/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_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:39:12,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:39:12,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:39:12,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:39:12,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:39:12,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:39:12,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:39:12,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:39:12,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:39:12,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:39:12,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:39:12,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:39:12,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:39:12,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:39:12,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:39:12,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:39:12,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:39:12,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:39:12,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:39:12,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:39:12,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:39:12,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:39:12,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:39:12,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:39:12,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:39:12,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:39:12,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:39:12,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:39:12,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:39:12,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:39:12,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:39:12,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:39:12,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:39:12,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:39:12,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:39:12,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:39:12,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:39:12,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:39:12,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:39:12,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:39:12,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:39:12,966 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 [2020-07-21 10:39:12,981 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:39:12,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:39:12,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:39:12,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:39:12,983 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:39:12,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:39:12,983 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:39:12,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:39:12,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:39:12,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:39:12,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:39:12,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:39:12,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:39:12,984 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:39:12,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:39:12,985 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:39:12,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:39:12,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:39:12,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:39:12,986 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:39:12,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:39:12,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:39:12,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:39:12,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:39:12,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:39:12,987 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:39:12,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:12,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:39:12,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:39:12,988 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 [2020-07-21 10:39:13,259 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:39:13,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:39:13,277 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:39:13,279 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:39:13,279 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:39:13,280 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2020-07-21 10:39:13,358 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ade6085a/4aa5ed80687842e094a1ae8eb0cd3a4a/FLAG333e0ce39 [2020-07-21 10:39:13,957 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:39:13,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2020-07-21 10:39:13,988 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ade6085a/4aa5ed80687842e094a1ae8eb0cd3a4a/FLAG333e0ce39 [2020-07-21 10:39:14,226 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ade6085a/4aa5ed80687842e094a1ae8eb0cd3a4a [2020-07-21 10:39:14,236 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:39:14,238 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:39:14,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:39:14,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:39:14,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:39:14,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:39:14" (1/1) ... [2020-07-21 10:39:14,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a75738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:14, skipping insertion in model container [2020-07-21 10:39:14,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:39:14" (1/1) ... [2020-07-21 10:39:14,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:39:14,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:39:14,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:39:14,748 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:39:14,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:39:14,932 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:39:14,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:14 WrapperNode [2020-07-21 10:39:14,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:39:14,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:39:14,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:39:14,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:39:14,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:14" (1/1) ... [2020-07-21 10:39:14,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:14" (1/1) ... [2020-07-21 10:39:14,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:14" (1/1) ... [2020-07-21 10:39:14,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:14" (1/1) ... [2020-07-21 10:39:14,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:14" (1/1) ... [2020-07-21 10:39:15,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:14" (1/1) ... [2020-07-21 10:39:15,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:14" (1/1) ... [2020-07-21 10:39:15,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:39:15,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:39:15,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:39:15,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:39:15,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:14" (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 [2020-07-21 10:39:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:39:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:39:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:39:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:39:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:39:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:39:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 10:39:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:39:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 10:39:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:39:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:39:15,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:39:15,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:39:15,097 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:39:15,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 10:39:15,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 10:39:15,098 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 10:39:15,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:39:15,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:39:15,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:39:15,098 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:39:15,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:39:15,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:39:15,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:39:15,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:39:15,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:39:15,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:39:15,100 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:39:15,100 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:39:15,101 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:39:15,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:39:15,101 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:39:15,101 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:39:15,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 10:39:15,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 10:39:15,102 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:39:15,102 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:39:15,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:39:15,102 