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_spec5_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:23:03,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:23:03,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:23:03,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:23:03,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:23:03,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:23:03,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:23:03,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:23:03,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:23:03,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:23:03,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:23:03,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:23:03,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:23:03,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:23:03,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:23:03,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:23:03,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:23:03,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:23:03,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:23:03,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:23:03,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:23:03,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:23:03,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:23:03,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:23:03,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:23:03,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:23:03,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:23:03,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:23:03,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:23:03,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:23:03,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:23:03,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:23:03,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:23:03,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:23:03,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:23:03,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:23:03,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:23:03,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:23:03,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:23:03,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:23:03,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:23:03,718 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 [2019-10-13 21:23:03,732 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:23:03,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:23:03,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:23:03,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:23:03,734 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:23:03,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:23:03,735 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:23:03,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:23:03,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:23:03,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:23:03,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:23:03,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:23:03,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:23:03,736 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:23:03,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:23:03,736 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:23:03,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:23:03,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:23:03,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:23:03,737 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:23:03,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:23:03,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:23:03,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:23:03,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:23:03,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:23:03,739 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:23:03,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:23:03,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:23:03,739 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 [2019-10-13 21:23:04,053 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:23:04,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:23:04,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:23:04,071 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:23:04,072 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:23:04,072 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_productSimulator.cil.c [2019-10-13 21:23:04,144 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca0f77f2f/5bf73de43b8e49e38f32c07ce61d5adc/FLAG831b1a663 [2019-10-13 21:23:04,712 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:23:04,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_productSimulator.cil.c [2019-10-13 21:23:04,725 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca0f77f2f/5bf73de43b8e49e38f32c07ce61d5adc/FLAG831b1a663 [2019-10-13 21:23:04,937 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca0f77f2f/5bf73de43b8e49e38f32c07ce61d5adc [2019-10-13 21:23:04,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:23:04,948 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:23:04,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:23:04,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:23:04,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:23:04,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:23:04" (1/1) ... [2019-10-13 21:23:04,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5d2151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:04, skipping insertion in model container [2019-10-13 21:23:04,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:23:04" (1/1) ... [2019-10-13 21:23:04,963 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:23:05,003 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:23:05,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:23:05,465 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:23:05,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:23:05,633 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:23:05,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:05 WrapperNode [2019-10-13 21:23:05,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:23:05,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:23:05,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:23:05,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:23:05,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:05" (1/1) ... [2019-10-13 21:23:05,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:05" (1/1) ... [2019-10-13 21:23:05,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:05" (1/1) ... [2019-10-13 21:23:05,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:05" (1/1) ... [2019-10-13 21:23:05,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:05" (1/1) ... [2019-10-13 21:23:05,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:05" (1/1) ... [2019-10-13 21:23:05,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:05" (1/1) ... [2019-10-13 21:23:05,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:23:05,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:23:05,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:23:05,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:23:05,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:05" (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 [2019-10-13 21:23:05,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:23:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:23:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:23:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:23:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:23:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:23:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:23:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:23:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:23:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:23:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:23:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:23:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:23:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:23:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:23:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:23:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:23:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:23:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:23:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:23:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:23:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:23:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:23:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:23:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:23:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:23:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:23:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:23:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:23:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2019-10-13 21:23:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2019-10-13 21:23:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2019-10-13 21:23:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2019-10-13 21:23:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2019-10-13 21:23:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2019-10-13 21:23:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:23:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2019-10-13 21:23:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2019-10-13 21:23:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:23:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:23:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:23:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:23:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:23:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:23:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:23:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:23:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:23:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:23:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:23:05,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:23:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:23:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:23:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:23:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:23:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:23:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:23:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:23:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:23:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:23:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:23:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:23:05,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:23:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:23:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:23:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:23:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:23:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:23:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:23:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:23:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:23:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:23:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:23:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:23:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:23:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:23:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:23:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:23:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:23:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:23:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:23:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:23:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:23:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:23:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:23:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:23:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:23:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:23:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:23:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:23:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:23:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:23:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:23:05,828 