/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:00:55,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:00:55,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:00:55,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:00:55,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:00:55,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:00:55,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:00:55,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:00:55,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:00:55,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:00:55,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:00:55,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:00:55,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:00:55,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:00:55,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:00:55,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:00:55,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:00:55,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:00:55,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:00:55,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:00:55,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:00:55,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:00:55,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:00:55,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:00:55,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:00:55,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:00:55,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:00:55,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:00:55,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:00:55,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:00:55,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:00:55,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:00:55,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:00:55,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:00:55,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:00:55,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:00:55,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:00:55,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:00:55,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:00:55,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:00:55,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:00:55,823 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 [2019-11-07 01:00:55,837 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:00:55,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:00:55,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:00:55,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:00:55,839 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:00:55,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:00:55,839 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:00:55,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:00:55,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:00:55,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:00:55,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:00:55,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:00:55,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:00:55,841 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:00:55,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:00:55,841 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:00:55,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:00:55,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:00:55,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:00:55,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:00:55,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:00:55,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:00:55,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:00:55,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:00:55,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:00:55,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:00:55,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:00:55,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:00:55,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 01:00:56,128 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:00:56,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:00:56,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:00:56,156 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:00:56,156 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:00:56,157 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c [2019-11-07 01:00:56,231 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/948a2fd3b/88312ee9d0254d8681733f2147ad06fc/FLAGba18496c7 [2019-11-07 01:00:56,796 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:00:56,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c [2019-11-07 01:00:56,824 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/948a2fd3b/88312ee9d0254d8681733f2147ad06fc/FLAGba18496c7 [2019-11-07 01:00:57,106 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/948a2fd3b/88312ee9d0254d8681733f2147ad06fc [2019-11-07 01:00:57,119 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:00:57,127 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:00:57,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:00:57,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:00:57,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:00:57,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:00:57" (1/1) ... [2019-11-07 01:00:57,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@312b99b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:57, skipping insertion in model container [2019-11-07 01:00:57,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:00:57" (1/1) ... [2019-11-07 01:00:57,153 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:00:57,257 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:00:57,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:00:57,750 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:00:57,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:00:57,910 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:00:57,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:57 WrapperNode [2019-11-07 01:00:57,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:00:57,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:00:57,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:00:57,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:00:57,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:57" (1/1) ... [2019-11-07 01:00:57,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:57" (1/1) ... [2019-11-07 01:00:57,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:57" (1/1) ... [2019-11-07 01:00:57,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:57" (1/1) ... [2019-11-07 01:00:57,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:57" (1/1) ... [2019-11-07 01:00:57,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:57" (1/1) ... [2019-11-07 01:00:57,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:57" (1/1) ... [2019-11-07 01:00:57,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:00:57,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:00:57,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:00:57,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:00:57,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:57" (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 [2019-11-07 01:00:58,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:00:58,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:00:58,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 01:00:58,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 01:00:58,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 01:00:58,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 01:00:58,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 01:00:58,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 01:00:58,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 01:00:58,060 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 01:00:58,060 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 01:00:58,060 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 01:00:58,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 01:00:58,061 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 01:00:58,061 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 01:00:58,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 01:00:58,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 01:00:58,062 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 01:00:58,062 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 01:00:58,062 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 01:00:58,063 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 01:00:58,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-11-07 01:00:58,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 01:00:58,064 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 01:00:58,064 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 01:00:58,064 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 01:00:58,064 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 01:00:58,064 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 01:00:58,064 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 01:00:58,065 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 01:00:58,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 01:00:58,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 01:00:58,065 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 01:00:58,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 01:00:58,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 01:00:58,066 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 01:00:58,066 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 01:00:58,066 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 01:00:58,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 01:00:58,066 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 01:00:58,067 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:00:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:00:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:00:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 01:00:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:00:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:00:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:00:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 01:00:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 01:00:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:00:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:00:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:00:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 01:00:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:00:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 01:00:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 01:00:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:00:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 01:00:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 01:00:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:00:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 