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:39:15,102 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:39:15,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:39:15,103 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:39:15,103 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:39:15,103 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:39:15,103 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:39:15,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:39:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:39:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:39:15,104 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:39:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:39:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:39:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 10:39:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 10:39:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:39:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:39:15,105 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:39:15,106 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:39:15,106 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:39:15,106 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 10:39:15,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:39:15,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:39:15,106 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:39:15,107 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:39:15,107 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 10:39:15,107 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:39:15,107 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 10:39:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 10:39:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:39:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 10:39:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:39:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:39:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:39:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:39:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:39:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:39:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:39:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:39:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:39:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:39:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:39:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:39:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:39:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:39:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:39:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:39:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:39:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:39:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:39:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:39:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:39:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:39:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:39:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:39:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:39:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:39:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:39:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:39:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:39:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:39:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:39:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:39:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:39:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:39:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:39:16,176 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:39:16,176 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:39:16,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:39:16 BoogieIcfgContainer [2020-07-21 10:39:16,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:39:16,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:39:16,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:39:16,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:39:16,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:39:14" (1/3) ... [2020-07-21 10:39:16,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fd1cac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:39:16, skipping insertion in model container [2020-07-21 10:39:16,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:14" (2/3) ... [2020-07-21 10:39:16,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fd1cac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:39:16, skipping insertion in model container [2020-07-21 10:39:16,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:39:16" (3/3) ... [2020-07-21 10:39:16,191 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product62.cil.c [2020-07-21 10:39:16,203 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:39:16,211 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:39:16,226 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:39:16,249 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:39:16,249 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:39:16,249 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:39:16,249 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:39:16,249 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:39:16,250 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:39:16,250 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:39:16,250 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:39:16,274 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states. [2020-07-21 10:39:16,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 10:39:16,285 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:16,286 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] [2020-07-21 10:39:16,287 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:16,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:16,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1456889578, now seen corresponding path program 1 times [2020-07-21 10:39:16,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:16,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292934370] [2020-07-21 10:39:16,303 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 [2020-07-21 10:39:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:16,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:39:16,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:16,700 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:39:16,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:16,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292934370] [2020-07-21 10:39:16,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:16,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:39:16,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114240289] [2020-07-21 10:39:16,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:39:16,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:16,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:39:16,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:39:16,734 INFO L87 Difference]: Start difference. First operand 210 states. Second operand 2 states. [2020-07-21 10:39:16,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:16,812 INFO L93 Difference]: Finished difference Result 330 states and 407 transitions. [2020-07-21 10:39:16,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:39:16,814 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 10:39:16,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:16,838 INFO L225 Difference]: With dead ends: 330 [2020-07-21 10:39:16,838 INFO L226 Difference]: Without dead ends: 167 [2020-07-21 10:39:16,847 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 [2020-07-21 10:39:16,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-07-21 10:39:16,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2020-07-21 10:39:16,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-07-21 10:39:16,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 197 transitions. [2020-07-21 10:39:16,929 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 197 transitions. Word has length 59 [2020-07-21 10:39:16,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:16,930 INFO L479 AbstractCegarLoop]: Abstraction has 167 states and 197 transitions. [2020-07-21 10:39:16,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:39:16,930 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 197 transitions. [2020-07-21 10:39:16,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 10:39:16,944 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:16,944 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] [2020-07-21 10:39:17,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:17,160 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:17,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:17,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1129690590, now seen corresponding path program 1 times [2020-07-21 10:39:17,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:17,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1907307422] [2020-07-21 10:39:17,162 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 [2020-07-21 10:39:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:17,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:39:17,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:17,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:39:17,462 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:17,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1907307422] [2020-07-21 