 768 774) no Hoare annotation was computed. [2020-07-20 10:44:29,733 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 768 774) the Hoare annotation is: true [2020-07-20 10:44:29,733 INFO L264 CegarLoopResult]: At program point testENTRY(lines 557 622) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:29,733 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= ~waterLevel~0 2) (<= test_~splverifierCounter~0 0))) [2020-07-20 10:44:29,733 INFO L268 CegarLoopResult]: For program point L603(lines 603 609) no Hoare annotation was computed. [2020-07-20 10:44:29,734 INFO L264 CegarLoopResult]: At program point L603-1(lines 597 610) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:29,734 INFO L268 CegarLoopResult]: For program point L568(lines 567 614) no Hoare annotation was computed. [2020-07-20 10:44:29,734 INFO L268 CegarLoopResult]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2020-07-20 10:44:29,734 INFO L268 CegarLoopResult]: For program point L597(lines 597 610) no Hoare annotation was computed. [2020-07-20 10:44:29,734 INFO L264 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:29,734 INFO L268 CegarLoopResult]: For program point L587(lines 587 593) no Hoare annotation was computed. [2020-07-20 10:44:29,734 INFO L268 CegarLoopResult]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2020-07-20 10:44:29,735 INFO L264 CegarLoopResult]: At program point L612(lines 567 614) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:29,735 INFO L264 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:29,735 INFO L268 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-07-20 10:44:29,735 INFO L268 CegarLoopResult]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2020-07-20 10:44:29,735 INFO L268 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-07-20 10:44:29,735 INFO L264 CegarLoopResult]: At program point L615(lines 566 616) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:29,736 INFO L268 CegarLoopResult]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2020-07-20 10:44:29,736 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-20 10:44:29,736 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-20 10:44:29,736 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-20 10:44:29,736 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-20 10:44:29,736 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-20 10:44:29,736 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-20 10:44:29,736 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 723 731) no Hoare annotation was computed. [2020-07-20 10:44:29,736 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 723 731) the Hoare annotation is: true [2020-07-20 10:44:29,737 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 723 731) no Hoare annotation was computed. [2020-07-20 10:44:29,737 INFO L268 CegarLoopResult]: For program point L685(lines 685 693) no Hoare annotation was computed. [2020-07-20 10:44:29,737 INFO L268 CegarLoopResult]: For program point L685-2(lines 685 693) no Hoare annotation was computed. [2020-07-20 10:44:29,737 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 677 699) no Hoare annotation was computed. [2020-07-20 10:44:29,737 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 677 699) no Hoare annotation was computed. [2020-07-20 10:44:29,737 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 677 699) no Hoare annotation was computed. [2020-07-20 10:44:29,737 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-20 10:44:29,737 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-20 10:44:29,738 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-20 10:44:29,738 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 10:44:29,738 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-20 10:44:29,738 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-20 10:44:29,738 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-20 10:44:29,738 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 10:44:29,738 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-20 10:44:29,738 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-20 10:44:29,738 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-20 10:44:29,739 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-20 10:44:29,739 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-20 10:44:29,739 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-20 10:44:29,739 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-20 10:44:29,739 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-20 10:44:29,739 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 513 522) no Hoare annotation was computed. [2020-07-20 10:44:29,739 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 513 522) no Hoare annotation was computed. [2020-07-20 10:44:29,739 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 513 522) no Hoare annotation was computed. [2020-07-20 10:44:29,740 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:29,740 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-20 10:44:29,740 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:29,740 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 853 860) no Hoare annotation was computed. [2020-07-20 10:44:29,740 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 853 860) no Hoare annotation was computed. [2020-07-20 10:44:29,740 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 853 860) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:29,740 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 700 708) the Hoare annotation is: true [2020-07-20 10:44:29,740 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 700 708) no Hoare annotation was computed. [2020-07-20 10:44:29,741 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 700 708) no Hoare annotation was computed. [2020-07-20 10:44:29,741 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 925 943) no Hoare annotation was computed. [2020-07-20 10:44:29,741 INFO L268 CegarLoopResult]: For program point L934(lines 934 938) no Hoare annotation was computed. [2020-07-20 10:44:29,741 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 925 943) the Hoare annotation is: true [2020-07-20 10:44:29,741 