01:00:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 01:00:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 01:00:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 01:00:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 01:00:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 01:00:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 01:00:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 01:00:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 01:00:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 01:00:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 01:00:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 01:00:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 01:00:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 01:00:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 01:00:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-11-07 01:00:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 01:00:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 01:00:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 01:00:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 01:00:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 01:00:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 01:00:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 01:00:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 01:00:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 01:00:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 01:00:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 01:00:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 01:00:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 01:00:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 01:00:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 01:00:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 01:00:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:00:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:00:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:00:58,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:00:59,201 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:00:59,201 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 01:00:59,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:59 BoogieIcfgContainer [2019-11-07 01:00:59,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:00:59,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:00:59,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:00:59,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:00:59,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:00:57" (1/3) ... [2019-11-07 01:00:59,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f6fb6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:00:59, skipping insertion in model container [2019-11-07 01:00:59,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:00:57" (2/3) ... [2019-11-07 01:00:59,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f6fb6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:00:59, skipping insertion in model container [2019-11-07 01:00:59,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:00:59" (3/3) ... [2019-11-07 01:00:59,212 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product57.cil.c [2019-11-07 01:00:59,223 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:00:59,232 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:00:59,243 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:00:59,283 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:00:59,283 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:00:59,283 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:00:59,283 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:00:59,284 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:00:59,284 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:00:59,284 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:00:59,284 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:00:59,306 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2019-11-07 01:00:59,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 01:00:59,316 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:59,317 INFO L410 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] [2019-11-07 01:00:59,319 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:59,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:59,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1038310593, now seen corresponding path program 1 times [2019-11-07 01:00:59,334 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:59,334 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104049225] [2019-11-07 01:00:59,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:59,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:00:59,703 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104049225] [2019-11-07 01:00:59,703 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:59,704 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 01:00:59,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735532528] [2019-11-07 01:00:59,710 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:00:59,712 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:59,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 01:00:59,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:00:59,730 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2019-11-07 01:00:59,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:59,776 INFO L93 Difference]: Finished difference Result 292 states and 359 transitions. [2019-11-07 01:00:59,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:00:59,778 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-11-07 01:00:59,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:59,793 INFO L225 Difference]: With dead ends: 292 [2019-11-07 01:00:59,793 INFO L226 Difference]: Without dead ends: 146 [2019-11-07 01:00:59,798 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:00:59,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-07 01:00:59,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-11-07 01:00:59,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-07 01:00:59,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2019-11-07 01:00:59,855 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 52 [2019-11-07 01:00:59,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:59,856 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2019-11-07 01:00:59,856 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:00:59,856 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2019-11-07 01:00:59,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-07 01:00:59,860 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:59,861 INFO L410 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] [2019-11-07 01:00:59,861 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:59,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:59,861 INFO L82 PathProgramCache]: Analyzing trace with hash 2043760100, now seen corresponding path program 1 times [2019-11-07 01:00:59,862 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:59,862 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123318228] [2019-11-07 01:00:59,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:00,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:00,028 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123318228] [2019-11-07 01:01:00,029 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:00,029 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:01:00,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660070050] [2019-11-07 01:01:00,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:01:00,031 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:00,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:01:00,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:01:00,033 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand 3 states. [2019-11-07 01:01:00,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:00,084 INFO L93 Difference]: Finished difference Result 241 states and 281 transitions. [2019-11-07 01:01:00,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:01:00,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-11-07 01:01:00,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:00,088 INFO L225 Difference]: With dead ends: 241 [2019-11-07 01:01:00,089 INFO L226 Difference]: Without dead ends: 137 [2019-11-07 01:01:00,092 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:01:00,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-07 01:01:00,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-11-07 01:01:00,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-07 01:01:00,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2019-11-07 01:01:00,112 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 53 [2019-11-07 01:01:00,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:00,113 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2019-11-07 01:01:00,113 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:01:00,113 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2019-11-07 01:01:00,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-07 01:01:00,116 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:00,116 INFO L410 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] [2019-11-07 01:01:00,116 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:00,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:00,116 INFO L82 PathProgramCache]: Analyzing trace with hash -69539003, now seen corresponding path program 1 times [2019-11-07 01:01:00,117 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:00,117 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478788668] [2019-11-07 01:01:00,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:00,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:00,254 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478788668] [2019-11-07 01:01:00,254 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:00,255 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:01:00,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400820658] [2019-11-07 01:01:00,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:01:00,256 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:00,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:01:00,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:01:00,257 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 7 states. [2019-11-07 01:01:00,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:00,623 INFO L93 Difference]: Finished difference Result 250 states and 295 transitions. [2019-11-07 01:01:00,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:01:00,624 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-11-07 01:01:00,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:00,629 INFO L225 Difference]: With dead ends: 250 [2019-11-07 01:01:00,629 INFO L226 Difference]: Without dead ends: 137 [2019-11-07 01:01:00,632 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:01:00,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-07 01:01:00,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-11-07 01:01:00,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-07 01:01:00,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 