/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_spec2_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:41:34,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:41:34,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:41:34,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:41:34,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:41:34,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:41:34,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:41:34,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:41:34,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:41:34,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:41:34,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:41:34,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:41:34,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:41:34,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:41:34,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:41:34,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:41:34,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:41:34,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:41:34,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:41:34,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:41:34,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:41:34,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:41:34,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:41:34,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:41:34,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:41:34,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:41:34,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:41:34,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:41:34,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:41:34,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:41:34,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:41:34,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:41:34,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:41:34,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:41:34,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:41:34,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:41:34,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:41:34,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:41:34,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:41:34,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:41:34,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:41:34,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 10:41:34,990 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:41:34,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:41:34,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:41:34,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:41:34,992 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:41:34,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:41:34,993 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:41:34,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:41:34,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:41:34,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:41:34,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:41:34,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:41:34,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:41:34,994 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:41:34,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:41:34,994 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:41:34,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:41:34,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:41:34,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:41:34,995 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:41:34,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:41:34,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:41:34,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:41:34,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:41:34,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:41:34,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:41:34,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:34,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:41:34,997 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:41:34,997 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 10:41:35,265 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:41:35,278 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:41:35,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:41:35,283 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:41:35,284 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:41:35,285 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2020-07-20 10:41:35,349 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c70d55d6/033b1363f2dd4fa7847213eee9bb4487/FLAG87882a298 [2020-07-20 10:41:35,805 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:41:35,806 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2020-07-20 10:41:35,820 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c70d55d6/033b1363f2dd4fa7847213eee9bb4487/FLAG87882a298 [2020-07-20 10:41:36,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c70d55d6/033b1363f2dd4fa7847213eee9bb4487 [2020-07-20 10:41:36,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:41:36,146 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:41:36,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:41:36,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:41:36,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:41:36,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:41:36" (1/1) ... [2020-07-20 10:41:36,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58de0aa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:36, skipping insertion in model container [2020-07-20 10:41:36,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:41:36" (1/1) ... [2020-07-20 10:41:36,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:41:36,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:41:36,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:41:36,678 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:41:36,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:41:36,874 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:41:36,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:36 WrapperNode [2020-07-20 10:41:36,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:41:36,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:41:36,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:41:36,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:41:36,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:36" (1/1) ... [2020-07-20 10:41:36,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:36" (1/1) ... [2020-07-20 10:41:36,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:36" (1/1) ... [2020-07-20 10:41:36,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:36" (1/1) ... [2020-07-20 10:41:36,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:36" (1/1) ... [2020-07-20 10:41:36,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:36" (1/1) ... [2020-07-20 10:41:36,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:36" (1/1) ... [2020-07-20 10:41:36,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:41:36,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:41:36,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:41:36,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:41:36,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:41:37,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:41:37,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:41:37,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:41:37,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:41:37,051 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:41:37,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:41:37,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:41:37,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:41:37,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:41:37,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:41:37,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:41:37,052 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:41:37,053 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:41:37,053 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:41:37,053 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 10:41:37,053 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:41:37,053 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:41:37,053 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:41:37,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:41:37,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:41:37,054 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:41:37,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:41:37,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 10:41:37,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 10:41:37,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 10:41:37,055 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:41:37,055 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:41:37,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:41:37,055 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:41:37,055 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:41:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:41:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:41:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:41:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:41:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:41:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:41:37,056 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:41:37,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 10:41:37,057 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:41:37,057 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:41:37,057 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:41:37,057 