10:39:17,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:17,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:17,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277227917] [2020-07-21 10:39:17,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:17,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:17,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:17,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:17,465 INFO L87 Difference]: Start difference. First operand 167 states and 197 transitions. Second operand 3 states. [2020-07-21 10:39:17,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:17,488 INFO L93 Difference]: Finished difference Result 275 states and 325 transitions. [2020-07-21 10:39:17,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:17,488 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 10:39:17,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:17,491 INFO L225 Difference]: With dead ends: 275 [2020-07-21 10:39:17,491 INFO L226 Difference]: Without dead ends: 158 [2020-07-21 10:39:17,493 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 [2020-07-21 10:39:17,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-21 10:39:17,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2020-07-21 10:39:17,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-07-21 10:39:17,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 185 transitions. [2020-07-21 10:39:17,514 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 185 transitions. Word has length 60 [2020-07-21 10:39:17,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:17,515 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 185 transitions. [2020-07-21 10:39:17,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:17,515 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 185 transitions. [2020-07-21 10:39:17,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-21 10:39:17,519 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:17,519 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:17,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:17,735 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:17,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:17,736 INFO L82 PathProgramCache]: Analyzing trace with hash -651026134, now seen corresponding path program 1 times [2020-07-21 10:39:17,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:17,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [136195319] [2020-07-21 10:39:17,737 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 [2020-07-21 10:39:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:17,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:39:17,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:17,943 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:17,944 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:17,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [136195319] [2020-07-21 10:39:17,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:17,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:17,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402307272] [2020-07-21 10:39:17,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:17,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:17,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:17,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:17,946 INFO L87 Difference]: Start difference. First operand 158 states and 185 transitions. Second operand 3 states. [2020-07-21 10:39:17,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:17,972 INFO L93 Difference]: Finished difference Result 288 states and 343 transitions. [2020-07-21 10:39:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:17,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-21 10:39:17,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:17,975 INFO L225 Difference]: With dead ends: 288 [2020-07-21 10:39:17,975 INFO L226 Difference]: Without dead ends: 158 [2020-07-21 10:39:17,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:17,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-21 10:39:17,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2020-07-21 10:39:17,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-07-21 10:39:17,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 184 transitions. [2020-07-21 10:39:17,991 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 184 transitions. Word has length 65 [2020-07-21 10:39:17,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:17,992 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 184 transitions. [2020-07-21 10:39:17,993 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:17,993 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 184 transitions. [2020-07-21 10:39:17,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-21 10:39:17,994 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:17,995 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] [2020-07-21 10:39:18,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:18,209 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:18,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:18,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1717523051, now seen corresponding path program 1 times [2020-07-21 10:39:18,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:18,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [311075085] [2020-07-21 10:39:18,211 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 [2020-07-21 10:39:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:18,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 10:39:18,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:18,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:18,465 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:18,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [311075085] [2020-07-21 10:39:18,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:18,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-21 10:39:18,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825101003] [2020-07-21 10:39:18,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 10:39:18,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:18,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 10:39:18,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:39:18,471 INFO L87 Difference]: Start difference. First operand 158 states and 184 transitions. Second operand 7 states. [2020-07-21 10:39:19,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:19,382 INFO L93 Difference]: Finished difference Result 393 states and 485 transitions. [2020-07-21 10:39:19,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 10:39:19,382 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2020-07-21 10:39:19,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:19,386 INFO L225 Difference]: With dead ends: 393 [2020-07-21 10:39:19,386 INFO L226 Difference]: Without dead ends: 263 [2020-07-21 10:39:19,388 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-21 10:39:19,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-07-21 10:39:19,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 246. [2020-07-21 10:39:19,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-07-21 10:39:19,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 286 transitions. [2020-07-21 10:39:19,416 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 286 transitions. Word has length 83 [2020-07-21 10:39:19,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:19,417 INFO L479 AbstractCegarLoop]: Abstraction has 246 states and 286 transitions. [2020-07-21 10:39:19,417 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 10:39:19,417 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 286 transitions. [2020-07-21 10:39:19,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-21 10:39:19,419 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:19,419 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:19,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:19,634 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:19,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:19,635 INFO L82 PathProgramCache]: Analyzing trace with hash 299468705, now seen corresponding path program 1 times [2020-07-21 10:39:19,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:19,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [795635228] [2020-07-21 10:39:19,636 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 [2020-07-21 10:39:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:19,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:39:19,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:19,880 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:19,880 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:19,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [795635228] [2020-07-21 10:39:19,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:19,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:39:19,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049362238] [2020-07-21 10:39:19,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:39:19,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:19,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:39:19,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:39:19,883 INFO L87 Difference]: Start difference. First operand 246 states and 286 transitions. Second operand 6 states. [2020-07-21 10:39:19,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:19,924 INFO L93 Difference]: Finished difference Result 471 states and 569 transitions. [2020-07-21 10:39:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:39:19,925 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2020-07-21 10:39:19,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:19,928 INFO L225 Difference]: With dead ends: 471 [2020-07-21 10:39:19,928 INFO L226 Difference]: Without dead ends: 253 [2020-07-21 10:39:19,929 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:39:19,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-07-21 