158 transitions. [2019-11-07 01:01:00,661 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 158 transitions. Word has length 57 [2019-11-07 01:01:00,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:00,662 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 158 transitions. [2019-11-07 01:01:00,662 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:01:00,662 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 158 transitions. [2019-11-07 01:01:00,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-07 01:01:00,674 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:00,674 INFO L410 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] [2019-11-07 01:01:00,674 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:00,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:00,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1758854223, now seen corresponding path program 1 times [2019-11-07 01:01:00,675 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:00,675 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251832267] [2019-11-07 01:01:00,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:00,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:00,812 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251832267] [2019-11-07 01:01:00,813 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:00,813 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 01:01:00,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828370741] [2019-11-07 01:01:00,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:01:00,814 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:00,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:01:00,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:01:00,815 INFO L87 Difference]: Start difference. First operand 137 states and 158 transitions. Second operand 5 states. [2019-11-07 01:01:01,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:01,358 INFO L93 Difference]: Finished difference Result 358 states and 429 transitions. [2019-11-07 01:01:01,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:01:01,361 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-11-07 01:01:01,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:01,367 INFO L225 Difference]: With dead ends: 358 [2019-11-07 01:01:01,367 INFO L226 Difference]: Without dead ends: 245 [2019-11-07 01:01:01,369 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-07 01:01:01,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2019-11-07 01:01:01,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 227. [2019-11-07 01:01:01,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2019-11-07 01:01:01,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 259 transitions. [2019-11-07 01:01:01,421 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 259 transitions. Word has length 70 [2019-11-07 01:01:01,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:01,423 INFO L462 AbstractCegarLoop]: Abstraction has 227 states and 259 transitions. [2019-11-07 01:01:01,424 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:01:01,424 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 259 transitions. [2019-11-07 01:01:01,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-07 01:01:01,426 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:01,427 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:01,427 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:01,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:01,427 INFO L82 PathProgramCache]: Analyzing trace with hash 19039556, now seen corresponding path program 1 times [2019-11-07 01:01:01,428 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:01,428 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835544332] [2019-11-07 01:01:01,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:01,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:01,546 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835544332] [2019-11-07 01:01:01,546 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:01,547 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:01:01,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562773812] [2019-11-07 01:01:01,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:01:01,549 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:01,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:01:01,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:01:01,550 INFO L87 Difference]: Start difference. First operand 227 states and 259 transitions. Second operand 6 states. [2019-11-07 01:01:01,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:01,781 INFO L93 Difference]: Finished difference Result 556 states and 667 transitions. [2019-11-07 01:01:01,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:01:01,782 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-11-07 01:01:01,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:01,788 INFO L225 Difference]: With dead ends: 556 [2019-11-07 01:01:01,789 INFO L226 Difference]: Without dead ends: 353 [2019-11-07 01:01:01,791 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:01:01,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2019-11-07 01:01:01,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 349. [2019-11-07 01:01:01,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-11-07 01:01:01,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 405 transitions. [2019-11-07 01:01:01,837 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 405 transitions. Word has length 84 [2019-11-07 01:01:01,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:01,837 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 405 transitions. [2019-11-07 01:01:01,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:01:01,838 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 405 transitions. [2019-11-07 01:01:01,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-07 01:01:01,840 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:01,840 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:01,840 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:01,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:01,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1361015554, now seen corresponding path program 1 times [2019-11-07 01:01:01,841 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:01,841 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472359431] [2019-11-07 01:01:01,841 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:01,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:01,974 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472359431] [2019-11-07 01:01:01,974 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:01,974 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:01:01,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658442928] [2019-11-07 01:01:01,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:01:01,975 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:01,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:01:01,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:01:01,976 INFO L87 Difference]: Start difference. First operand 349 states and 405 transitions. Second operand 6 states. [2019-11-07 01:01:02,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:02,221 INFO L93 Difference]: Finished difference Result 750 states and 904 transitions. [2019-11-07 01:01:02,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 01:01:02,222 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-11-07 01:01:02,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:02,226 INFO L225 Difference]: With dead ends: 750 [2019-11-07 01:01:02,226 INFO L226 Difference]: Without dead ends: 547 [2019-11-07 01:01:02,228 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:01:02,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2019-11-07 01:01:02,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 529. [2019-11-07 01:01:02,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2019-11-07 01:01:02,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 627 transitions. [2019-11-07 01:01:02,272 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 627 transitions. Word has length 88 [2019-11-07 01:01:02,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:02,274 INFO L462 AbstractCegarLoop]: Abstraction has 529 states and 627 transitions. [2019-11-07 01:01:02,275 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:01:02,275 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 627 transitions. [2019-11-07 01:01:02,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-07 01:01:02,283 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:02,284 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:02,284 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:02,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:02,284 INFO L82 PathProgramCache]: Analyzing trace with hash 2011268159, now seen corresponding path program 1 times [2019-11-07 01:01:02,285 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:02,285 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697113676] [2019-11-07 01:01:02,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:02,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:02,379 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697113676] [2019-11-07 01:01:02,379 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:02,380 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 01:01:02,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204972135] [2019-11-07 01:01:02,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:01:02,382 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:02,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:01:02,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:01:02,382 INFO L87 Difference]: Start difference. First operand 529 states and 627 transitions. Second operand 5 states. [2019-11-07 01:01:02,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:02,422 INFO L93 Difference]: Finished difference Result 922 states and 1114 transitions. [2019-11-07 01:01:02,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 01:01:02,423 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2019-11-07 01:01:02,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:02,427 INFO L225 Difference]: With dead ends: 922 [2019-11-07 01:01:02,427 INFO L226 Difference]: Without dead ends: 539 [2019-11-07 01:01:02,429 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:01:02,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2019-11-07 01:01:02,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 533. [2019-11-07 01:01:02,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2019-11-07 01:01:02,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 630 transitions. [2019-11-07 01:01:02,506 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 630 transitions. Word has length 88 [2019-11-07 01:01:02,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:02,507 INFO L462 AbstractCegarLoop]: Abstraction has 533 states and 630 transitions. [2019-11-07 01:01:02,507 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:01:02,507 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 630 transitions. [2019-11-07 01:01:02,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-07 01:01:02,509 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:02,509 