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:41:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:41:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:41:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:41:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:41:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:41:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:41:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:41:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:41:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:41:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:41:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:41:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:41:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:41:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:41:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:41:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:41:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:41:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:41:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:41:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:41:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:41:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:41:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:41:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:41:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:41:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:41:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:41:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:41:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:41:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:41:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 10:41:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:41:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:41:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:41:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:41:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 10:41:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:41:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:41:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:41:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:41:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 10:41:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 10:41:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:41:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 10:41:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:41:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:41:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:41:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:41:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:41:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:41:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:41:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:41:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:41:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:41:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:41:37,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:41:38,140 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:41:38,140 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:41:38,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:41:38 BoogieIcfgContainer [2020-07-20 10:41:38,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:41:38,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:41:38,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:41:38,152 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:41:38,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:41:36" (1/3) ... [2020-07-20 10:41:38,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b34672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:41:38, skipping insertion in model container [2020-07-20 10:41:38,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:36" (2/3) ... [2020-07-20 10:41:38,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b34672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:41:38, skipping insertion in model container [2020-07-20 10:41:38,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:41:38" (3/3) ... [2020-07-20 10:41:38,156 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53.cil.c [2020-07-20 10:41:38,168 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:41:38,176 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:41:38,192 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:41:38,218 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:41:38,218 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:41:38,218 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:41:38,218 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:41:38,219 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:41:38,219 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:41:38,219 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:41:38,219 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:41:38,244 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2020-07-20 10:41:38,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 10:41:38,255 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:38,256 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:38,257 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:38,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:38,264 INFO L82 PathProgramCache]: Analyzing trace with hash 805370938, now seen corresponding path program 1 times [2020-07-20 10:41:38,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:38,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1471532249] [2020-07-20 10:41:38,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:38,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:41:38,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:38,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:38,563 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:38,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1471532249] [2020-07-20 10:41:38,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:38,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:41:38,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228877322] [2020-07-20 10:41:38,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:41:38,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:38,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:41:38,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:41:38,588 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 2 states. [2020-07-20 10:41:38,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:38,637 INFO L93 Difference]: Finished difference Result 292 states and 365 transitions. [2020-07-20 10:41:38,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:41:38,639 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 10:41:38,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:38,654 INFO L225 Difference]: With dead ends: 292 [2020-07-20 10:41:38,654 INFO L226 Difference]: Without dead ends: 148 [2020-07-20 10:41:38,660 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:41:38,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-20 10:41:38,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-07-20 10:41:38,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-20 10:41:38,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 176 transitions. [2020-07-20 10:41:38,725 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 176 transitions. Word has length 51 [2020-07-20 10:41:38,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:38,726 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 176 transitions. [2020-07-20 10:41:38,726 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:41:38,726 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 176 transitions. [2020-07-20 10:41:38,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 10:41:38,730 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:38,730 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:38,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:38,946 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:38,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:38,947 INFO L82 PathProgramCache]: Analyzing trace with hash -239223915, now seen corresponding path program 1 times [2020-07-20 10:41:38,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:38,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [939651187] [2020-07-20 10:41:38,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:39,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:41:39,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:39,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:39,232 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:39,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [939651187] [2020-07-20 10:41:39,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:39,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:39,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438669904] [2020-07-20 10:41:39,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:39,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:39,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:39,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:39,236 INFO L87 Difference]: Start difference. First operand 148 states and 176 transitions. Second operand 3 states. [2020-07-20 10:41:39,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:39,274 INFO L93 Difference]: Finished difference Result 268 states and 327 transitions. [2020-07-20 10:41:39,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:39,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 10:41:39,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:39,278 INFO L225 Difference]: With dead ends: 268 [2020-07-20 10:41:39,279 INFO L226 Difference]: Without dead ends: 148 [2020-07-20 10:41:39,281 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:39,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-20 10:41:39,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-07-20 10:41:39,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-20 10:41:39,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 175 transitions. [2020-07-20 10:41:39,306 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 175 transitions. Word has length 52 [2020-07-20 10:41:39,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:39,310 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 175 transitions. [2020-07-20 10:41:39,310 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:39,310 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 175 transitions. [2020-07-20 10:41:39,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 10:41:39,317 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:39,317 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:39,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:39,518 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:39,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:39,519 INFO L82 PathProgramCache]: Analyzing trace with hash 828279611, now seen corresponding path program 1 times [2020-07-20 10:41:39,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:39,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1822456682] [2020-07-20 10:41:39,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:39,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:41:39,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:39,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:39,768 