10:39:19,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 251. [2020-07-21 10:39:19,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-07-21 10:39:19,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 291 transitions. [2020-07-21 10:39:19,952 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 291 transitions. Word has length 113 [2020-07-21 10:39:19,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:19,953 INFO L479 AbstractCegarLoop]: Abstraction has 251 states and 291 transitions. [2020-07-21 10:39:19,953 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:39:19,953 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 291 transitions. [2020-07-21 10:39:19,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-21 10:39:19,954 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:19,954 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:20,168 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:20,169 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:20,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:20,170 INFO L82 PathProgramCache]: Analyzing trace with hash -2056336545, now seen corresponding path program 1 times [2020-07-21 10:39:20,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:20,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1172156406] [2020-07-21 10:39:20,171 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 [2020-07-21 10:39:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:20,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 10:39:20,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:20,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:20,371 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:20,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1172156406] [2020-07-21 10:39:20,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:20,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 10:39:20,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097017580] [2020-07-21 10:39:20,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 10:39:20,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:20,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 10:39:20,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:39:20,375 INFO L87 Difference]: Start difference. First operand 251 states and 291 transitions. Second operand 5 states. [2020-07-21 10:39:20,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:20,410 INFO L93 Difference]: Finished difference Result 481 states and 579 transitions. [2020-07-21 10:39:20,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 10:39:20,410 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 113 [2020-07-21 10:39:20,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:20,416 INFO L225 Difference]: With dead ends: 481 [2020-07-21 10:39:20,416 INFO L226 Difference]: Without dead ends: 258 [2020-07-21 10:39:20,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:39:20,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2020-07-21 10:39:20,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 255. [2020-07-21 10:39:20,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-07-21 10:39:20,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 295 transitions. [2020-07-21 10:39:20,445 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 295 transitions. Word has length 113 [2020-07-21 10:39:20,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:20,446 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 295 transitions. [2020-07-21 10:39:20,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 10:39:20,446 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 295 transitions. [2020-07-21 10:39:20,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-21 10:39:20,447 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:20,447 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:20,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:20,663 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:20,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:20,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1287166530, now seen corresponding path program 1 times [2020-07-21 10:39:20,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:20,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1209402286] [2020-07-21 10:39:20,665 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 [2020-07-21 10:39:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:20,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 10:39:20,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:20,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:20,899 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:20,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1209402286] [2020-07-21 10:39:20,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:20,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:20,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720731407] [2020-07-21 10:39:20,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:20,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:20,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:20,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:20,901 INFO L87 Difference]: Start difference. First operand 255 states and 295 transitions. Second operand 3 states. [2020-07-21 10:39:20,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:20,938 INFO L93 Difference]: Finished difference Result 662 states and 812 transitions. [2020-07-21 10:39:20,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:20,939 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-07-21 10:39:20,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:20,942 INFO L225 Difference]: With dead ends: 662 [2020-07-21 10:39:20,942 INFO L226 Difference]: Without dead ends: 435 [2020-07-21 10:39:20,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 110 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:20,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2020-07-21 10:39:20,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 432. [2020-07-21 10:39:20,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-07-21 10:39:20,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 517 transitions. [2020-07-21 10:39:20,972 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 517 transitions. Word has length 113 [2020-07-21 10:39:20,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:20,973 INFO L479 AbstractCegarLoop]: Abstraction has 432 states and 517 transitions. [2020-07-21 10:39:20,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:20,973 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 517 transitions. [2020-07-21 10:39:20,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-07-21 10:39:20,975 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:20,975 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:21,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:21,189 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:21,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:21,190 INFO L82 PathProgramCache]: Analyzing trace with hash -803017404, now seen corresponding path program 1 times [2020-07-21 10:39:21,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:21,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1282547978] [2020-07-21 10:39:21,190 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 [2020-07-21 10:39:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:21,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 10:39:21,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:21,481 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:21,481 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:21,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1282547978] [2020-07-21 10:39:21,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:21,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 10:39:21,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123401360] [2020-07-21 10:39:21,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 10:39:21,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:21,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 10:39:21,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 10:39:21,483 INFO L87 Difference]: Start difference. First operand 432 states and 517 transitions. Second operand 10 states. [2020-07-21 10:39:22,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:22,999 INFO L93 Difference]: Finished difference Result 1150 states and 1557 transitions. [2020-07-21 10:39:23,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-21 10:39:23,000 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 117 [2020-07-21 10:39:23,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:23,005 INFO L225 Difference]: With dead ends: 1150 [2020-07-21 10:39:23,006 INFO L226 Difference]: Without dead ends: 746 [2020-07-21 10:39:23,008 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2020-07-21 10:39:23,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2020-07-21 10:39:23,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 570. [2020-07-21 10:39:23,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2020-07-21 10:39:23,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 686 transitions. [2020-07-21 10:39:23,055 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 686 transitions. Word has length 117 [2020-07-21 10:39:23,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:23,056 INFO L479 AbstractCegarLoop]: Abstraction has 570 states and 686 transitions. [2020-07-21 10:39:23,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 10:39:23,056 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 686 transitions. [2020-07-21 10:39:23,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-21 10:39:23,060 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:23,060 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, 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, 1] [2020-07-21 10:39:23,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:23,274 