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:02,509 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:02,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:02,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1167262657, now seen corresponding path program 1 times [2019-11-07 01:01:02,510 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:02,510 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415946790] [2019-11-07 01:01:02,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:02,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:02,633 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415946790] [2019-11-07 01:01:02,633 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:02,635 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 01:01:02,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892992014] [2019-11-07 01:01:02,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 01:01:02,636 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:02,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 01:01:02,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:01:02,639 INFO L87 Difference]: Start difference. First operand 533 states and 630 transitions. Second operand 9 states. [2019-11-07 01:01:02,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:02,723 INFO L93 Difference]: Finished difference Result 1059 states and 1278 transitions. [2019-11-07 01:01:02,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-07 01:01:02,723 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2019-11-07 01:01:02,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:02,728 INFO L225 Difference]: With dead ends: 1059 [2019-11-07 01:01:02,728 INFO L226 Difference]: Without dead ends: 550 [2019-11-07 01:01:02,731 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:01:02,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2019-11-07 01:01:02,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 540. [2019-11-07 01:01:02,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2019-11-07 01:01:02,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 637 transitions. [2019-11-07 01:01:02,779 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 637 transitions. Word has length 88 [2019-11-07 01:01:02,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:02,780 INFO L462 AbstractCegarLoop]: Abstraction has 540 states and 637 transitions. [2019-11-07 01:01:02,780 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 01:01:02,780 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 637 transitions. [2019-11-07 01:01:02,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-11-07 01:01:02,784 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:02,784 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:02,785 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:02,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:02,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1269276973, now seen corresponding path program 1 times [2019-11-07 01:01:02,785 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:02,785 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454608224] [2019-11-07 01:01:02,786 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:02,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:01:02,921 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454608224] [2019-11-07 01:01:02,922 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223981905] [2019-11-07 01:01:02,922 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:03,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 29 conjunts are in the unsatisfiable core [2019-11-07 01:01:03,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:01:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:03,316 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:01:03,818 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:01:03,819 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 01:01:03,819 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2019-11-07 01:01:03,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072384516] [2019-11-07 01:01:03,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 01:01:03,820 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:03,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 01:01:03,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:01:03,821 INFO L87 Difference]: Start difference. First operand 540 states and 637 transitions. Second operand 8 states. [2019-11-07 01:01:04,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:04,302 INFO L93 Difference]: Finished difference Result 1559 states and 1879 transitions. [2019-11-07 01:01:04,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 01:01:04,304 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 100 [2019-11-07 01:01:04,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:04,313 INFO L225 Difference]: With dead ends: 1559 [2019-11-07 01:01:04,313 INFO L226 Difference]: Without dead ends: 1043 [2019-11-07 01:01:04,316 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:01:04,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2019-11-07 01:01:04,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1040. [2019-11-07 01:01:04,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1040 states. [2019-11-07 01:01:04,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1230 transitions. [2019-11-07 01:01:04,384 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1230 transitions. Word has length 100 [2019-11-07 01:01:04,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:04,384 INFO L462 AbstractCegarLoop]: Abstraction has 1040 states and 1230 transitions. [2019-11-07 01:01:04,384 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 01:01:04,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1230 transitions. [2019-11-07 01:01:04,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-07 01:01:04,388 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:04,388 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:04,593 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:04,593 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:04,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:04,594 INFO L82 PathProgramCache]: Analyzing trace with hash -2017960913, now seen corresponding path program 1 times [2019-11-07 01:01:04,594 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:04,594 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417305356] [2019-11-07 01:01:04,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:04,719 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:01:04,719 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417305356] [2019-11-07 01:01:04,719 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:04,719 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 01:01:04,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826683786] [2019-11-07 01:01:04,720 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 01:01:04,721 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:04,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 01:01:04,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:01:04,722 INFO L87 Difference]: Start difference. First operand 1040 states and 1230 transitions. Second operand 10 states. [2019-11-07 01:01:04,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:04,995 INFO L93 Difference]: Finished difference Result 2006 states and 2417 transitions. [2019-11-07 01:01:04,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-07 01:01:04,996 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2019-11-07 01:01:04,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:05,002 INFO L225 Difference]: With dead ends: 2006 [2019-11-07 01:01:05,003 INFO L226 Difference]: Without dead ends: 990 [2019-11-07 01:01:05,006 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-07 01:01:05,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2019-11-07 01:01:05,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 974. [2019-11-07 01:01:05,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 974 states. [2019-11-07 01:01:05,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 1138 transitions. [2019-11-07 01:01:05,059 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 1138 transitions. Word has length 104 [2019-11-07 01:01:05,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:05,059 INFO L462 AbstractCegarLoop]: Abstraction has 974 states and 1138 transitions. [2019-11-07 01:01:05,059 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 01:01:05,059 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1138 transitions. [2019-11-07 01:01:05,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-07 01:01:05,062 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:05,062 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:05,063 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:05,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:05,063 INFO L82 PathProgramCache]: Analyzing trace with hash 877116949, now seen corresponding path program 1 times [2019-11-07 01:01:05,063 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:05,063 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85907255] [2019-11-07 01:01:05,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:05,160 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:01:05,161 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85907255] [2019-11-07 01:01:05,161 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:05,161 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 01:01:05,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174742410] [2019-11-07 01:01:05,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 01:01:05,162 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:05,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 01:01:05,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:01:05,163 INFO L87 Difference]: Start difference. First operand 974 states and 1138 transitions. Second operand 10 states. [2019-11-07 01:01:05,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:05,425 INFO L93 Difference]: Finished difference Result 1930 states and 2258 transitions. [2019-11-07 01:01:05,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-07 01:01:05,426 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2019-11-07 01:01:05,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:05,431 INFO L225 Difference]: With dead ends: 1930 [2019-11-07 01:01:05,432 INFO L226 Difference]: Without dead ends: 980 [2019-11-07 01:01:05,434 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-11-07 01:01:05,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2019-11-07 01:01:05,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 952. [2019-11-07 01:01:05,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 952 states. [2019-11-07 01:01:05,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1079 transitions. [2019-11-07 01:01:05,486 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1079 transitions. Word has length 104 [2019-11-07 01:01:05,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:05,487 INFO L462 AbstractCegarLoop]: Abstraction has 952 states and 1079 transitions. [2019-11-07 01:01:05,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 01:01:05,487 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1079 