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:39,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1822456682] [2020-07-20 10:41:39,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:39,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:39,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476428850] [2020-07-20 10:41:39,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:39,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:39,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:39,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:39,772 INFO L87 Difference]: Start difference. First operand 148 states and 175 transitions. Second operand 3 states. [2020-07-20 10:41:39,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:39,804 INFO L93 Difference]: Finished difference Result 241 states and 285 transitions. [2020-07-20 10:41:39,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:39,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-07-20 10:41:39,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:39,811 INFO L225 Difference]: With dead ends: 241 [2020-07-20 10:41:39,811 INFO L226 Difference]: Without dead ends: 139 [2020-07-20 10:41:39,813 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:39,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-20 10:41:39,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2020-07-20 10:41:39,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-07-20 10:41:39,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 163 transitions. [2020-07-20 10:41:39,842 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 163 transitions. Word has length 70 [2020-07-20 10:41:39,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:39,843 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 163 transitions. [2020-07-20 10:41:39,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:39,843 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 163 transitions. [2020-07-20 10:41:39,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-20 10:41:39,850 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:39,850 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:40,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:40,065 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:40,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:40,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1519881096, now seen corresponding path program 1 times [2020-07-20 10:41:40,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:40,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [345266967] [2020-07-20 10:41:40,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:40,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:41:40,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:40,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:40,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:40,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [345266967] [2020-07-20 10:41:40,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:40,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:40,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480989260] [2020-07-20 10:41:40,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:40,280 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:40,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:40,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:40,281 INFO L87 Difference]: Start difference. First operand 139 states and 163 transitions. Second operand 3 states. [2020-07-20 10:41:40,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:40,325 INFO L93 Difference]: Finished difference Result 250 states and 302 transitions. [2020-07-20 10:41:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:40,326 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-07-20 10:41:40,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:40,330 INFO L225 Difference]: With dead ends: 250 [2020-07-20 10:41:40,330 INFO L226 Difference]: Without dead ends: 247 [2020-07-20 10:41:40,331 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:40,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-07-20 10:41:40,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2020-07-20 10:41:40,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-07-20 10:41:40,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 299 transitions. [2020-07-20 10:41:40,358 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 299 transitions. Word has length 74 [2020-07-20 10:41:40,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:40,359 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 299 transitions. [2020-07-20 10:41:40,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:40,359 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 299 transitions. [2020-07-20 10:41:40,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-07-20 10:41:40,362 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:40,362 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 10:41:40,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:40,577 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:40,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:40,577 INFO L82 PathProgramCache]: Analyzing trace with hash -559464710, now seen corresponding path program 1 times [2020-07-20 10:41:40,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:40,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1892318714] [2020-07-20 10:41:40,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:40,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:41:40,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:40,810 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-20 10:41:40,810 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:40,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1892318714] [2020-07-20 10:41:40,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:40,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 10:41:40,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9948723] [2020-07-20 10:41:40,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 10:41:40,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:40,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 10:41:40,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:41:40,813 INFO L87 Difference]: Start difference. First operand 247 states and 299 transitions. Second operand 7 states. [2020-07-20 10:41:41,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:41,587 INFO L93 Difference]: Finished difference Result 595 states and 773 transitions. [2020-07-20 10:41:41,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 10:41:41,588 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 122 [2020-07-20 10:41:41,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:41,593 INFO L225 Difference]: With dead ends: 595 [2020-07-20 10:41:41,593 INFO L226 Difference]: Without dead ends: 376 [2020-07-20 10:41:41,595 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-20 10:41:41,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-07-20 10:41:41,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 345. [2020-07-20 10:41:41,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2020-07-20 10:41:41,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 422 transitions. [2020-07-20 10:41:41,632 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 422 transitions. Word has length 122 [2020-07-20 10:41:41,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:41,633 INFO L479 AbstractCegarLoop]: Abstraction has 345 states and 422 transitions. [2020-07-20 10:41:41,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 10:41:41,633 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 422 transitions. [2020-07-20 10:41:41,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-20 10:41:41,636 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:41,636 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, 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] [2020-07-20 10:41:41,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:41,850 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:41,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:41,851 INFO L82 PathProgramCache]: Analyzing trace with hash 695171237, now seen corresponding path program 1 times [2020-07-20 10:41:41,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:41,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [57704793] [2020-07-20 10:41:41,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:42,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 10:41:42,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:42,113 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 10:41:42,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:41:42,365 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:41:42,407 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:41:42,544 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-07-20 10:41:42,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [57704793] [2020-07-20 10:41:42,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 10:41:42,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2020-07-20 10:41:42,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678634702] [2020-07-20 10:41:42,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 10:41:42,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:42,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 10:41:42,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:41:42,550 INFO L87 Difference]: Start difference. First operand 345 states and 422 transitions. Second operand 5 states. [2020-07-20 10:41:43,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:43,068 INFO L93 Difference]: Finished difference Result 912 states and 1219 transitions. [2020-07-20 10:41:43,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:41:43,069 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-07-20 10:41:43,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:43,080 INFO L225 Difference]: With dead ends: 912 [2020-07-20 10:41:43,080 INFO L226 Difference]: Without dead ends: 595 [2020-07-20 10:41:43,083 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 321 SyntacticMatches, 7 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:43,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2020-07-20 10:41:43,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 574. [2020-07-20 10:41:43,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 574 states. [2020-07-20 10:41:43,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 767 transitions. [2020-07-20 10:41:43,147 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 767 transitions. Word has length 167 [2020-07-20 10:41:43,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:43,148 INFO L479 