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:23,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:23,275 INFO L82 PathProgramCache]: Analyzing trace with hash -394036424, now seen corresponding path program 1 times [2020-07-21 10:39:23,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:23,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [376731579] [2020-07-21 10:39:23,276 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 [2020-07-21 10:39:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:23,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:39:23,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:23,600 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 38 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:23,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:39:24,151 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-21 10:39:24,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [376731579] [2020-07-21 10:39:24,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 10:39:24,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 10:39:24,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520569292] [2020-07-21 10:39:24,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 10:39:24,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:24,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 10:39:24,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 10:39:24,153 INFO L87 Difference]: Start difference. First operand 570 states and 686 transitions. Second operand 10 states. [2020-07-21 10:39:24,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:24,951 INFO L93 Difference]: Finished difference Result 1219 states and 1484 transitions. [2020-07-21 10:39:24,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 10:39:24,951 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2020-07-21 10:39:24,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:24,952 INFO L225 Difference]: With dead ends: 1219 [2020-07-21 10:39:24,953 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:39:24,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 377 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-21 10:39:24,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:39:24,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:39:24,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:39:24,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:39:24,959 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2020-07-21 10:39:24,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:24,959 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:39:24,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 10:39:24,959 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:39:24,959 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:39:25,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:25,174 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:39:26,701 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2020-07-21 10:39:26,845 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2020-07-21 10:39:26,985 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2020-07-21 10:39:27,202 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2020-07-21 10:39:27,456 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-07-21 10:39:27,726 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-21 10:39:27,965 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-21 10:39:28,202 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-07-21 10:39:28,567 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-07-21 10:39:28,839 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-21 10:39:29,613 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-21 10:39:29,814 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-07-21 10:39:30,163 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 36 [2020-07-21 10:39:30,282 INFO L268 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-07-21 10:39:30,283 INFO L268 CegarLoopResult]: For program point L508-1(lines 508 512) no Hoare annotation was computed. [2020-07-21 10:39:30,283 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-21 10:39:30,283 INFO L268 CegarLoopResult]: For program point L502-2(lines 502 523) no Hoare annotation was computed. [2020-07-21 10:39:30,283 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 477 532) no Hoare annotation was computed. [2020-07-21 10:39:30,283 INFO L268 CegarLoopResult]: For program point L524(lines 501 525) no Hoare annotation was computed. [2020-07-21 10:39:30,284 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 477 532) no Hoare annotation was computed. [2020-07-21 10:39:30,284 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 477 532) no Hoare annotation was computed. [2020-07-21 10:39:30,284 INFO L268 CegarLoopResult]: For program point L578-1(line 578) no Hoare annotation was computed. [2020-07-21 10:39:30,284 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 533 592) no Hoare annotation was computed. [2020-07-21 10:39:30,284 INFO L268 CegarLoopResult]: For program point L565(lines 565 569) no Hoare annotation was computed. [2020-07-21 10:39:30,284 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 569) no Hoare annotation was computed. [2020-07-21 10:39:30,303 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-21 10:39:30,303 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 533 592) no Hoare annotation was computed. [2020-07-21 10:39:30,303 INFO L268 CegarLoopResult]: For program point L559-2(lines 559 584) no Hoare annotation was computed. [2020-07-21 10:39:30,303 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 533 592) no Hoare annotation was computed. [2020-07-21 10:39:30,303 INFO L268 CegarLoopResult]: For program point L585(lines 558 586) no Hoare annotation was computed. [2020-07-21 10:39:30,303 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-07-21 10:39:30,304 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 1021 1027) the Hoare annotation is: true [2020-07-21 10:39:30,304 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 1021 1027) no Hoare annotation was computed. [2020-07-21 10:39:30,304 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 1028 1036) no Hoare annotation was computed. [2020-07-21 10:39:30,304 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 1028 1036) the Hoare annotation is: true [2020-07-21 10:39:30,304 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 1028 1036) no Hoare annotation was computed. [2020-07-21 10:39:30,304 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 307 314) the Hoare annotation is: true [2020-07-21 10:39:30,304 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 307 314) no Hoare annotation was computed. [2020-07-21 10:39:30,304 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 307 314) no Hoare annotation was computed. [2020-07-21 10:39:30,304 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-07-21 10:39:30,305 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 315 324) 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))))) [2020-07-21 10:39:30,305 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 315 324) no Hoare annotation was computed. [2020-07-21 10:39:30,305 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 315 324) no Hoare annotation was computed. [2020-07-21 10:39:30,305 INFO L264 CegarLoopResult]: At program point L340(line 340) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-21 10:39:30,305 INFO L268 CegarLoopResult]: For program point L338(lines 338 344) no Hoare annotation was computed. [2020-07-21 10:39:30,305 INFO L268 CegarLoopResult]: For program point L337(lines 337 347) no Hoare annotation was computed. [2020-07-21 10:39:30,305 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 325 353) the Hoare annotation is: true [2020-07-21 10:39:30,305 INFO L264 CegarLoopResult]: At program point L335(line 335) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 10:39:30,306 INFO L268 CegarLoopResult]: For program point L335-1(line 335) no Hoare annotation was computed. [2020-07-21 10:39:30,306 INFO L268 CegarLoopResult]: For program point L333(lines 333 350) no Hoare annotation was computed. [2020-07-21 10:39:30,306 INFO L268 CegarLoopResult]: For program point L333-1(lines 325 353) no Hoare annotation was computed. [2020-07-21 10:39:30,306 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 325 353) no Hoare annotation was computed. [2020-07-21 10:39:30,306 INFO L271 CegarLoopResult]: At program point L331(line 331) the Hoare annotation is: true [2020-07-21 10:39:30,306 INFO L268 CegarLoopResult]: For program point L331-1(line 331) no Hoare annotation was computed. [2020-07-21 10:39:30,306 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 970 992) 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)|))) [2020-07-21 10:39:30,307 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 970 992) no Hoare annotation was computed. [2020-07-21 10:39:30,307 INFO L264 CegarLoopResult]: At program point L982(line 982) 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)|))) [2020-07-21 10:39:30,308 INFO L264 CegarLoopResult]: At program point L982-1(line 982) 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)|))) [2020-07-21 10:39:30,308 INFO L268 CegarLoopResult]: For program point L980(lines 980 987) no Hoare annotation was computed. [2020-07-21 10:39:30,308 INFO L268 CegarLoopResult]: For program point L980-1(lines 980 987) no Hoare annotation was computed. [2020-07-21 10:39:30,308 INFO L268 CegarLoopResult]: For program point L978(line 978) no Hoare annotation was computed. [2020-07-21 10:39:30,308 INFO L264 CegarLoopResult]: At program point L977(line 977) 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)|))) [2020-07-21 10:39:30,308 INFO L264 CegarLoopResult]: At program point L976(line 976) 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)|))) [2020-07-21 10:39:30,308 INFO L264 CegarLoopResult]: At program