transitions. [2019-11-07 01:01:05,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-11-07 01:01:05,493 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:05,493 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:05,494 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:05,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:05,494 INFO L82 PathProgramCache]: Analyzing trace with hash -626275449, now seen corresponding path program 1 times [2019-11-07 01:01:05,494 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:05,494 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933605549] [2019-11-07 01:01:05,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:05,617 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-07 01:01:05,618 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933605549] [2019-11-07 01:01:05,618 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770148397] [2019-11-07 01:01:05,618 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:06,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-07 01:01:06,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:01:06,226 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:01:06,227 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:01:06,460 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:01:06,708 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-07 01:01:06,709 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 01:01:06,709 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6, 9] total 16 [2019-11-07 01:01:06,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890694188] [2019-11-07 01:01:06,710 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 01:01:06,710 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:06,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 01:01:06,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-11-07 01:01:06,711 INFO L87 Difference]: Start difference. First operand 952 states and 1079 transitions. Second operand 8 states. [2019-11-07 01:01:08,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:08,033 INFO L93 Difference]: Finished difference Result 2507 states and 3068 transitions. [2019-11-07 01:01:08,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-07 01:01:08,034 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2019-11-07 01:01:08,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:08,044 INFO L225 Difference]: With dead ends: 2507 [2019-11-07 01:01:08,045 INFO L226 Difference]: Without dead ends: 1819 [2019-11-07 01:01:08,048 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 295 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2019-11-07 01:01:08,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2019-11-07 01:01:08,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 1658. [2019-11-07 01:01:08,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1658 states. [2019-11-07 01:01:08,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 1920 transitions. [2019-11-07 01:01:08,137 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 1920 transitions. Word has length 153 [2019-11-07 01:01:08,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:08,138 INFO L462 AbstractCegarLoop]: Abstraction has 1658 states and 1920 transitions. [2019-11-07 01:01:08,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 01:01:08,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 1920 transitions. [2019-11-07 01:01:08,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-07 01:01:08,141 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:08,142 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-07 01:01:08,354 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:08,354 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:08,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:08,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1835535361, now seen corresponding path program 1 times [2019-11-07 01:01:08,355 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:08,355 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456966990] [2019-11-07 01:01:08,355 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:08,484 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-07 01:01:08,484 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456966990] [2019-11-07 01:01:08,484 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730072320] [2019-11-07 01:01:08,485 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:08,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-07 01:01:08,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:01:08,990 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-07 01:01:08,990 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:01:09,204 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:01:09,222 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:01:09,292 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-07 01:01:09,293 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 01:01:09,293 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6, 9] total 19 [2019-11-07 01:01:09,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271390136] [2019-11-07 01:01:09,296 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 01:01:09,296 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:09,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 01:01:09,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:01:09,297 INFO L87 Difference]: Start difference. First operand 1658 states and 1920 transitions. Second operand 9 states. [2019-11-07 01:01:10,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:10,009 INFO L93 Difference]: Finished difference Result 3151 states and 3735 transitions. [2019-11-07 01:01:10,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-07 01:01:10,009 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 149 [2019-11-07 01:01:10,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:10,011 INFO L225 Difference]: With dead ends: 3151 [2019-11-07 01:01:10,011 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:01:10,018 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 286 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2019-11-07 01:01:10,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:01:10,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:01:10,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:01:10,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:01:10,019 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2019-11-07 01:01:10,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:10,020 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:01:10,020 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 01:01:10,020 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:01:10,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:01:10,232 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:10,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:01:11,568 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 29 [2019-11-07 01:01:12,277 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 50 [2019-11-07 01:01:12,552 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 26 [2019-11-07 01:01:12,704 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-11-07 01:01:12,922 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-11-07 01:01:13,516 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 46 [2019-11-07 01:01:13,791 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 31 [2019-11-07 01:01:14,186 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 29 [2019-11-07 01:01:14,321 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 32 [2019-11-07 01:01:14,611 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 32 [2019-11-07 01:01:14,776 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-11-07 01:01:15,358 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 41 [2019-11-07 01:01:15,601 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-11-07 01:01:15,800 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 29 [2019-11-07 01:01:15,971 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2019-11-07 01:01:16,166 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 26 [2019-11-07 01:01:16,363 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 30 [2019-11-07 01:01:17,316 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 53 [2019-11-07 01:01:17,500 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2019-11-07 01:01:17,990 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 34 [2019-11-07 01:01:18,283 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2019-11-07 01:01:18,403 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2019-11-07 01:01:18,556 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 25 [2019-11-07 01:01:19,112 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 38 [2019-11-07 01:01:19,270 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 20 [2019-11-07 01:01:19,273 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-11-07 01:01:19,273 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-11-07 01:01:19,273 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-07 01:01:19,273 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-11-07 01:01:19,273 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-11-07 01:01:19,273 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-11-07 01:01:19,273 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-11-07 01:01:19,274 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-11-07 01:01:19,274 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-07 01:01:19,274 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-11-07 01:01:19,274 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-11-07 01:01:19,274 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-11-07 01:01:19,274 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-11-07 01:01:19,274 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-07 01:01:19,274 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-11-07 01:01:19,274 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-11-07 01:01:19,274 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-11-07 01:01:19,274 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-11-07 01:01:19,275 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 538 544) the Hoare annotation is: true [2019-11-07 01:01:19,275 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 538 544) no Hoare annotation was computed. [2019-11-07 01:01:19,275 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 545 553) no Hoare annotation was computed. [2019-11-07 01:01:19,275 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 545 553) the Hoare annotation is: true [2019-11-07 01:01:19,275 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 545 553) no Hoare annotation was computed. [2019-11-07 01:01:19,275 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 957 979) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:01:19,275 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 957 979) no Hoare annotation was computed. [2019-11-07 01:01:19,275 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 957 979) no Hoare annotation was computed. [2019-11-07 01:01:19,275 INFO L439 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:01:19,275 INFO L439 ceAbstractionStarter]: At program point