AbstractCegarLoop]: Abstraction has 574 states and 767 transitions. [2020-07-20 10:41:43,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 10:41:43,148 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 767 transitions. [2020-07-20 10:41:43,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-20 10:41:43,151 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:43,152 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, 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] [2020-07-20 10:41:43,366 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:43,367 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:43,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:43,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1583850460, now seen corresponding path program 1 times [2020-07-20 10:41:43,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:43,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1226510506] [2020-07-20 10:41:43,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:43,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:41:43,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:43,678 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 52 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 10:41:43,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:41:43,931 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:41:43,967 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:41:44,060 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-07-20 10:41:44,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1226510506] [2020-07-20 10:41:44,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 10:41:44,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 10 [2020-07-20 10:41:44,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285257395] [2020-07-20 10:41:44,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 10:41:44,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:44,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 10:41:44,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:41:44,064 INFO L87 Difference]: Start difference. First operand 574 states and 767 transitions. Second operand 7 states. [2020-07-20 10:41:44,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:44,639 INFO L93 Difference]: Finished difference Result 1451 states and 2114 transitions. [2020-07-20 10:41:44,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:41:44,642 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 167 [2020-07-20 10:41:44,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:44,653 INFO L225 Difference]: With dead ends: 1451 [2020-07-20 10:41:44,653 INFO L226 Difference]: Without dead ends: 905 [2020-07-20 10:41:44,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 319 SyntacticMatches, 7 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-07-20 10:41:44,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2020-07-20 10:41:44,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 890. [2020-07-20 10:41:44,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2020-07-20 10:41:44,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1212 transitions. [2020-07-20 10:41:44,736 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1212 transitions. Word has length 167 [2020-07-20 10:41:44,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:44,737 INFO L479 AbstractCegarLoop]: Abstraction has 890 states and 1212 transitions. [2020-07-20 10:41:44,737 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 10:41:44,737 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1212 transitions. [2020-07-20 10:41:44,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-20 10:41:44,742 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:44,743 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 10:41:44,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:44,956 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:44,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:44,956 INFO L82 PathProgramCache]: Analyzing trace with hash 2035469564, now seen corresponding path program 1 times [2020-07-20 10:41:44,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:44,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [441696169] [2020-07-20 10:41:44,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:45,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 10:41:45,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:45,197 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:45,197 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:45,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [441696169] [2020-07-20 10:41:45,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:45,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:45,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539683687] [2020-07-20 10:41:45,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:45,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:45,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:45,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:45,199 INFO L87 Difference]: Start difference. First operand 890 states and 1212 transitions. Second operand 3 states. [2020-07-20 10:41:45,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:45,334 INFO L93 Difference]: Finished difference Result 1562 states and 2196 transitions. [2020-07-20 10:41:45,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:45,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2020-07-20 10:41:45,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:45,340 INFO L225 Difference]: With dead ends: 1562 [2020-07-20 10:41:45,340 INFO L226 Difference]: Without dead ends: 700 [2020-07-20 10:41:45,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:45,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2020-07-20 10:41:45,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 634. [2020-07-20 10:41:45,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-07-20 10:41:45,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 782 transitions. [2020-07-20 10:41:45,396 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 782 transitions. Word has length 156 [2020-07-20 10:41:45,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:45,397 INFO L479 AbstractCegarLoop]: Abstraction has 634 states and 782 transitions. [2020-07-20 10:41:45,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:45,397 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 782 transitions. [2020-07-20 10:41:45,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-07-20 10:41:45,402 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:45,402 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:45,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:45,617 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:45,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:45,618 INFO L82 PathProgramCache]: Analyzing trace with hash -693206111, now seen corresponding path program 1 times [2020-07-20 10:41:45,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:45,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1992996977] [2020-07-20 10:41:45,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:45,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 10:41:45,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:45,895 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-07-20 10:41:45,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:41:46,126 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-07-20 10:41:46,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1992996977] [2020-07-20 10:41:46,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 10:41:46,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2020-07-20 10:41:46,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270982581] [2020-07-20 10:41:46,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:41:46,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:46,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:41:46,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:41:46,129 INFO L87 Difference]: Start difference. First operand 634 states and 782 transitions. Second operand 6 states. [2020-07-20 10:41:46,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:46,394 INFO L93 Difference]: Finished difference Result 1761 states and 2260 transitions. [2020-07-20 10:41:46,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:41:46,395 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2020-07-20 10:41:46,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:46,405 INFO L225 Difference]: With dead ends: 1761 [2020-07-20 10:41:46,406 INFO L226 Difference]: Without dead ends: 1155 [2020-07-20 10:41:46,409 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 325 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-20 10:41:46,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2020-07-20 10:41:46,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1065. [2020-07-20 10:41:46,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1065 states. [2020-07-20 10:41:46,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1310 transitions. [2020-07-20 10:41:46,492 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1310 transitions. Word has length 165 [2020-07-20 10:41:46,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:46,493 INFO L479 AbstractCegarLoop]: Abstraction has 1065 states and 1310 transitions. [2020-07-20 10:41:46,493 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:41:46,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1310 transitions. [2020-07-20 10:41:46,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-07-20 10:41:46,498 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:46,499 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:46,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:46,714 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:46,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:46,716 INFO L82 PathProgramCache]: Analyzing trace with hash 921324741, now seen corresponding path program 1 times [2020-07-20 10:41:46,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:46,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [609237322] [2020-07-20 10:41:46,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:47,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 10:41:47,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:47,172 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 10:41:47,173 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:47,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [609237322] [2020-07-20 10:41:47,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:47,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 10:41:47,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339274215] [2020-07-20 10:41:47,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 