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 925 943) no Hoare annotation was computed. [2020-07-20 10:44:29,741 INFO L271 CegarLoopResult]: At program point L932(line 932) the Hoare annotation is: true [2020-07-20 10:44:29,741 INFO L268 CegarLoopResult]: For program point L934-2(lines 934 938) no Hoare annotation was computed. [2020-07-20 10:44:29,741 INFO L268 CegarLoopResult]: For program point L932-1(line 932) no Hoare annotation was computed. [2020-07-20 10:44:29,742 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:29,742 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:44:29,742 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:29,742 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 656 667) the Hoare annotation is: true [2020-07-20 10:44:29,742 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 656 667) no Hoare annotation was computed. [2020-07-20 10:44:29,742 INFO L268 CegarLoopResult]: For program point L660-1(lines 656 667) no Hoare annotation was computed. [2020-07-20 10:44:29,742 INFO L264 CegarLoopResult]: At program point L757(line 757) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (and .cse4 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse2 .cse6 .cse3)))) [2020-07-20 10:44:29,743 INFO L264 CegarLoopResult]: At program point L755(lines 755 761) the Hoare annotation is: (let ((.cse13 (<= 1 ~pumpRunning~0)) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= 0 ~pumpRunning~0)) (.cse14 (<= ~waterLevel~0 1))) (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and .cse11 .cse12 (<= 1 ~switchedOnBeforeTS~0) .cse14)) (.cse7 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse11 .cse14 .cse13)) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (and .cse11 .cse12)) (.cse0 (not (= 0 ~systemActive~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (<= 2 ~waterLevel~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse7 .cse8) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse9 .cse4 .cse5 .cse6 .cse7) (or .cse9 .cse4 .cse1 .cse3) (or .cse10 .cse0 .cse1 .cse2 .cse8) (or .cse4 (and .cse10 .cse11 .cse12) .cse1 (and .cse10 .cse11 .cse13) .cse2 .cse8)))) [2020-07-20 10:44:29,743 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 741 767) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (<= 2 ~waterLevel~0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 2)) (.cse10 (= 0 ~pumpRunning~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse6) .cse2) (or .cse8 .cse9 .cse2 (and .cse7 .cse10)) (or .cse0 .cse4 .cse9 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse7 .cse9) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse9 (<= 1 ~switchedOnBeforeTS~0) .cse2) (or .cse4 .cse8 .cse9 .cse2 .cse3) (or .cse0 .cse9 (and .cse5 .cse10) .cse2))) [2020-07-20 10:44:29,743 INFO L264 CegarLoopResult]: At program point L750(line 750) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 ~pumpRunning~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or (not (= 0 ~systemActive~0)) .cse5 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse4 (and .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse3) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 10:44:29,743 INFO L268 CegarLoopResult]: For program point L748(lines 744 766) no Hoare annotation was computed. [2020-07-20 10:44:29,744 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 741 767) no Hoare annotation was computed. [2020-07-20 10:44:29,744 INFO L268 CegarLoopResult]: For program point L746(lines 744 766) no Hoare annotation was computed. [2020-07-20 10:44:29,744 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 741 767) no Hoare annotation was computed. [2020-07-20 10:44:29,744 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-07-20 10:44:29,744 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-07-20 10:44:29,744 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-07-20 10:44:29,744 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-20 10:44:29,744 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-07-20 10:44:29,744 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-07-20 10:44:29,745 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-20 10:44:29,745 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-20 10:44:29,745 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-07-20 10:44:29,745 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-20 10:44:29,745 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 668 676) the Hoare annotation is: true [2020-07-20 10:44:29,745 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 668 676) no Hoare annotation was computed. [2020-07-20 10:44:29,745 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 668 676) no Hoare annotation was computed. [2020-07-20 10:44:29,745 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 632 643) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 10:44:29,746 INFO L268 CegarLoopResult]: For program point L636-1(lines 632 643) no Hoare annotation was computed. [2020-07-20 10:44:29,746 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 632 643) no Hoare annotation was computed. [2020-07-20 10:44:29,746 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-07-20 10:44:29,746 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-07-20 10:44:29,746 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:29,746 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 10:44:29,746 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:44:29,746 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:29,746 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 776 800) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:29,747 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 776 800) no Hoare annotation was computed. [2020-07-20 10:44:29,747 INFO L264 CegarLoopResult]: At program point L795(line 795) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:29,747 INFO L268 CegarLoopResult]: For program point L795-1(lines 776 800) no Hoare annotation was computed. [2020-07-20 10:44:29,747 INFO L264 CegarLoopResult]: At program point L790(line 790) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= 0 ~pumpRunning~0))))) [2020-07-20 10:44:29,747 INFO L264 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:29,747 