point L976-1(line 976) 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)|))) [2020-07-21 10:39:30,308 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 970 992) no Hoare annotation was computed. [2020-07-21 10:39:30,308 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 925 948) no Hoare annotation was computed. [2020-07-21 10:39:30,309 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 925 948) no Hoare annotation was computed. [2020-07-21 10:39:30,309 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 925 948) no Hoare annotation was computed. [2020-07-21 10:39:30,309 INFO L268 CegarLoopResult]: For program point L943(line 943) no Hoare annotation was computed. [2020-07-21 10:39:30,309 INFO L268 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2020-07-21 10:39:30,309 INFO L268 CegarLoopResult]: For program point L941(line 941) no Hoare annotation was computed. [2020-07-21 10:39:30,309 INFO L268 CegarLoopResult]: For program point L940(line 940) no Hoare annotation was computed. [2020-07-21 10:39:30,309 INFO L268 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-07-21 10:39:30,309 INFO L268 CegarLoopResult]: For program point L938(line 938) no Hoare annotation was computed. [2020-07-21 10:39:30,309 INFO L268 CegarLoopResult]: For program point L937(line 937) no Hoare annotation was computed. [2020-07-21 10:39:30,309 INFO L268 CegarLoopResult]: For program point L936(line 936) no Hoare annotation was computed. [2020-07-21 10:39:30,309 INFO L268 CegarLoopResult]: For program point L935(line 935) no Hoare annotation was computed. [2020-07-21 10:39:30,309 INFO L268 CegarLoopResult]: For program point L934(line 934) no Hoare annotation was computed. [2020-07-21 10:39:30,310 INFO L268 CegarLoopResult]: For program point L933(line 933) no Hoare annotation was computed. [2020-07-21 10:39:30,310 INFO L268 CegarLoopResult]: For program point L932(line 932) no Hoare annotation was computed. [2020-07-21 10:39:30,310 INFO L268 CegarLoopResult]: For program point L931(line 931) no Hoare annotation was computed. [2020-07-21 10:39:30,310 INFO L268 CegarLoopResult]: For program point L930(line 930) no Hoare annotation was computed. [2020-07-21 10:39:30,310 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:30,310 INFO L268 CegarLoopResult]: For program point L125(lines 125 133) no Hoare annotation was computed. [2020-07-21 10:39:30,310 INFO L264 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:30,310 INFO L268 CegarLoopResult]: For program point L123-1(line 123) no Hoare annotation was computed. [2020-07-21 10:39:30,310 INFO L268 CegarLoopResult]: For program point L121(lines 121 138) no Hoare annotation was computed. [2020-07-21 10:39:30,310 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 117 141) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |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)))) [2020-07-21 10:39:30,310 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 117 141) no Hoare annotation was computed. [2020-07-21 10:39:30,311 INFO L264 CegarLoopResult]: At program point L136(line 136) 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)))) [2020-07-21 10:39:30,311 INFO L268 CegarLoopResult]: For program point L136-1(lines 117 141) no Hoare annotation was computed. [2020-07-21 10:39:30,311 INFO L264 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:30,311 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 212 220) no Hoare annotation was computed. [2020-07-21 10:39:30,311 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 212 220) the Hoare annotation is: true [2020-07-21 10:39:30,311 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 212 220) no Hoare annotation was computed. [2020-07-21 10:39:30,311 INFO L268 CegarLoopResult]: For program point L285(lines 285 289) no Hoare annotation was computed. [2020-07-21 10:39:30,312 INFO L271 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: true [2020-07-21 10:39:30,312 INFO L268 CegarLoopResult]: For program point L285-2(lines 285 289) no Hoare annotation was computed. [2020-07-21 10:39:30,312 INFO L268 CegarLoopResult]: For program point L283-1(line 283) no Hoare annotation was computed. [2020-07-21 10:39:30,312 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 276 294) the Hoare annotation is: true [2020-07-21 10:39:30,312 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 276 294) no Hoare annotation was computed. [2020-07-21 10:39:30,312 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 276 294) no Hoare annotation was computed. [2020-07-21 10:39:30,312 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-07-21 10:39:30,312 INFO L268 CegarLoopResult]: For program point L251-1(line 251) no Hoare annotation was computed. [2020-07-21 10:39:30,312 INFO L268 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-07-21 10:39:30,312 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 221 256) no Hoare annotation was computed. [2020-07-21 10:39:30,312 INFO L268 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-07-21 10:39:30,313 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 221 256) no Hoare annotation was computed. [2020-07-21 10:39:30,313 INFO L268 CegarLoopResult]: For program point L228(lines 228 236) no Hoare annotation was computed. [2020-07-21 10:39:30,313 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 221 256) no Hoare annotation was computed. [2020-07-21 10:39:30,313 INFO L268 CegarLoopResult]: For program point L228-2(lines 228 236) no Hoare annotation was computed. [2020-07-21 10:39:30,313 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 1014 1020) no Hoare annotation was computed. [2020-07-21 10:39:30,313 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 1014 1020) the Hoare annotation is: true [2020-07-21 10:39:30,313 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 431 476) no Hoare annotation was computed. [2020-07-21 10:39:30,313 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 431 476) no Hoare annotation was computed. [2020-07-21 10:39:30,313 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 431 476) no Hoare annotation was computed. [2020-07-21 10:39:30,313 INFO L268 CegarLoopResult]: For program point L764(lines 764 771) no Hoare annotation was computed. [2020-07-21 10:39:30,313 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 744 789) no Hoare annotation was computed. [2020-07-21 10:39:30,313 INFO L268 CegarLoopResult]: For program point L758(lines 758 778) no Hoare annotation was computed. [2020-07-21 10:39:30,313 INFO L268 CegarLoopResult]: For program point L758-1(lines 758 778) no Hoare annotation was computed. [2020-07-21 10:39:30,313 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 744 789) no Hoare annotation was computed. [2020-07-21 10:39:30,314 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 744 789) no Hoare annotation was computed. [2020-07-21 10:39:30,314 INFO L264 CegarLoopResult]: At program point L961(line 961) 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)|))) [2020-07-21 10:39:30,314 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 956 966) 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)|))) [2020-07-21 10:39:30,314 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 956 966) no Hoare annotation was computed. [2020-07-21 10:39:30,314 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 956 966) no Hoare annotation was computed. [2020-07-21 10:39:30,314 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 201 211) the Hoare annotation is: true [2020-07-21 10:39:30,314 INFO L271 CegarLoopResult]: At program point L206(line 206) the Hoare annotation is: true [2020-07-21 10:39:30,314 INFO L268 CegarLoopResult]: For program point L206-1(line 206) no Hoare annotation was computed. [2020-07-21 10:39:30,314 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 201 211) no Hoare annotation was computed. [2020-07-21 10:39:30,314 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 201 211) no Hoare annotation was computed. [2020-07-21 10:39:30,315 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 193 200) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-21 10:39:30,315 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 193 200) no Hoare annotation was computed. [2020-07-21 10:39:30,315 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 193 200) no Hoare annotation was computed. [2020-07-21 10:39:30,315 INFO L268 CegarLoopResult]: For program point L874(lines 874 880) no Hoare annotation was computed. [2020-07-21 10:39:30,315 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 870 883) no Hoare annotation was computed. [2020-07-21 10:39:30,315 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 870 883) the Hoare annotation is: true [2020-07-21 10:39:30,315 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 870 883) no Hoare annotation was computed. [2020-07-21 10:39:30,315 INFO L268 CegarLoopResult]: For program point L162-1(lines 143 167) no Hoare annotation was computed. [2020-07-21 10:39:30,316 INFO L264 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:30,316 INFO L264 CegarLoopResult]: At program point L153(line 153) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:30,316 INFO L268 CegarLoopResult]: For program point L151(lines 151 159) no Hoare annotation was computed. [2020-07-21 10:39:30,316 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 143 167) no Hoare annotation was computed. [2020-07-21 10:39:30,316 INFO L264 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:30,316 INFO L268 CegarLoopResult]: For program point L149-1(line 149) no Hoare annotation was computed. [2020-07-21 10:39:30,317 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 143 167) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |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)))) [2020-07-21 10:39:30,317 INFO L268 CegarLoopResult]: For program point L147(lines 147 164) no Hoare annotation was computed. [2020-07-21 10:39:30,317 INFO L264 CegarLoopResult]: At program point L162(line 162) 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)))) [2020-07-21 10:39:30,317 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 83 89) no Hoare annotation was computed. [2020-07-21 10:39:30,317 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 83 89) the Hoare annotation is: true [2020-07-21 10:39:30,317 INFO L264 CegarLoopResult]: At program point testENTRY(lines 358 423) 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)|))) [2020-07-21 10:39:30,318 INFO L264 CegarLoopResult]: At program point L413(lines 368 415) the Hoare annotation is: (let ((.