10:41:47,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:47,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 10:41:47,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:47,175 INFO L87 Difference]: Start difference. First operand 1065 states and 1310 transitions. Second operand 8 states. [2020-07-20 10:41:47,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:47,534 INFO L93 Difference]: Finished difference Result 2010 states and 2501 transitions. [2020-07-20 10:41:47,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:41:47,535 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 169 [2020-07-20 10:41:47,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:47,540 INFO L225 Difference]: With dead ends: 2010 [2020-07-20 10:41:47,540 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:41:47,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 161 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:47,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:41:47,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:41:47,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:41:47,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:41:47,549 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2020-07-20 10:41:47,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:47,549 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:41:47,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 10:41:47,550 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:41:47,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:41:47,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:47,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:41:49,368 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 33 [2020-07-20 10:41:49,638 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 41 [2020-07-20 10:41:49,819 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2020-07-20 10:41:50,022 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 27 [2020-07-20 10:41:50,141 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2020-07-20 10:41:50,418 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 32 [2020-07-20 10:41:50,529 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2020-07-20 10:41:50,772 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-07-20 10:41:50,957 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 38 [2020-07-20 10:41:51,594 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 58 [2020-07-20 10:41:52,130 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 59 [2020-07-20 10:41:52,296 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2020-07-20 10:41:52,730 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 32 [2020-07-20 10:41:52,922 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 25 [2020-07-20 10:41:53,045 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2020-07-20 10:41:53,227 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 35 [2020-07-20 10:41:53,629 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 48 [2020-07-20 10:41:53,775 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2020-07-20 10:41:53,993 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 32 [2020-07-20 10:41:54,215 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 30 [2020-07-20 10:41:54,533 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 30 [2020-07-20 10:41:54,712 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 28 [2020-07-20 10:41:54,946 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 30 [2020-07-20 10:41:55,149 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 31 [2020-07-20 10:41:55,546 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 30 [2020-07-20 10:41:55,810 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-07-20 10:41:56,521 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 53 [2020-07-20 10:41:56,801 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-07-20 10:41:57,041 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 31 [2020-07-20 10:41:57,436 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2020-07-20 10:41:57,609 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 27 [2020-07-20 10:41:57,655 INFO L268 CegarLoopResult]: For program point L195-2(lines 195 216) no Hoare annotation was computed. [2020-07-20 10:41:57,655 INFO L268 CegarLoopResult]: For program point L217(lines 194 218) no Hoare annotation was computed. [2020-07-20 10:41:57,655 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 170 225) no Hoare annotation was computed. [2020-07-20 10:41:57,655 INFO L268 CegarLoopResult]: For program point L201(lines 201 205) no Hoare annotation was computed. [2020-07-20 10:41:57,656 INFO L268 CegarLoopResult]: For program point L201-1(lines 201 205) no Hoare annotation was computed. [2020-07-20 10:41:57,656 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 170 225) no Hoare annotation was computed. [2020-07-20 10:41:57,656 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 10:41:57,656 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 170 225) no Hoare annotation was computed. [2020-07-20 10:41:57,656 INFO L268 CegarLoopResult]: For program point L258-1(lines 258 262) no Hoare annotation was computed. [2020-07-20 10:41:57,656 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-07-20 10:41:57,657 INFO L268 CegarLoopResult]: For program point L252-2(lines 252 277) no Hoare annotation was computed. [2020-07-20 10:41:57,657 INFO L268 CegarLoopResult]: For program point L278(lines 251 279) no Hoare annotation was computed. [2020-07-20 10:41:57,657 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 226 285) no Hoare annotation was computed. [2020-07-20 10:41:57,657 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-07-20 10:41:57,657 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 226 285) no Hoare annotation was computed. [2020-07-20 10:41:57,658 INFO L268 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-07-20 10:41:57,658 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 226 285) no Hoare annotation was computed. [2020-07-20 10:41:57,658 INFO L268 CegarLoopResult]: For program point L258(lines 258 262) no Hoare annotation was computed. [2020-07-20 10:41:57,658 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 978 984) the Hoare annotation is: true [2020-07-20 10:41:57,658 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 978 984) no Hoare annotation was computed. [2020-07-20 10:41:57,658 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 985 993) no Hoare annotation was computed. [2020-07-20 10:41:57,658 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 985 993) the Hoare annotation is: true [2020-07-20 10:41:57,659 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 985 993) no Hoare annotation was computed. [2020-07-20 10:41:57,659 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 832 854) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:41:57,659 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 832 854) no Hoare annotation was computed. [2020-07-20 10:41:57,659 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 832 854) no Hoare annotation was computed. [2020-07-20 10:41:57,659 INFO L264 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:41:57,660 INFO L264 CegarLoopResult]: At program point L844-1(line 844) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:41:57,660 INFO L268 CegarLoopResult]: For program point L842(lines 842 849) no Hoare annotation was computed. [2020-07-20 10:41:57,660 INFO L268 CegarLoopResult]: For program point L842-1(lines 842 849) no Hoare annotation was computed. [2020-07-20 10:41:57,660 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-07-20 10:41:57,660 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:41:57,660 INFO L264 CegarLoopResult]: At program point L838(line 838) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:41:57,661 INFO L264 CegarLoopResult]: At program point L838-1(line 838) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:41:57,661 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-20 10:41:57,661 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-07-20 10:41:57,661 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 787 810) no Hoare annotation was computed. [2020-07-20 10:41:57,661 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-07-20 10:41:57,661 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-07-20 10:41:57,661 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-07-20 10:41:57,661 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 787 810) no Hoare annotation was computed. [2020-07-20 10:41:57,662 INFO L268 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-07-20 10:41:57,662 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 787 810) no Hoare annotation was computed. [2020-07-20 10:41:57,662 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-07-20 10:41:57,662 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-07-20 10:41:57,662 INFO L268 CegarLoopResult]: For program point L793(line 793) no Hoare annotation was computed. [2020-07-20 10:41:57,662 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-07-20 10:41:57,662 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-07-20 10:41:57,663 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-07-20 10:41:57,663 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-07-20 10:41:57,663 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-07-20 10:41:57,663 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2020-07-20 10:41:57,663 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2020-07-20 10:41:57,663 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2020-07-20 10:41:57,663 INFO L271 CegarLoopResult]: At program point L704(line 704) the Hoare annotation is: true [2020-07-20 10:41:57,664 INFO L268 CegarLoopResult]: For program point L706-2(lines 706 710) no Hoare annotation was computed. [2020-07-20 10:41:57,664 INFO L268 CegarLoopResult]: For program point L704-1(line 704) no Hoare annotation was computed. [2020-07-20 10:41:57,664 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 697 715) the Hoare annotation is: true [2020-07-20 10:41:57,664 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 697 715) no Hoare annotation was computed. [2020-07-20 10:41:57,664 INFO L268 CegarLoopResult]: For program point L706(lines 706 710) no Hoare annotation was computed. [2020-07-20 10:41:57,664 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 697 715) no Hoare annotation was computed. [2020-07-20 10:41:57,664 INFO L268 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-07-20 10:41:57,664 INFO L268 CegarLoopResult]: For program point L672-1(line 672) no Hoare annotation was computed. [2020-07-20 10:41:57,665 INFO L268 CegarLoopResult]: For program point L661(lines 661 669) no Hoare annotation was computed. [2020-07-20 10:41:57,665 INFO L268 