INFO L268 CegarLoopResult]: For program point L784(lines 784 792) no Hoare annotation was computed. [2020-07-20 10:44:29,748 INFO L264 CegarLoopResult]: At program point L782(line 782) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:29,748 INFO L268 CegarLoopResult]: For program point L782-1(line 782) no Hoare annotation was computed. [2020-07-20 10:44:29,748 INFO L268 CegarLoopResult]: For program point L780(lines 780 797) no Hoare annotation was computed. [2020-07-20 10:44:29,748 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 644 655) no Hoare annotation was computed. [2020-07-20 10:44:29,748 INFO L268 CegarLoopResult]: For program point L648-1(lines 644 655) no Hoare annotation was computed. [2020-07-20 10:44:29,748 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 644 655) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse3 .cse4) (or .cse6 .cse0 .cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse8) (or .cse6 .cse7 .cse5 .cse3) (or .cse0 .cse1 .cse2 .cse8 .cse4) (or .cse6 .cse0 .cse7 .cse3))) [2020-07-20 10:44:29,748 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 547 554) no Hoare annotation was computed. [2020-07-20 10:44:29,748 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 551) no Hoare annotation was computed. [2020-07-20 10:44:29,749 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 547 554) the Hoare annotation is: true [2020-07-20 10:44:29,749 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 547 554) no Hoare annotation was computed. [2020-07-20 10:44:29,749 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 802 826) no Hoare annotation was computed. [2020-07-20 10:44:29,749 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 802 826) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:29,749 INFO L264 CegarLoopResult]: At program point L821(line 821) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:29,749 INFO L268 CegarLoopResult]: For program point L821-1(lines 802 826) no Hoare annotation was computed. [2020-07-20 10:44:29,749 INFO L264 CegarLoopResult]: At program point L816(line 816) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:29,750 INFO L264 CegarLoopResult]: At program point L812(line 812) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:29,750 INFO L268 CegarLoopResult]: For program point L810(lines 810 818) no Hoare annotation was computed. [2020-07-20 10:44:29,750 INFO L264 CegarLoopResult]: At program point L808(line 808) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:29,750 INFO L268 CegarLoopResult]: For program point L808-1(line 808) no Hoare annotation was computed. [2020-07-20 10:44:29,750 INFO L268 CegarLoopResult]: For program point L806(lines 806 823) no Hoare annotation was computed. [2020-07-20 10:44:29,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:44:29 BoogieIcfgContainer [2020-07-20 10:44:29,766 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:44:29,768 INFO L168 Benchmark]: Toolchain (without parser) took 16429.03 ms. Allocated memory was 138.9 MB in the beginning and 416.3 MB in the end (delta: 277.3 MB). Free memory was 101.5 MB in the beginning and 167.1 MB in the end (delta: -65.7 MB). Peak memory consumption was 292.2 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:29,769 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:44:29,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.21 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 101.0 MB in the beginning and 171.7 MB in the end (delta: -70.6 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:29,770 INFO L168 Benchmark]: Boogie Preprocessor took 94.42 ms. Allocated memory is still 203.4 MB. Free memory was 171.7 MB in the beginning and 167.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:29,771 INFO L168 Benchmark]: RCFGBuilder took 1120.22 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 167.7 MB in the beginning and 191.8 MB in the end (delta: -24.1 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:29,772 INFO L168 Benchmark]: TraceAbstraction took 14554.16 ms. Allocated memory was 237.0 MB in the beginning and 416.3 MB in the end (delta: 179.3 MB). Free memory was 191.8 MB in the beginning and 167.1 MB in the end (delta: 24.7 MB). Peak memory consumption was 284.5 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:29,775 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 654.21 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 101.0 MB in the beginning and 171.7 MB in the end (delta: -70.6 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.42 ms. Allocated memory is still 203.4 MB. Free memory was 171.7 MB in the beginning and 167.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1120.22 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 167.7 MB in the beginning and 191.8 MB in the end (delta: -24.1 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14554.16 ms. Allocated memory was 237.0 MB in the beginning and 416.3 MB in the end (delta: 179.3 MB). Free memory was 191.8 MB in the beginning and 167.1 MB in the end (delta: 24.7 MB). Peak memory consumption was 284.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 551]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 261 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.1s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2138 SDtfs, 1179 SDslu, 3839 SDs, 0 SdLazy, 1793 SolverSat, 438 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1156 GetRequests, 1097 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1064occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 386 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 1854 PreInvPairs, 1953 NumberOfFragments, 2119 HoareAnnotationTreeSize, 1854 FomulaSimplifications, 2010 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 72 FomulaSimplificationsInter, 7481 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 965 NumberOfCodeBlocks, 965 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1132 ConstructedInterpolants, 0 QuantifiedInterpolants, 247098 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7879 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 123/149 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...