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 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:30,318 INFO L264 CegarLoopResult]: At program point L380(line 380) the Hoare annotation is: (let ((.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 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:30,318 INFO L268 CegarLoopResult]: For program point L378(lines 378 384) no Hoare annotation was computed. [2020-07-21 10:39:30,318 INFO L268 CegarLoopResult]: For program point L378-1(lines 378 384) no Hoare annotation was computed. [2020-07-21 10:39:30,318 INFO L268 CegarLoopResult]: For program point testFINAL(lines 358 423) no Hoare annotation was computed. [2020-07-21 10:39:30,318 INFO L268 CegarLoopResult]: For program point L370(lines 370 374) no Hoare annotation was computed. [2020-07-21 10:39:30,319 INFO L264 CegarLoopResult]: At program point L416(lines 367 417) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:30,319 INFO L268 CegarLoopResult]: For program point L406(lines 406 410) no Hoare annotation was computed. [2020-07-21 10:39:30,319 INFO L264 CegarLoopResult]: At program point L406-2(lines 398 411) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 10:39:30,319 INFO L268 CegarLoopResult]: For program point L369(lines 368 415) no Hoare annotation was computed. [2020-07-21 10:39:30,319 INFO L264 CegarLoopResult]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 10:39:30,319 INFO L268 CegarLoopResult]: For program point L398(lines 398 411) no Hoare annotation was computed. [2020-07-21 10:39:30,319 INFO L264 CegarLoopResult]: At program point L390(line 390) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 10:39:30,320 INFO L268 CegarLoopResult]: For program point L388(lines 388 394) no Hoare annotation was computed. [2020-07-21 10:39:30,320 INFO L268 CegarLoopResult]: For program point L388-1(lines 388 394) no Hoare annotation was computed. [2020-07-21 10:39:30,320 INFO L268 CegarLoopResult]: For program point testEXIT(lines 358 423) no Hoare annotation was computed. [2020-07-21 10:39:30,320 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 698 743) no Hoare annotation was computed. [2020-07-21 10:39:30,320 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 698 743) no Hoare annotation was computed. [2020-07-21 10:39:30,320 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 698 743) no Hoare annotation was computed. [2020-07-21 10:39:30,320 INFO L268 CegarLoopResult]: For program point L718(lines 718 725) no Hoare annotation was computed. [2020-07-21 10:39:30,320 INFO L268 CegarLoopResult]: For program point L712(lines 712 732) no Hoare annotation was computed. [2020-07-21 10:39:30,321 INFO L268 CegarLoopResult]: For program point L712-1(lines 712 732) no Hoare annotation was computed. [2020-07-21 10:39:30,321 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 168 175) 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))) [2020-07-21 10:39:30,321 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 168 175) no Hoare annotation was computed. [2020-07-21 10:39:30,321 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 168 175) no Hoare annotation was computed. [2020-07-21 10:39:30,321 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 884 892) no Hoare annotation was computed. [2020-07-21 10:39:30,321 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 884 892) the Hoare annotation is: true [2020-07-21 10:39:30,321 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 884 892) no Hoare annotation was computed. [2020-07-21 10:39:30,321 INFO L268 CegarLoopResult]: For program point L846(lines 846 854) no Hoare annotation was computed. [2020-07-21 10:39:30,322 INFO L268 CegarLoopResult]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2020-07-21 10:39:30,322 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 838 860) no Hoare annotation was computed. [2020-07-21 10:39:30,322 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 838 860) no Hoare annotation was computed. [2020-07-21 10:39:30,322 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 838 860) no Hoare annotation was computed. [2020-07-21 10:39:30,322 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 595 697) no Hoare annotation was computed. [2020-07-21 10:39:30,322 INFO L268 CegarLoopResult]: For program point L665(lines 643 666) no Hoare annotation was computed. [2020-07-21 10:39:30,322 INFO L268 CegarLoopResult]: For program point L624(lines 624 640) no Hoare annotation was computed. [2020-07-21 10:39:30,322 INFO L268 CegarLoopResult]: For program point L684(lines 684 691) no Hoare annotation was computed. [2020-07-21 10:39:30,322 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 595 697) no Hoare annotation was computed. [2020-07-21 10:39:30,323 INFO L268 CegarLoopResult]: For program point L645(lines 644 664) no Hoare annotation was computed. [2020-07-21 10:39:30,323 INFO L268 CegarLoopResult]: For program point L676(line 676) no Hoare annotation was computed. [2020-07-21 10:39:30,323 INFO L268 CegarLoopResult]: For program point L676-1(line 676) no Hoare annotation was computed. [2020-07-21 10:39:30,323 INFO L268 CegarLoopResult]: For program point L641(lines 641 682) no Hoare annotation was computed. [2020-07-21 10:39:30,323 INFO L268 CegarLoopResult]: For program point L660(line 660) no Hoare annotation was computed. [2020-07-21 10:39:30,323 INFO L268 CegarLoopResult]: For program point L660-1(line 660) no Hoare annotation was computed. [2020-07-21 10:39:30,323 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 595 697) no Hoare annotation was computed. [2020-07-21 10:39:30,323 INFO L268 CegarLoopResult]: For program point L619(lines 619 623) no Hoare annotation was computed. [2020-07-21 10:39:30,324 INFO L268 CegarLoopResult]: For program point L683(lines 683 694) no Hoare annotation was computed. [2020-07-21 10:39:30,324 INFO L268 CegarLoopResult]: For program point L646(lines 646 650) no Hoare annotation was computed. [2020-07-21 10:39:30,324 INFO L268 CegarLoopResult]: For program point L644-2(lines 644 664) no Hoare annotation was computed. [2020-07-21 10:39:30,324 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 1004 1013) no Hoare annotation was computed. [2020-07-21 10:39:30,324 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 1004 1013) no Hoare annotation was computed. [2020-07-21 10:39:30,324 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 1004 1013) no Hoare annotation was computed. [2020-07-21 10:39:30,324 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:30,324 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-21 10:39:30,325 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:30,325 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 176 192) no Hoare annotation was computed. [2020-07-21 10:39:30,325 INFO L264 CegarLoopResult]: At program point L187(line 187) 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))) [2020-07-21 10:39:30,325 INFO L268 CegarLoopResult]: For program point L187-1(lines 176 192) no Hoare annotation was computed. [2020-07-21 10:39:30,325 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 176 192) 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))) [2020-07-21 10:39:30,325 INFO L268 CegarLoopResult]: For program point L183(lines 183 189) no Hoare annotation was computed. [2020-07-21 10:39:30,325 INFO L264 CegarLoopResult]: At program point L181(line 181) 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))) [2020-07-21 10:39:30,326 INFO L268 CegarLoopResult]: For program point L181-1(line 181) no Hoare annotation was computed. [2020-07-21 10:39:30,326 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 257 275) no Hoare annotation was computed. [2020-07-21 10:39:30,326 INFO L268 CegarLoopResult]: For program point L266(lines 266 270) no Hoare annotation was computed. [2020-07-21 10:39:30,326 INFO L271 CegarLoopResult]: At program point L264(line 264) the Hoare annotation is: true [2020-07-21 10:39:30,326 INFO L268 CegarLoopResult]: For program point L266-2(lines 266 270) no Hoare annotation was computed. [2020-07-21 10:39:30,326 INFO L268 CegarLoopResult]: For program point L264-1(line 264) no Hoare annotation was computed. [2020-07-21 10:39:30,326 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 257 275) the Hoare annotation is: true [2020-07-21 10:39:30,326 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 257 275) no Hoare annotation was computed. [2020-07-21 10:39:30,326 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2020-07-21 10:39:30,327 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2020-07-21 10:39:30,327 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2020-07-21 10:39:30,327 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: true [2020-07-21 10:39:30,327 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2020-07-21 10:39:30,327 INFO L268 CegarLoopResult]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2020-07-21 10:39:30,327 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:30,327 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:39:30,327 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:30,328 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2020-07-21 10:39:30,328 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2020-07-21 10:39:30,328 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2020-07-21 10:39:30,328 INFO L264 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse0 .cse4) (or .cse0 .cse4 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 10:39:30,328 INFO L268 CegarLoopResult]: For program point L63(lines 59 81) no Hoare annotation was computed. [2020-07-21 10:39:30,328 INFO L268 CegarLoopResult]: For program point L61(lines 59 81) no Hoare annotation was computed. [2020-07-21 10:39:30,329 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 56 82) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2020-07-21 10:39:30,329 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 56 82) no Hoare annotation was computed. [2020-07-21 10:39:30,329 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (and .cse4 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse5 .cse6 .cse2) (or .cse0 .cse5 .cse6 .cse2 .cse3)))) [2020-07-21 10:39:30,329 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 56 82) no Hoare annotation was computed. [2020-07-21 10:39:30,329 INFO L264 CegarLoopResult]: At program point L70(lines 70 76) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (<= ~waterLevel~0 1)) (.cse11 (<= 1 ~pumpRunning~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse12 .cse11)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (and .