CegarLoopResult]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2020-07-20 10:41:57,665 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 642 677) no Hoare annotation was computed. [2020-07-20 10:41:57,665 INFO L268 CegarLoopResult]: For program point L649(lines 649 657) no Hoare annotation was computed. [2020-07-20 10:41:57,665 INFO L268 CegarLoopResult]: For program point L649-2(lines 649 657) no Hoare annotation was computed. [2020-07-20 10:41:57,665 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 642 677) no Hoare annotation was computed. [2020-07-20 10:41:57,665 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 642 677) no Hoare annotation was computed. [2020-07-20 10:41:57,665 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 971 977) no Hoare annotation was computed. [2020-07-20 10:41:57,665 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 971 977) the Hoare annotation is: true [2020-07-20 10:41:57,666 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 124 169) no Hoare annotation was computed. [2020-07-20 10:41:57,666 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 124 169) no Hoare annotation was computed. [2020-07-20 10:41:57,666 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 124 169) no Hoare annotation was computed. [2020-07-20 10:41:57,666 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 437 482) no Hoare annotation was computed. [2020-07-20 10:41:57,666 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 437 482) no Hoare annotation was computed. [2020-07-20 10:41:57,666 INFO L268 CegarLoopResult]: For program point L457(lines 457 464) no Hoare annotation was computed. [2020-07-20 10:41:57,666 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 437 482) no Hoare annotation was computed. [2020-07-20 10:41:57,666 INFO L268 CegarLoopResult]: For program point L451(lines 451 471) no Hoare annotation was computed. [2020-07-20 10:41:57,667 INFO L268 CegarLoopResult]: For program point L451-1(lines 451 471) no Hoare annotation was computed. [2020-07-20 10:41:57,667 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 818 828) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:41:57,667 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 818 828) no Hoare annotation was computed. [2020-07-20 10:41:57,667 INFO L264 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:41:57,667 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 818 828) no Hoare annotation was computed. [2020-07-20 10:41:57,667 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 622 632) the Hoare annotation is: true [2020-07-20 10:41:57,668 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2020-07-20 10:41:57,668 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2020-07-20 10:41:57,668 INFO L271 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: true [2020-07-20 10:41:57,668 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-07-20 10:41:57,668 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 614 621) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1 .cse3))) [2020-07-20 10:41:57,668 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2020-07-20 10:41:57,669 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2020-07-20 10:41:57,669 INFO L268 CegarLoopResult]: For program point L940(lines 940 946) no Hoare annotation was computed. [2020-07-20 10:41:57,669 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 936 949) no Hoare annotation was computed. [2020-07-20 10:41:57,669 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 936 949) the Hoare annotation is: true [2020-07-20 10:41:57,669 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 936 949) no Hoare annotation was computed. [2020-07-20 10:41:57,669 INFO L264 CegarLoopResult]: At program point L600(line 600) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse4 .cse7) (or .cse1 .cse8 .cse6 .cse7) (or .cse0 .cse1 .cse8 .cse2 .cse3 .cse5))) [2020-07-20 10:41:57,669 INFO L268 CegarLoopResult]: For program point L600-1(lines 581 605) no Hoare annotation was computed. [2020-07-20 10:41:57,670 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 581 605) no Hoare annotation was computed. [2020-07-20 10:41:57,670 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 581 605) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (< ~waterLevel~0 3))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse1 .cse4) (or .cse6 .cse0 .cse7 .cse8 .cse3 .cse9) (or .cse6 .cse0 .cse5 .cse7 .cse8 .cse9))) [2020-07-20 10:41:57,670 INFO L264 CegarLoopResult]: At program point L595(line 595) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not (< ~waterLevel~0 3))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse3 .cse4 .cse6) (or .cse1 .cse2 .cse5 .cse7))) [2020-07-20 10:41:57,670 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not (< ~waterLevel~0 3))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse6 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse7)) (or .cse1 .cse7 .cse5 .cse8 .cse6) (or .cse0 .cse1 .cse3 .cse4 .cse8))) [2020-07-20 10:41:57,670 INFO L268 CegarLoopResult]: For program point L589(lines 589 597) no Hoare annotation was computed. [2020-07-20 10:41:57,671 INFO L264 CegarLoopResult]: At program point L587(line 587) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not (< ~waterLevel~0 3))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse3 .cse4 .cse7) (or .cse1 .cse2 .cse6 .cse5 .cse8))) [2020-07-20 10:41:57,671 INFO L268 CegarLoopResult]: For program point L587-1(line 587) no Hoare annotation was computed. [2020-07-20 10:41:57,671 INFO L268 CegarLoopResult]: For program point L585(lines 585 602) no Hoare annotation was computed. [2020-07-20 10:41:57,671 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 521 527) no Hoare annotation was computed. [2020-07-20 10:41:57,671 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 521 527) the Hoare annotation is: true [2020-07-20 10:41:57,672 INFO L264 CegarLoopResult]: At program point L99-2(lines 93 104) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse3 (< ~waterLevel~0 3))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse5 .cse1 .cse3) (and .cse6 .cse1 .cse2 .cse3) (and .cse4 .cse6 .cse5 .cse1 .cse3) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-20 10:41:57,672 INFO L268 CegarLoopResult]: For program point L64(lines 63 108) no Hoare annotation was computed. [2020-07-20 10:41:57,672 INFO L264 CegarLoopResult]: At program point testENTRY(lines 53 116) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:41:57,672 INFO L268 CegarLoopResult]: For program point L93(lines 93 104) no Hoare annotation was computed. [2020-07-20 10:41:57,672 INFO L268 CegarLoopResult]: For program point testFINAL(lines 53 116) no Hoare annotation was computed. [2020-07-20 10:41:57,672 INFO L264 CegarLoopResult]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse4 (< ~waterLevel~0 3))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse5 .cse2 .cse4) (and .cse6 .cse2 .cse3 .cse4) (and .cse1 .cse6 .cse5 .cse2 .cse4) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-20 10:41:57,673 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-20 10:41:57,673 INFO L268 CegarLoopResult]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2020-07-20 10:41:57,673 INFO L264 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse4 (< ~waterLevel~0 3))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse5 .cse2 .cse4) (and .cse6 .cse2 .cse3 .cse4) (and .cse1 .cse6 .cse5 .cse2 .cse4) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-20 10:41:57,673 INFO L264 CegarLoopResult]: At program point L106(lines 63 108) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse4 (< ~waterLevel~0 3))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse5 .cse2 .cse4) (and .cse6 .cse2 .cse3 .cse4) (and .cse1 .cse6 .cse5 .cse2 .cse4) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-20 10:41:57,673 INFO L268 CegarLoopResult]: For program point L73(lines 73 79) no Hoare annotation was computed. [2020-07-20 10:41:57,673 INFO L268 CegarLoopResult]: For program point L73-1(lines 73 79) no Hoare annotation was computed. [2020-07-20 10:41:57,674 INFO L268 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-07-20 10:41:57,674 INFO L264 CegarLoopResult]: At program point L109(lines 62 110) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 10:41:57,674 INFO L268 CegarLoopResult]: For program point L99(lines 99 103) no Hoare annotation was computed. [2020-07-20 10:41:57,674 INFO L268 CegarLoopResult]: For program point testEXIT(lines 53 116) no Hoare annotation was computed. [2020-07-20 10:41:57,674 INFO L268 CegarLoopResult]: For program point L411(lines 411 418) no Hoare annotation was computed. [2020-07-20 10:41:57,674 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 391 436) no Hoare annotation was computed. [2020-07-20 10:41:57,674 INFO L268 CegarLoopResult]: For program point L405(lines 405 425) no Hoare annotation was computed. [2020-07-20 10:41:57,674 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 391 436) no Hoare annotation was computed. [2020-07-20 10:41:57,675 INFO L268 CegarLoopResult]: For program point L405-1(lines 405 425) no Hoare annotation was computed. [2020-07-20 10:41:57,675 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 391 436) no Hoare annotation was computed. [2020-07-20 10:41:57,675 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 950 958) no Hoare annotation was computed. [2020-07-20 10:41:57,675 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 950 958) the Hoare annotation is: true [2020-07-20 10:41:57,675 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 950 958) no Hoare annotation was computed. [2020-07-20 10:41:57,675 INFO L264 CegarLoopResult]: At program point L736(line 736) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< ~waterLevel~0 3))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or .cse0 .cse4 (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 .cse4 (not (= 0 ~pumpRunning~0))))) [2020-07-20 10:41:57,675 INFO L268 CegarLoopResult]: For program point L736-1(line 736) no Hoare annotation was computed. [2020-07-20 10:41:57,676 INFO L268 CegarLoopResult]: For program point L734(lines 734 751) no Hoare annotation was computed. [2020-07-20 10:41:57,676 INFO L268 CegarLoopResult]: For program point L734-1(lines 726 754) no Hoare annotation was computed. [2020-07-20 10:41:57,676 INFO L264 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3 (not (= 0 ~methaneLevelCritical~0)) .cse4))) [2020-07-20 10:41:57,676 INFO L268 CegarLoopResult]: For program point L732-1(line 732) no Hoare annotation was computed. [2020-07-20 10:41:57,676 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 726 754) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3 (not (= 0 ~methaneLevelCritical~0)) .cse4))) [2020-07-20 10:41:57,676 INFO L264 CegarLoopResult]: At program point L741(line 741) the Hoare annotation is: (let ((.