L969-1(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:01:19,276 INFO L443 ceAbstractionStarter]: For program point L967(lines 967 974) no Hoare annotation was computed. [2019-11-07 01:01:19,276 INFO L443 ceAbstractionStarter]: For program point L967-1(lines 967 974) no Hoare annotation was computed. [2019-11-07 01:01:19,276 INFO L443 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2019-11-07 01:01:19,276 INFO L439 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:01:19,276 INFO L439 ceAbstractionStarter]: At program point L963(line 963) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:01:19,276 INFO L439 ceAbstractionStarter]: At program point L963-1(line 963) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:01:19,276 INFO L443 ceAbstractionStarter]: For program point L929(line 929) no Hoare annotation was computed. [2019-11-07 01:01:19,276 INFO L443 ceAbstractionStarter]: For program point L928(line 928) no Hoare annotation was computed. [2019-11-07 01:01:19,276 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 916 939) no Hoare annotation was computed. [2019-11-07 01:01:19,276 INFO L443 ceAbstractionStarter]: For program point L927(line 927) no Hoare annotation was computed. [2019-11-07 01:01:19,276 INFO L443 ceAbstractionStarter]: For program point L926(line 926) no Hoare annotation was computed. [2019-11-07 01:01:19,277 INFO L443 ceAbstractionStarter]: For program point L925(line 925) no Hoare annotation was computed. [2019-11-07 01:01:19,277 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 916 939) no Hoare annotation was computed. [2019-11-07 01:01:19,277 INFO L443 ceAbstractionStarter]: For program point L924(line 924) no Hoare annotation was computed. [2019-11-07 01:01:19,277 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 916 939) no Hoare annotation was computed. [2019-11-07 01:01:19,277 INFO L443 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2019-11-07 01:01:19,277 INFO L443 ceAbstractionStarter]: For program point L922(line 922) no Hoare annotation was computed. [2019-11-07 01:01:19,277 INFO L443 ceAbstractionStarter]: For program point L921(line 921) no Hoare annotation was computed. [2019-11-07 01:01:19,277 INFO L443 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2019-11-07 01:01:19,277 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2019-11-07 01:01:19,277 INFO L443 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2019-11-07 01:01:19,278 INFO L443 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2019-11-07 01:01:19,278 INFO L443 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2019-11-07 01:01:19,278 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 735 743) no Hoare annotation was computed. [2019-11-07 01:01:19,278 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 735 743) the Hoare annotation is: true [2019-11-07 01:01:19,278 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 735 743) no Hoare annotation was computed. [2019-11-07 01:01:19,278 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 799 817) the Hoare annotation is: true [2019-11-07 01:01:19,278 INFO L443 ceAbstractionStarter]: For program point L808(lines 808 812) no Hoare annotation was computed. [2019-11-07 01:01:19,279 INFO L446 ceAbstractionStarter]: At program point L806(line 806) the Hoare annotation is: true [2019-11-07 01:01:19,279 INFO L443 ceAbstractionStarter]: For program point L808-2(lines 808 812) no Hoare annotation was computed. [2019-11-07 01:01:19,279 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 799 817) no Hoare annotation was computed. [2019-11-07 01:01:19,279 INFO L443 ceAbstractionStarter]: For program point L806-1(line 806) no Hoare annotation was computed. [2019-11-07 01:01:19,279 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 799 817) no Hoare annotation was computed. [2019-11-07 01:01:19,279 INFO L443 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2019-11-07 01:01:19,279 INFO L443 ceAbstractionStarter]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2019-11-07 01:01:19,279 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 759) no Hoare annotation was computed. [2019-11-07 01:01:19,279 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 744 779) no Hoare annotation was computed. [2019-11-07 01:01:19,279 INFO L443 ceAbstractionStarter]: For program point L751-2(lines 751 759) no Hoare annotation was computed. [2019-11-07 01:01:19,279 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 744 779) no Hoare annotation was computed. [2019-11-07 01:01:19,279 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-11-07 01:01:19,280 INFO L443 ceAbstractionStarter]: For program point L774-1(line 774) no Hoare annotation was computed. [2019-11-07 01:01:19,280 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 744 779) no Hoare annotation was computed. [2019-11-07 01:01:19,280 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 531 537) no Hoare annotation was computed. [2019-11-07 01:01:19,280 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 531 537) the Hoare annotation is: true [2019-11-07 01:01:19,280 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-11-07 01:01:19,280 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-11-07 01:01:19,280 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-11-07 01:01:19,280 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-11-07 01:01:19,280 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-11-07 01:01:19,280 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-11-07 01:01:19,281 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-11-07 01:01:19,281 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-11-07 01:01:19,281 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-11-07 01:01:19,281 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 947 956) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:01:19,281 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 947 956) no Hoare annotation was computed. [2019-11-07 01:01:19,281 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 947 956) no Hoare annotation was computed. [2019-11-07 01:01:19,281 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 724 734) the Hoare annotation is: true [2019-11-07 01:01:19,281 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 724 734) no Hoare annotation was computed. [2019-11-07 01:01:19,282 INFO L446 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: true [2019-11-07 01:01:19,282 INFO L443 ceAbstractionStarter]: For program point L729-1(line 729) no Hoare annotation was computed. [2019-11-07 01:01:19,282 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 724 734) no Hoare annotation was computed. [2019-11-07 01:01:19,282 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 716 723) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2019-11-07 01:01:19,282 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 716 723) no Hoare annotation was computed. [2019-11-07 01:01:19,282 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 716 723) no Hoare annotation was computed. [2019-11-07 01:01:19,282 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2019-11-07 01:01:19,282 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 493 506) no Hoare annotation was computed. [2019-11-07 01:01:19,283 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 493 506) the Hoare annotation is: true [2019-11-07 01:01:19,283 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 493 506) no Hoare annotation was computed. [2019-11-07 01:01:19,283 INFO L443 ceAbstractionStarter]: For program point L673(lines 673 681) no Hoare annotation was computed. [2019-11-07 01:01:19,283 INFO L439 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse6 .cse7 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse3))) [2019-11-07 01:01:19,283 INFO L443 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2019-11-07 01:01:19,283 INFO L443 ceAbstractionStarter]: For program point L669(lines 669 686) no Hoare annotation was computed. [2019-11-07 01:01:19,283 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 665 689) no Hoare annotation was computed. [2019-11-07 01:01:19,284 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 665 689) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse8 .cse3) (or .cse6 .cse8 .cse3 .cse5 .cse7))) [2019-11-07 01:01:19,284 INFO L439 ceAbstractionStarter]: At program point L684(line 684) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse7 .cse2) (or .cse5 .cse7 .cse2 .cse3 .cse6))) [2019-11-07 01:01:19,284 INFO L443 ceAbstractionStarter]: For program point L684-1(lines 665 689) no Hoare annotation was computed. [2019-11-07 01:01:19,284 INFO L439 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse6 .cse7 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse3))) [2019-11-07 01:01:19,284 INFO L439 ceAbstractionStarter]: At program point L675(line 675) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse6 .cse7 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse3))) [2019-11-07 01:01:19,284 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 631 637) no Hoare annotation was computed. [2019-11-07 01:01:19,285 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 631 637) the Hoare annotation is: true [2019-11-07 01:01:19,285 INFO L443 ceAbstractionStarter]: For program point L832(lines 832 836) no Hoare annotation was computed. [2019-11-07 01:01:19,285 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 820 883) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:01:19,285 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 820 883) no Hoare annotation was computed. [2019-11-07 01:01:19,285 INFO L439 ceAbstractionStarter]: At program point L876(lines 829 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:01:19,285 INFO L443 ceAbstractionStarter]: For program point L866(lines 866 870) no Hoare annotation was computed. [2019-11-07 01:01:19,285 INFO L439 ceAbstractionStarter]: At program point L866-2(lines 860 871) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse1 (< ~waterLevel~0 3)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse4 .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse5 .cse3) .cse1) (and .cse1 (and .cse4 .cse0 .cse5)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 01:01:19,286 INFO L443 ceAbstractionStarter]: For program point L831(lines 830 875) no Hoare annotation was computed. [2019-11-07 01:01:19,286 INFO L443 ceAbstractionStarter]: For program point L860(lines 860 871) no Hoare annotation was computed. [2019-11-07 01:01:19,286 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse1 (< ~waterLevel~0 3)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse4 .