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse12)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse5 .cse6 .cse7) (or .cse1 .cse5 .cse6 .cse7 .cse8 .cse9) (let ((.cse10 (<= 2 ~waterLevel~0))) (or .cse1 (and .cse10 .cse3 .cse4) .cse2 (and .cse10 .cse3 .cse11) .cse8 .cse9))))) [2020-07-21 10:39:30,329 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 895 924) no Hoare annotation was computed. [2020-07-21 10:39:30,330 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 895 924) the Hoare annotation is: true [2020-07-21 10:39:30,330 INFO L271 CegarLoopResult]: At program point L920(lines 895 924) the Hoare annotation is: true [2020-07-21 10:39:30,330 INFO L268 CegarLoopResult]: For program point L916(line 916) no Hoare annotation was computed. [2020-07-21 10:39:30,330 INFO L268 CegarLoopResult]: For program point L909(lines 909 913) no Hoare annotation was computed. [2020-07-21 10:39:30,330 INFO L271 CegarLoopResult]: At program point L909-1(lines 909 913) the Hoare annotation is: true [2020-07-21 10:39:30,330 INFO L268 CegarLoopResult]: For program point L906(line 906) no Hoare annotation was computed. [2020-07-21 10:39:30,330 INFO L271 CegarLoopResult]: At program point L905-2(lines 905 919) the Hoare annotation is: true [2020-07-21 10:39:30,330 INFO L271 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: true [2020-07-21 10:39:30,330 INFO L268 CegarLoopResult]: For program point L901-1(line 901) no Hoare annotation was computed. [2020-07-21 10:39:30,331 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 793 804) 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)|))))) [2020-07-21 10:39:30,331 INFO L268 CegarLoopResult]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2020-07-21 10:39:30,331 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2020-07-21 10:39:30,331 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 949 955) no Hoare annotation was computed. [2020-07-21 10:39:30,331 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 949 955) the Hoare annotation is: true [2020-07-21 10:39:30,331 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:30,331 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 10:39:30,331 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:39:30,332 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:30,332 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 295 302) no Hoare annotation was computed. [2020-07-21 10:39:30,332 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 295 302) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 |old(~systemActive~0)|))) (.cse2 (<= 1 ~systemActive~0))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse3 .cse2))) [2020-07-21 10:39:30,332 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 295 302) no Hoare annotation was computed. [2020-07-21 10:39:30,332 INFO L264 CegarLoopResult]: At program point L97(line 97) 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)))) [2020-07-21 10:39:30,332 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 91 115) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |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)))) [2020-07-21 10:39:30,332 INFO L268 CegarLoopResult]: For program point L97-1(line 97) no Hoare annotation was computed. [2020-07-21 10:39:30,333 INFO L268 CegarLoopResult]: For program point L95(lines 95 112) no Hoare annotation was computed. [2020-07-21 10:39:30,333 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 91 115) no Hoare annotation was computed. [2020-07-21 10:39:30,333 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:30,333 INFO L268 CegarLoopResult]: For program point L110-1(lines 91 115) no Hoare annotation was computed. [2020-07-21 10:39:30,333 INFO L264 CegarLoopResult]: At program point L105(line 105) 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 (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:30,333 INFO L264 CegarLoopResult]: At program point L101(line 101) 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)|))))) [2020-07-21 10:39:30,333 INFO L268 CegarLoopResult]: For program point L99(lines 99 107) no Hoare annotation was computed. [2020-07-21 10:39:30,334 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2020-07-21 10:39:30,334 INFO L268 CegarLoopResult]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2020-07-21 10:39:30,334 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3))) [2020-07-21 10:39:30,334 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 994 1001) no Hoare annotation was computed. [2020-07-21 10:39:30,334 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 998) no Hoare annotation was computed. [2020-07-21 10:39:30,334 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 994 1001) the Hoare annotation is: true [2020-07-21 10:39:30,334 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 994 1001) no Hoare annotation was computed. [2020-07-21 10:39:30,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:39:30 BoogieIcfgContainer [2020-07-21 10:39:30,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:39:30,356 INFO L168 Benchmark]: Toolchain (without parser) took 16119.00 ms. Allocated memory was 136.8 MB in the beginning and 427.3 MB in the end (delta: 290.5 MB). Free memory was 100.5 MB in the beginning and 376.9 MB in the end (delta: -276.4 MB). Peak memory consumption was 309.5 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:30,357 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 10:39:30,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.73 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 100.3 MB in the beginning and 170.0 MB in the end (delta: -69.7 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:30,359 INFO L168 Benchmark]: Boogie Preprocessor took 91.05 ms. Allocated memory is still 201.9 MB. Free memory was 170.0 MB in the beginning and 165.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:30,360 INFO L168 Benchmark]: RCFGBuilder took 1152.84 ms. Allocated memory was 201.9 MB in the beginning and 231.7 MB in the end (delta: 29.9 MB). Free memory was 165.7 MB in the beginning and 192.1 MB in the end (delta: -26.3 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:30,361 INFO L168 Benchmark]: TraceAbstraction took 14170.67 ms. Allocated memory was 231.7 MB in the beginning and 427.3 MB in the end (delta: 195.6 MB). Free memory was 190.6 MB in the beginning and 376.9 MB in the end (delta: -186.3 MB). Peak memory consumption was 304.7 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:30,364 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 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 693.73 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 100.3 MB in the beginning and 170.0 MB in the end (delta: -69.7 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.05 ms. Allocated memory is still 201.9 MB. Free memory was 170.0 MB in the beginning and 165.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1152.84 ms. Allocated memory was 201.9 MB in the beginning and 231.7 MB in the end (delta: 29.9 MB). Free memory was 165.7 MB in the beginning and 192.1 MB in the end (delta: -26.3 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14170.67 ms. Allocated memory was 231.7 MB in the beginning and 427.3 MB in the end (delta: 195.6 MB). Free memory was 190.6 MB in the beginning and 376.9 MB in the end (delta: -186.3 MB). Peak memory consumption was 304.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 998]: 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: 367]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 368]: 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))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 266 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.9s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1937 SDtfs, 1326 SDslu, 3158 SDs, 0 SdLazy, 2128 SolverSat, 571 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1130 GetRequests, 1069 SyntacticMatches, 6 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=570occurred 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: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 201 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 1201 PreInvPairs, 1285 NumberOfFragments, 1939 HoareAnnotationTreeSize, 1201 FomulaSimplifications, 1396 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 74 FomulaSimplificationsInter, 8370 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 918 NumberOfCodeBlocks, 918 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1103 ConstructedInterpolants, 0 QuantifiedInterpolants, 279457 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7220 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 108/134 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...