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse4 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse6 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse5 .cse6) (or .cse0 .cse5 (not (<= ~waterLevel~0 1)) .cse6) (or .cse0 .cse2 .cse5 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse6))) [2020-07-20 10:41:57,677 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 726 754) no Hoare annotation was computed. [2020-07-20 10:41:57,677 INFO L268 CegarLoopResult]: For program point L739(lines 739 745) no Hoare annotation was computed. [2020-07-20 10:41:57,677 INFO L268 CegarLoopResult]: For program point L738(lines 738 748) no Hoare annotation was computed. [2020-07-20 10:41:57,677 INFO L268 CegarLoopResult]: For program point L912(lines 912 920) no Hoare annotation was computed. [2020-07-20 10:41:57,677 INFO L268 CegarLoopResult]: For program point L912-2(lines 912 920) no Hoare annotation was computed. [2020-07-20 10:41:57,677 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 904 926) no Hoare annotation was computed. [2020-07-20 10:41:57,677 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 904 926) no Hoare annotation was computed. [2020-07-20 10:41:57,677 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 904 926) no Hoare annotation was computed. [2020-07-20 10:41:57,678 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 718 725) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-20 10:41:57,678 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 718 725) no Hoare annotation was computed. [2020-07-20 10:41:57,678 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 718 725) no Hoare annotation was computed. [2020-07-20 10:41:57,678 INFO L268 CegarLoopResult]: For program point L353(line 353) no Hoare annotation was computed. [2020-07-20 10:41:57,678 INFO L268 CegarLoopResult]: For program point L353-1(line 353) no Hoare annotation was computed. [2020-07-20 10:41:57,678 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 288 390) no Hoare annotation was computed. [2020-07-20 10:41:57,678 INFO L268 CegarLoopResult]: For program point L312(lines 312 316) no Hoare annotation was computed. [2020-07-20 10:41:57,679 INFO L268 CegarLoopResult]: For program point L376(lines 376 387) no Hoare annotation was computed. [2020-07-20 10:41:57,679 INFO L268 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-07-20 10:41:57,679 INFO L268 CegarLoopResult]: For program point L337-2(lines 337 357) no Hoare annotation was computed. [2020-07-20 10:41:57,679 INFO L268 CegarLoopResult]: For program point L358(lines 336 359) no Hoare annotation was computed. [2020-07-20 10:41:57,679 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 288 390) no Hoare annotation was computed. [2020-07-20 10:41:57,679 INFO L268 CegarLoopResult]: For program point L317(lines 317 333) no Hoare annotation was computed. [2020-07-20 10:41:57,679 INFO L268 CegarLoopResult]: For program point L377(lines 377 384) no Hoare annotation was computed. [2020-07-20 10:41:57,679 INFO L268 CegarLoopResult]: For program point L338(lines 337 357) no Hoare annotation was computed. [2020-07-20 10:41:57,680 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 288 390) no Hoare annotation was computed. [2020-07-20 10:41:57,680 INFO L268 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-07-20 10:41:57,680 INFO L268 CegarLoopResult]: For program point L369-1(line 369) no Hoare annotation was computed. [2020-07-20 10:41:57,680 INFO L268 CegarLoopResult]: For program point L334(lines 334 375) no Hoare annotation was computed. [2020-07-20 10:41:57,680 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 961 970) no Hoare annotation was computed. [2020-07-20 10:41:57,680 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 961 970) no Hoare annotation was computed. [2020-07-20 10:41:57,680 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 961 970) no Hoare annotation was computed. [2020-07-20 10:41:57,680 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:41:57,681 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (or (< 2 |old(~waterLevel~0)|) (< ~waterLevel~0 3)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1))) [2020-07-20 10:41:57,681 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:41:57,681 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 606 613) no Hoare annotation was computed. [2020-07-20 10:41:57,681 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 606 613) no Hoare annotation was computed. [2020-07-20 10:41:57,681 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 606 613) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= 0 ~methaneLevelCritical~0)) .cse4) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4))) [2020-07-20 10:41:57,681 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 678 696) no Hoare annotation was computed. [2020-07-20 10:41:57,681 INFO L268 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-07-20 10:41:57,682 INFO L271 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: true [2020-07-20 10:41:57,682 INFO L268 CegarLoopResult]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2020-07-20 10:41:57,682 INFO L268 CegarLoopResult]: For program point L685-1(line 685) no Hoare annotation was computed. [2020-07-20 10:41:57,682 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 678 696) the Hoare annotation is: true [2020-07-20 10:41:57,682 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 678 696) no Hoare annotation was computed. [2020-07-20 10:41:57,682 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 927 935) no Hoare annotation was computed. [2020-07-20 10:41:57,682 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 927 935) no Hoare annotation was computed. [2020-07-20 10:41:57,682 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 927 935) no Hoare annotation was computed. [2020-07-20 10:41:57,683 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 883 894) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse4 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (< ~waterLevel~0 3))) (.cse8 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse1 .cse6 .cse4) (or .cse5 .cse0 .cse7 .cse1 .cse8 .cse3) (or .cse5 .cse0 .cse7 .cse1 .cse8 .cse6))) [2020-07-20 10:41:57,683 INFO L268 CegarLoopResult]: For program point L887-1(lines 883 894) no Hoare annotation was computed. [2020-07-20 10:41:57,683 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 883 894) no Hoare annotation was computed. [2020-07-20 10:41:57,683 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:41:57,683 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:41:57,683 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:41:57,684 INFO L264 CegarLoopResult]: At program point L510(line 510) the Hoare annotation is: (let ((.cse11 (<= ~waterLevel~0 1))) (let ((.cse7 (< ~waterLevel~0 3)) (.cse5 (< 1 ~waterLevel~0)) (.cse8 (not (< 1 |old(~waterLevel~0)|))) (.cse12 (not (= 0 ~methaneLevelCritical~0))) (.cse14 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11)) (.cse10 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (= 0 ~pumpRunning~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse13 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse9 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7) .cse8 .cse9) (or .cse10 .cse0 (and .cse4 .cse6 .cse11) .cse2 .cse3 .cse12) (or .cse0 .cse2 .cse3 .cse12 (and .cse4 (<= 1 ~waterLevel~0) .cse6 .cse7) (not (<= 1 |old(~waterLevel~0)|)) .cse9) (or .cse0 .cse5 .cse2 .cse3 .cse12 .cse8 .cse9) (or .cse0 .cse13 .cse12 .cse14 .cse9) (or .cse0 .cse1 .cse13 .cse14 .cse9) (or .cse10 .cse0 .cse1 (and .cse4 .cse6 .cse11 (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1))) .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse13 .cse2 .cse9)))) [2020-07-20 10:41:57,684 INFO L264 CegarLoopResult]: At program point L508(lines 508 514) the Hoare annotation is: (let ((.cse16 (< 1 ~waterLevel~0)) (.cse18 (< ~waterLevel~0 3)) (.cse17 (= 0 ~pumpRunning~0)) (.cse19 (= 0 ~methAndRunningLastTime~0)) (.cse14 (<= ~waterLevel~0 1)) (.cse20 (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1))) (.cse15 (<= 1 ~pumpRunning~0))) (let ((.cse11 (not (<= |old(~waterLevel~0)| 1))) (.cse12 (and .cse19 .cse14 .cse20 .cse15)) (.cse13 (and .cse17 .cse14 .cse20)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (and .cse17 .cse14)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (and .cse19 .cse16 .cse15 .cse18)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and .cse16 .cse17 .cse18)) (.cse6 (not (< 1 |old(~waterLevel~0)|))) (.cse7 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse8 .cse9 .cse10 .cse7) (or .cse11 .cse12 .cse0 .cse2 .cse3 .cse5 .cse13) (or .cse11 .cse12 .cse0 .cse8 .cse2 .cse3 .cse13) (or .cse0 .cse9 .cse5 (and .cse14 .cse15) .cse10 .cse7) (or .cse0 .cse8 .cse1 .cse2 .cse3 .cse4 .cse6 .cse7)))) [2020-07-20 10:41:57,684 INFO L264 CegarLoopResult]: At program point L503(line 503) the Hoare annotation is: (let ((.cse8 (<= 1 ~systemActive~0))) (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse0 (not .cse8)) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1)) .cse8 (< ~waterLevel~0 3))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse0 .cse6 .cse5 .cse7 .cse4) (or .cse0 (= 0 ~methAndRunningLastTime~0) .cse5 .cse7 .cse1 .cse4) (or .cse0 .cse6 .cse7 .cse3 .cse4)))) [2020-07-20 10:41:57,684 INFO L268 CegarLoopResult]: For program point L501(lines 500 519) no Hoare annotation was computed. [2020-07-20 10:41:57,685 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 497 520) the Hoare annotation is: (let ((.cse13 (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1))) (.cse16 (<= 1 ~systemActive~0)) (.cse7 (< ~waterLevel~0 3))) (let ((.cse5 (< 1 ~waterLevel~0)) (.cse8 (not (< 1 |old(~waterLevel~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (= 0 ~pumpRunning~0)) (.cse11 (<= ~waterLevel~0 1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse14 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse13 .cse16 (<= 1 ~pumpRunning~0) .cse7)) (.cse12 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not .cse16)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse15 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse9 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7) .cse8 .cse9) (or .cse10 .cse0 (and .cse4 .cse6 .cse11) .cse2 .cse3 .cse12) (or .cse0 .cse2 .cse3 .cse12 (and .cse4 (<= 1 ~waterLevel~0) .cse6 .cse7) (not (<= 1 |old(~waterLevel~0)|)) .cse9) (or .cse0 .cse5 .cse2 .cse3 .cse12 .cse8 .cse9) (or .cse10 .cse0 .cse1 (and .cse4 .cse6 .cse11 .cse13) .cse2 .cse3) (or .cse0 .cse14 .cse1 .cse15 .cse9) (or .cse0 .cse14 .cse15 .cse12 .cse9) (or .cse0 .cse4 .cse1 .cse15 .cse2 .cse9)))) [2020-07-20 10:41:57,685 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 497 520) no Hoare annotation was