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse5 .cse3) .cse1) (and .cse1 (and .cse4 .cse0 .cse5)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 01:01:19,286 INFO L443 ceAbstractionStarter]: For program point L850(lines 850 856) no Hoare annotation was computed. [2019-11-07 01:01:19,286 INFO L443 ceAbstractionStarter]: For program point L850-1(lines 850 856) no Hoare annotation was computed. [2019-11-07 01:01:19,286 INFO L439 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (let ((.cse3 (= 1 ~methaneLevelCritical~0)) (.cse1 (< ~waterLevel~0 3)) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse4 .cse3) (and .cse5 .cse0 .cse1 .cse4) (and .cse5 .cse0 (<= ~waterLevel~0 1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 01:01:19,286 INFO L439 ceAbstractionStarter]: At program point L873(lines 830 875) the Hoare annotation is: (let ((.cse3 (= 1 ~methaneLevelCritical~0)) (.cse1 (< ~waterLevel~0 3)) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse4 .cse3) (and .cse5 .cse0 .cse1 .cse4) (and .cse5 .cse0 (<= ~waterLevel~0 1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 01:01:19,287 INFO L443 ceAbstractionStarter]: For program point L840(lines 840 846) no Hoare annotation was computed. [2019-11-07 01:01:19,287 INFO L443 ceAbstractionStarter]: For program point L840-1(lines 840 846) no Hoare annotation was computed. [2019-11-07 01:01:19,287 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 820 883) no Hoare annotation was computed. [2019-11-07 01:01:19,287 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-11-07 01:01:19,287 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-11-07 01:01:19,287 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-11-07 01:01:19,287 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-11-07 01:01:19,287 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-11-07 01:01:19,287 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-11-07 01:01:19,288 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 690 697) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2019-11-07 01:01:19,288 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 690 697) no Hoare annotation was computed. [2019-11-07 01:01:19,288 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 690 697) no Hoare annotation was computed. [2019-11-07 01:01:19,288 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 507 515) no Hoare annotation was computed. [2019-11-07 01:01:19,288 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 507 515) the Hoare annotation is: true [2019-11-07 01:01:19,288 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 507 515) no Hoare annotation was computed. [2019-11-07 01:01:19,288 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 461 483) no Hoare annotation was computed. [2019-11-07 01:01:19,288 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 461 483) no Hoare annotation was computed. [2019-11-07 01:01:19,289 INFO L443 ceAbstractionStarter]: For program point L469(lines 469 477) no Hoare annotation was computed. [2019-11-07 01:01:19,289 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 461 483) no Hoare annotation was computed. [2019-11-07 01:01:19,289 INFO L443 ceAbstractionStarter]: For program point L469-2(lines 469 477) no Hoare annotation was computed. [2019-11-07 01:01:19,289 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-11-07 01:01:19,289 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-11-07 01:01:19,289 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-11-07 01:01:19,289 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-11-07 01:01:19,289 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-11-07 01:01:19,290 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-11-07 01:01:19,290 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-11-07 01:01:19,290 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-11-07 01:01:19,290 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-11-07 01:01:19,290 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-11-07 01:01:19,290 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-11-07 01:01:19,290 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-11-07 01:01:19,290 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-11-07 01:01:19,290 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-11-07 01:01:19,291 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-11-07 01:01:19,291 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-11-07 01:01:19,291 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 521 530) no Hoare annotation was computed. [2019-11-07 01:01:19,291 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 521 530) no Hoare annotation was computed. [2019-11-07 01:01:19,291 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 521 530) no Hoare annotation was computed. [2019-11-07 01:01:19,291 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:19,291 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (< ~waterLevel~0 3) (< 2 |old(~waterLevel~0)|)) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-11-07 01:01:19,291 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:19,291 INFO L439 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2019-11-07 01:01:19,292 INFO L443 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2019-11-07 01:01:19,292 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 699 715) no Hoare annotation was computed. [2019-11-07 01:01:19,292 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 699 715) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2019-11-07 01:01:19,292 INFO L439 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (and (= ~methaneLevelCritical~0 activatePump_~tmp~6) .cse1) .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 01:01:19,292 INFO L443 ceAbstractionStarter]: For program point L710-1(lines 699 715) no Hoare annotation was computed. [2019-11-07 01:01:19,292 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2019-11-07 01:01:19,292 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 484 492) the Hoare annotation is: true [2019-11-07 01:01:19,293 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 484 492) no Hoare annotation was computed. [2019-11-07 01:01:19,293 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 484 492) no Hoare annotation was computed. [2019-11-07 01:01:19,293 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 780 798) no Hoare annotation was computed. [2019-11-07 01:01:19,293 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 780 798) the Hoare annotation is: true [2019-11-07 01:01:19,293 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 793) no Hoare annotation was computed. [2019-11-07 01:01:19,293 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 780 798) no Hoare annotation was computed. [2019-11-07 01:01:19,293 INFO L446 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2019-11-07 01:01:19,293 INFO L443 ceAbstractionStarter]: For program point L789-2(lines 789 793) no Hoare annotation was computed. [2019-11-07 01:01:19,293 INFO L443 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2019-11-07 01:01:19,294 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:19,294 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:01:19,294 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:19,294 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 440 451) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (< ~waterLevel~0 3))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1))) (.cse2 (= 1 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 (or .cse6 .cse4 .cse7)) (or .cse1 .cse3 .cse4 .cse7 .cse5) (or .cse3 (or .cse0 .cse6 .cse4) .cse2))) [2019-11-07 01:01:19,294 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2019-11-07 01:01:19,294 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 440 451) no Hoare annotation was computed. [2019-11-07 01:01:19,294 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 452 460) the Hoare annotation is: true [2019-11-07 01:01:19,294 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 452 460) no Hoare annotation was computed. [2019-11-07 01:01:19,295 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 452 460) no Hoare annotation was computed. [2019-11-07 01:01:19,295 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 607 630) the Hoare annotation is: (let ((.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse12 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (not (= ~systemActive~0 1))) (.cse13 (< ~waterLevel~0 3)) (.cse14 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (< ~waterLevel~0 2)) (.cse8 (and .cse13 (= ~pumpRunning~0 0) .cse14)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse5 (or .cse6 .cse12 .cse9)) (.cse0 (and .cse13 (= ~pumpRunning~0 1) .cse14)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse11 (<= ~waterLevel~0 1)) (.cse2 (or .cse12 .cse9 .cse10))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse1 .cse9) (or .cse4 (or (not (< |old(~waterLevel~0)| 2)) .cse7 .cse9 .cse10)) (or .cse7 .cse1 .cse9 .cse10 .cse8) (or .cse1 .cse5 .cse0) (or .cse6 .cse3 .cse7 .cse11 .cse9) (or .cse3 .cse11 .cse2)))) [2019-11-07 01:01:19,295 INFO L439 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse12 (<= ~waterLevel~0 1)) (.cse13 (= ~pumpRunning~0 1)) (.cse14 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse6 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (<= 1 ~waterLevel~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse11 (or .cse14 .cse7 .cse8)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse10 (and .cse12 .cse13)) (.cse3 (or .cse4 .cse14 .cse7)) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse1 .cse7) (or (< ~waterLevel~0 2) (or (not (< |old(~waterLevel~0)| 2)) .cse5 .cse7 .cse8)) (or .cse5 .cse1 .cse7 .cse8 .cse6) (or .cse9 .cse10 .cse11) (or .cse1 (and .cse12 .cse13 .cse0) .cse2 .cse11) (or .cse1 .cse10 .cse3) (or .cse4 .cse9 .cse5 .cse12 .cse7)))) [2019-11-07 01:01:19,295 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 607 630) no Hoare annotation was computed. [2019-11-07 01:01:19,295 INFO L439 ceAbstractionStarter]: At program point L618(lines 618 624) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse22 (<= ~waterLevel~0 1)) (.cse11 (= ~pumpRunning~0 0)) (.cse18 (< ~waterLevel~0 2)) (.cse19 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse10 (< ~waterLevel~0 3)) (.cse20 (= ~pumpRunning~0 1)) (.cse21 (not (= 1 |old(~pumpRunning~0)|))) (.cse13 (not (= ~systemActive~0 1))) (.cse16 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse3 (or .cse21 .cse13 .cse16)) (.cse0 (<= 1 ~waterLevel~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse12 (and .cse9 .cse10 .cse20)) (.cse14 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11 .cse18 .cse19)) (.cse5 (and .cse22 .cse11)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse4 (and .cse22 .cse20)) (.cse6 (or .cse7 .cse21 .cse13)) (.cse15 (and .cse20 .cse18 .cse19)) (.cse17 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3 .cse5) (or .cse0 .cse1 .cse2 .cse6) (or .cse7 .cse8 (and .cse9 .cse10 .cse11) .cse12 .cse1 .cse2 .cse13) (or .cse12 .cse8 .cse14 .cse15 .cse1 .cse13 .cse16) (or .cse17 .cse8 .cse14 .cse15 .cse13 .cse16) (or .cse5 .cse1 .cse4 .cse6) (or .cse15 .cse7 .cse17 .cse8 (and .cse11 .cse18 .cse19) .cse13)))) [2019-11-07 01:01:19,296 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 607 630) no Hoare annotation was computed. [2019-11-07 01:01:19,296 INFO L439 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse10 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse2 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (or .cse10 .cse5 .cse6)) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (or .cse3 .cse10 .cse5)) (.cse9 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse5) (or .cse4 .cse0 .cse5 .cse6) (or .cse0 .cse7 .cse2) (or .cse8 .cse1 .cse9) (or .cse8 .cse7 .cse9)))) [2019-11-07 01:01:19,296 INFO L443 ceAbstractionStarter]: For program point L611(lines 610 629) no Hoare annotation was computed. [2019-11-07 01:01:19,296 INFO L443 