computed. [2020-07-20 10:41:57,685 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 497 520) no Hoare annotation was computed. [2020-07-20 10:41:57,685 INFO L268 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-07-20 10:41:57,685 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 757 786) no Hoare annotation was computed. [2020-07-20 10:41:57,685 INFO L271 CegarLoopResult]: At program point L767-2(lines 767 781) the Hoare annotation is: true [2020-07-20 10:41:57,685 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 757 786) the Hoare annotation is: true [2020-07-20 10:41:57,686 INFO L271 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: true [2020-07-20 10:41:57,686 INFO L268 CegarLoopResult]: For program point L763-1(line 763) no Hoare annotation was computed. [2020-07-20 10:41:57,686 INFO L271 CegarLoopResult]: At program point L782(lines 757 786) the Hoare annotation is: true [2020-07-20 10:41:57,686 INFO L268 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed. [2020-07-20 10:41:57,686 INFO L268 CegarLoopResult]: For program point L771(lines 771 775) no Hoare annotation was computed. [2020-07-20 10:41:57,686 INFO L271 CegarLoopResult]: At program point L771-1(lines 771 775) the Hoare annotation is: true [2020-07-20 10:41:57,686 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 895 903) the Hoare annotation is: true [2020-07-20 10:41:57,686 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 895 903) no Hoare annotation was computed. [2020-07-20 10:41:57,686 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 895 903) no Hoare annotation was computed. [2020-07-20 10:41:57,687 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 859 870) the Hoare annotation is: (let ((.cse4 (<= 1 ~systemActive~0))) (let ((.cse0 (not .cse4)) (.cse1 (and (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1)) .cse4 (< ~waterLevel~0 3))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3)))) [2020-07-20 10:41:57,687 INFO L268 CegarLoopResult]: For program point L863-1(lines 859 870) no Hoare annotation was computed. [2020-07-20 10:41:57,687 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 859 870) no Hoare annotation was computed. [2020-07-20 10:41:57,687 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 811 817) no Hoare annotation was computed. [2020-07-20 10:41:57,687 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 811 817) the Hoare annotation is: true [2020-07-20 10:41:57,687 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:41:57,687 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 10:41:57,688 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:41:57,688 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:41:57,688 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 529 553) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (< ~waterLevel~0 3))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= ~waterLevel~0 1))) (or .cse2 .cse0 .cse3 .cse4 .cse1 .cse5) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4 .cse5))) [2020-07-20 10:41:57,688 INFO L264 CegarLoopResult]: At program point L543(line 543) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse5))) [2020-07-20 10:41:57,688 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 529 553) no Hoare annotation was computed. [2020-07-20 10:41:57,688 INFO L264 CegarLoopResult]: At program point L539(line 539) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse5))) [2020-07-20 10:41:57,689 INFO L268 CegarLoopResult]: For program point L537(lines 537 545) no Hoare annotation was computed. [2020-07-20 10:41:57,689 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse5))) [2020-07-20 10:41:57,689 INFO L268 CegarLoopResult]: For program point L535-1(line 535) no Hoare annotation was computed. [2020-07-20 10:41:57,689 INFO L268 CegarLoopResult]: For program point L533(lines 533 550) no Hoare annotation was computed. [2020-07-20 10:41:57,689 INFO L264 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-20 10:41:57,689 INFO L268 CegarLoopResult]: For program point L548-1(lines 529 553) no Hoare annotation was computed. [2020-07-20 10:41:57,689 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 871 882) no Hoare annotation was computed. [2020-07-20 10:41:57,689 INFO L268 CegarLoopResult]: For program point L875-1(lines 871 882) no Hoare annotation was computed. [2020-07-20 10:41:57,690 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 871 882) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 1))) (let ((.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse6 (and (< 1 ~waterLevel~0) (< ~waterLevel~0 3))) (.cse5 (not (< |old(~waterLevel~0)| 3))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse11 (and .cse9 (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1)))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse1 .cse8 .cse9 .cse10) (or .cse7 .cse1 .cse8 (<= 1 ~waterLevel~0) .cse10 (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 .cse3 .cse10 .cse6 .cse5) (or .cse7 .cse0 .cse1 .cse11 .cse8 .cse4) (or .cse1 .cse8 .cse3 .cse10 .cse6 .cse5) (or .cse7 .cse0 .cse1 .cse11 .cse2 .cse4) (or .cse0 .cse1 .cse8 .cse3 .cse4 .cse6 .cse5) (or .cse7 .cse0 .cse1 .cse11 .cse2 .cse10)))) [2020-07-20 10:41:57,690 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 10:41:57,690 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 10:41:57,690 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 10:41:57,690 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 10:41:57,690 INFO L264 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse5))) [2020-07-20 10:41:57,691 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 555 579) no Hoare annotation was computed. [2020-07-20 10:41:57,691 INFO L268 CegarLoopResult]: For program point L574-1(lines 555 579) no Hoare annotation was computed. [2020-07-20 10:41:57,691 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 555 579) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (< ~waterLevel~0 3))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= ~waterLevel~0 1))) (or .cse2 .cse0 .cse3 .cse4 .cse1 .cse5) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4 .cse5))) [2020-07-20 10:41:57,691 INFO L264 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-20 10:41:57,691 INFO L264 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-20 10:41:57,691 INFO L268 CegarLoopResult]: For program point L563(lines 563 571) no Hoare annotation was computed. [2020-07-20 10:41:57,692 INFO L264 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-20 10:41:57,692 INFO L268 CegarLoopResult]: For program point L561-1(line 561) no Hoare annotation was computed. [2020-07-20 10:41:57,692 INFO L268 CegarLoopResult]: For program point L559(lines 559 576) no Hoare annotation was computed. [2020-07-20 10:41:57,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:41:57 BoogieIcfgContainer [2020-07-20 10:41:57,712 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:41:57,714 INFO L168 Benchmark]: Toolchain (without parser) took 21567.84 ms. Allocated memory was 137.9 MB in the beginning and 543.2 MB in the end (delta: 405.3 MB). Free memory was 101.0 MB in the beginning and 406.5 MB in the end (delta: -305.5 MB). Peak memory consumption was 381.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:57,714 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:41:57,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.33 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 100.6 MB in the beginning and 171.2 MB in the end (delta: -70.6 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:57,716 INFO L168 Benchmark]: Boogie Preprocessor took 101.75 ms. Allocated memory is still 201.9 MB. Free memory was 171.2 MB in the beginning and 166.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:57,716 INFO L168 Benchmark]: RCFGBuilder took 1168.51 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 166.3 MB in the beginning and 192.9 MB in the end (delta: -26.5 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:57,717 INFO L168 Benchmark]: TraceAbstraction took 19563.91 ms. Allocated memory was 233.8 MB in the beginning and 543.2 MB in the end (delta: 309.3 MB). Free memory was 192.9 MB in the beginning and 406.5 MB in the end (delta: -213.7 MB). Peak memory consumption was 377.7 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:57,721 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 727.33 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 100.6 MB in the beginning and 171.2 MB in the end (delta: -70.6 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.75 ms. Allocated memory is still 201.9 MB. Free memory was 171.2 MB in the beginning and 166.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1168.51 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 166.3 MB in the beginning and 192.9 MB in the end (delta: -26.5 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19563.91 ms. Allocated memory was 233.8 MB in the beginning and 543.2 MB in the end (delta: 309.3 MB). Free memory was 192.9 MB in the beginning and 406.5 MB in the end (delta: -213.7 MB). Peak memory consumption was 377.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 63]: Loop Invariant Derived loop invariant: ((((((((!(\old(waterLevel) <= 1) || !(1 <= systemActive)) || ((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && splverifierCounter <= 0) && 1 <= pumpRunning) && waterLevel < 3)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 == pumpRunning) && splverifierCounter <= 0) && waterLevel < 3)) || (((1 <= methaneLevelCritical && splverifierCounter <= 0) && 1 <= pumpRunning) && waterLevel < 3)) || ((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter <= 0) && waterLevel < 3)) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= systemActive) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 250 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.5s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1925 SDtfs, 1370 SDslu, 2219 SDs, 0 SdLazy, 1272 SolverSat, 383 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1697 GetRequests, 1639 SyntacticMatches, 16 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1065occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 223 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 2331 PreInvPairs, 2474 NumberOfFragments, 3598 HoareAnnotationTreeSize, 2331 FomulaSimplifications, 4071 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 67 FomulaSimplificationsInter, 20104 FormulaSimplificationTreeSizeReductionInter, 8.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1193 NumberOfCodeBlocks, 1193 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1679 ConstructedInterpolants, 0 QuantifiedInterpolants, 470369 SizeOfPredicates, 26 NumberOfNonLiveVariables, 8263 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 488/494 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...