ceAbstractionStarter]: For program point L897(line 897) no Hoare annotation was computed. [2019-11-07 01:01:19,296 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 886 915) no Hoare annotation was computed. [2019-11-07 01:01:19,296 INFO L446 ceAbstractionStarter]: At program point L896-2(lines 896 910) the Hoare annotation is: true [2019-11-07 01:01:19,296 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 886 915) the Hoare annotation is: true [2019-11-07 01:01:19,297 INFO L446 ceAbstractionStarter]: At program point L892(line 892) the Hoare annotation is: true [2019-11-07 01:01:19,297 INFO L443 ceAbstractionStarter]: For program point L892-1(line 892) no Hoare annotation was computed. [2019-11-07 01:01:19,297 INFO L446 ceAbstractionStarter]: At program point L911(lines 886 915) the Hoare annotation is: true [2019-11-07 01:01:19,297 INFO L443 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2019-11-07 01:01:19,297 INFO L443 ceAbstractionStarter]: For program point L900(lines 900 904) no Hoare annotation was computed. [2019-11-07 01:01:19,297 INFO L446 ceAbstractionStarter]: At program point L900-1(lines 900 904) the Hoare annotation is: true [2019-11-07 01:01:19,297 INFO L443 ceAbstractionStarter]: For program point L576(lines 576 582) no Hoare annotation was computed. [2019-11-07 01:01:19,297 INFO L439 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (< ~waterLevel~0 3))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3) (or .cse5 .cse2 .cse3 .cse6) (or .cse5 .cse4 .cse3 .cse6))) [2019-11-07 01:01:19,297 INFO L443 ceAbstractionStarter]: For program point L574-1(line 574) no Hoare annotation was computed. [2019-11-07 01:01:19,298 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 557 589) no Hoare annotation was computed. [2019-11-07 01:01:19,298 INFO L443 ceAbstractionStarter]: For program point L572(lines 572 585) no Hoare annotation was computed. [2019-11-07 01:01:19,298 INFO L443 ceAbstractionStarter]: For program point L572-1(lines 557 589) no Hoare annotation was computed. [2019-11-07 01:01:19,298 INFO L439 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (< ~waterLevel~0 3))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2))) [2019-11-07 01:01:19,298 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 557 589) the Hoare annotation is: true [2019-11-07 01:01:19,298 INFO L443 ceAbstractionStarter]: For program point L570-1(line 570) no Hoare annotation was computed. [2019-11-07 01:01:19,298 INFO L443 ceAbstractionStarter]: For program point L566(lines 566 586) no Hoare annotation was computed. [2019-11-07 01:01:19,298 INFO L446 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: true [2019-11-07 01:01:19,299 INFO L443 ceAbstractionStarter]: For program point L564-1(line 564) no Hoare annotation was computed. [2019-11-07 01:01:19,299 INFO L439 ceAbstractionStarter]: At program point L580(line 580) the Hoare annotation is: (let ((.cse1 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (< ~waterLevel~0 3))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse0 .cse2) (or (not (<= ~waterLevel~0 1)) .cse5 .cse2 .cse3))) [2019-11-07 01:01:19,299 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 416 427) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (< ~waterLevel~0 2)) (.cse0 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse4 (and (< ~waterLevel~0 3) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse3) (or .cse0 .cse7 .cse5 .cse2 .cse6) (or .cse0 .cse7 .cse1 .cse4 .cse2))) [2019-11-07 01:01:19,299 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 416 427) no Hoare annotation was computed. [2019-11-07 01:01:19,299 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 416 427) no Hoare annotation was computed. [2019-11-07 01:01:19,299 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 940 946) no Hoare annotation was computed. [2019-11-07 01:01:19,299 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 940 946) the Hoare annotation is: true [2019-11-07 01:01:19,299 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:19,300 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) [2019-11-07 01:01:19,300 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:01:19,300 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:19,300 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 639 663) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse8 .cse3) (or .cse6 .cse8 .cse3 .cse5 .cse7))) [2019-11-07 01:01:19,300 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 639 663) no Hoare annotation was computed. [2019-11-07 01:01:19,300 INFO L439 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse6 .cse7 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse3))) [2019-11-07 01:01:19,300 INFO L443 ceAbstractionStarter]: For program point L658-1(lines 639 663) no Hoare annotation was computed. [2019-11-07 01:01:19,300 INFO L439 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2))) (.cse2 (not (< ~waterLevel~0 3))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse1 .cse3 .cse2 .cse4 .cse7) (or .cse0 .cse5 .cse6 .cse4))) [2019-11-07 01:01:19,301 INFO L439 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0))) (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= 1 processEnvironment__wrappee__highWaterSensor_~tmp~4) .cse9)) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (< ~waterLevel~0 3))) (.cse1 (and .cse9 (< ~waterLevel~0 2))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse4 .cse5) (or .cse8 .cse6 .cse7 .cse4) (or .cse2 .cse8 .cse0 .cse3 .cse1 .cse4)))) [2019-11-07 01:01:19,301 INFO L443 ceAbstractionStarter]: For program point L647(lines 647 655) no Hoare annotation was computed. [2019-11-07 01:01:19,301 INFO L439 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse7 .cse2) (or .cse5 .cse7 .cse2 .cse3 .cse6))) [2019-11-07 01:01:19,301 INFO L443 ceAbstractionStarter]: For program point L645-1(line 645) no Hoare annotation was computed. [2019-11-07 01:01:19,301 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 660) no Hoare annotation was computed. [2019-11-07 01:01:19,301 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 428 439) no Hoare annotation was computed. [2019-11-07 01:01:19,301 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 428 439) no Hoare annotation was computed. [2019-11-07 01:01:19,301 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 428 439) the Hoare annotation is: (let ((.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (< ~waterLevel~0 3) .cse11)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse9 (< ~waterLevel~0 2)) (.cse10 (not (< |old(~waterLevel~0)| 2))) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse3) (or .cse9 (or .cse10 .cse2 .cse3 .cse4)) (or .cse5 .cse1 .cse2 .cse3 .cse0) (or .cse5 .cse7 .cse0 .cse1 .cse3) (or (and .cse9 .cse11) (or .cse10 .cse7 .cse3 .cse4)) (or .cse5 .cse6 .cse2 .cse3 .cse8)))) [2019-11-07 01:01:19,301 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 591 598) no Hoare annotation was computed. [2019-11-07 01:01:19,301 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 591 598) the Hoare annotation is: true [2019-11-07 01:01:19,302 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2019-11-07 01:01:19,302 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 591 598) no Hoare annotation was computed. [2019-11-07 01:01:19,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:01:19 BoogieIcfgContainer [2019-11-07 01:01:19,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:01:19,319 INFO L168 Benchmark]: Toolchain (without parser) took 22198.45 ms. Allocated memory was 137.4 MB in the beginning and 570.4 MB in the end (delta: 433.1 MB). Free memory was 100.9 MB in the beginning and 92.3 MB in the end (delta: 8.6 MB). Peak memory consumption was 451.3 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:19,320 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 01:01:19,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 775.27 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 100.7 MB in the beginning and 164.5 MB in the end (delta: -63.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:19,322 INFO L168 Benchmark]: Boogie Preprocessor took 81.08 ms. Allocated memory is still 200.8 MB. Free memory was 164.5 MB in the beginning and 160.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:19,323 INFO L168 Benchmark]: RCFGBuilder took 1210.44 ms. Allocated memory was 200.8 MB in the beginning and 231.7 MB in the end (delta: 30.9 MB). Free memory was 160.4 MB in the beginning and 188.6 MB in the end (delta: -28.2 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:19,323 INFO L168 Benchmark]: TraceAbstraction took 20113.24 ms. Allocated memory was 231.7 MB in the beginning and 570.4 MB in the end (delta: 338.7 MB). Free memory was 187.2 MB in the beginning and 92.3 MB in the end (delta: 94.9 MB). Peak memory consumption was 443.2 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:19,327 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 775.27 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 100.7 MB in the beginning and 164.5 MB in the end (delta: -63.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.08 ms. Allocated memory is still 200.8 MB. Free memory was 164.5 MB in the beginning and 160.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1210.44 ms. Allocated memory was 200.8 MB in the beginning and 231.7 MB in the end (delta: 30.9 MB). Free memory was 160.4 MB in the beginning and 188.6 MB in the end (delta: -28.2 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20113.24 ms. Allocated memory was 231.7 MB in the beginning and 570.4 MB in the end (delta: 338.7 MB). Free memory was 187.2 MB in the beginning and 92.3 MB in the end (delta: 94.9 MB). Peak memory consumption was 443.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: 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: 886]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((((((((0 == splverifierCounter && waterLevel < 3) && pumpRunning == 0) && 1 == methaneLevelCritical) || !(systemActive == 1)) || (((0 == splverifierCounter && waterLevel < 3) && pumpRunning == 1) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 1)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && waterLevel <= 1) && pumpRunning == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 20.0s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, HoareTripleCheckerStatistics: 2417 SDtfs, 2024 SDslu, 7835 SDs, 0 SdLazy, 2311 SolverSat, 710 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 938 GetRequests, 811 SyntacticMatches, 8 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1658occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 264 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 3325 PreInvPairs, 3544 NumberOfFragments, 2916 HoareAnnotationTreeSize, 3325 FomulaSimplifications, 6068 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 65 FomulaSimplificationsInter, 31819 FormulaSimplificationTreeSizeReductionInter, 7.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1592 NumberOfCodeBlocks, 1592 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1975 ConstructedInterpolants, 0 QuantifiedInterpolants, 398807 SizeOfPredicates, 17 NumberOfNonLiveVariables, 2520 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 181/195 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...