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:23:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:23:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:23:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:23:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:23:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:23:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:23:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:23:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2019-10-13 21:23:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:23:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2019-10-13 21:23:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2019-10-13 21:23:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:23:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2019-10-13 21:23:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2019-10-13 21:23:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:23:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2019-10-13 21:23:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2019-10-13 21:23:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2019-10-13 21:23:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:23:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:23:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:23:07,009 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:23:07,010 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:23:07,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:23:07 BoogieIcfgContainer [2019-10-13 21:23:07,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:23:07,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:23:07,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:23:07,018 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:23:07,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:23:04" (1/3) ... [2019-10-13 21:23:07,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc060af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:23:07, skipping insertion in model container [2019-10-13 21:23:07,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:05" (2/3) ... [2019-10-13 21:23:07,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc060af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:23:07, skipping insertion in model container [2019-10-13 21:23:07,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:23:07" (3/3) ... [2019-10-13 21:23:07,022 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_productSimulator.cil.c [2019-10-13 21:23:07,032 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:23:07,041 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:23:07,053 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:23:07,082 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:23:07,083 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:23:07,083 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:23:07,083 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:23:07,084 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:23:07,084 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:23:07,084 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:23:07,084 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:23:07,110 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2019-10-13 21:23:07,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-10-13 21:23:07,123 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:07,124 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 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] [2019-10-13 21:23:07,126 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:07,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:07,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1762673243, now seen corresponding path program 1 times [2019-10-13 21:23:07,143 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:07,144 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071336108] [2019-10-13 21:23:07,144 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:07,144 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:07,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:07,589 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-13 21:23:07,589 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071336108] [2019-10-13 21:23:07,591 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:07,591 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:23:07,592 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134119913] [2019-10-13 21:23:07,599 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:23:07,601 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:07,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:23:07,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:07,619 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 2 states. [2019-10-13 21:23:07,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:07,738 INFO L93 Difference]: Finished difference Result 403 states and 509 transitions. [2019-10-13 21:23:07,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:23:07,740 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 91 [2019-10-13 21:23:07,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:07,781 INFO L225 Difference]: With dead ends: 403 [2019-10-13 21:23:07,781 INFO L226 Difference]: Without dead ends: 212 [2019-10-13 21:23:07,796 INFO L600 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 [2019-10-13 21:23:07,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-10-13 21:23:07,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2019-10-13 21:23:07,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-10-13 21:23:07,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 259 transitions. [2019-10-13 21:23:07,909 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 259 transitions. Word has length 91 [2019-10-13 21:23:07,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:07,914 INFO L462 AbstractCegarLoop]: Abstraction has 212 states and 259 transitions. [2019-10-13 21:23:07,914 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:23:07,914 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 259 transitions. [2019-10-13 21:23:07,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-13 21:23:07,931 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:07,932 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 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] [2019-10-13 21:23:07,932 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:07,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:07,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1489086657, now seen corresponding path program 1 times [2019-10-13 21:23:07,934 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:07,935 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916792141] [2019-10-13 21:23:07,935 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:07,935 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:07,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:08,113 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-13 21:23:08,113 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916792141] [2019-10-13 21:23:08,114 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:08,114 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:23:08,114 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601495485] [2019-10-13 21:23:08,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:23:08,122 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:08,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:23:08,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:23:08,123 INFO L87 Difference]: Start difference. First operand 212 states and 259 transitions. Second operand 3 states. [2019-10-13 21:23:08,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:08,179 INFO L93 Difference]: Finished difference Result 340 states and 415 transitions. [2019-10-13 21:23:08,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:23:08,179 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2019-10-13 21:23:08,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:08,190 INFO L225 Difference]: With dead ends: 340 [2019-10-13 21:23:08,191 INFO L226 Difference]: Without dead ends: 203 [2019-10-13 21:23:08,194 INFO L600 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 [2019-10-13 21:23:08,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2019-10-13 21:23:08,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2019-10-13 21:23:08,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-10-13 21:23:08,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 247 transitions. [2019-10-13 21:23:08,236 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 247 transitions. Word has length 92 [2019-10-13 21:23:08,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:08,239 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 247 transitions. [2019-10-13 21:23:08,239 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:23:08,239 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 247 transitions. [2019-10-13 21:23:08,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-13 21:23:08,243 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:08,243 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 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] [2019-10-13 21:23:08,244 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:08,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:08,244 INFO L82 PathProgramCache]: Analyzing trace with hash -2081754782, now seen corresponding path program 1 times [2019-10-13 21:23:08,244 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:08,245 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923140189] [2019-10-13 21:23:08,245 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:08,245 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:08,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:08,518 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-13 21:23:08,519 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923140189] [2019-10-13 21:23:08,519 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:08,520 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:23:08,520 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492417437] [2019-10-13 21:23:08,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:23:08,521 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:08,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:23:08,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:23:08,522 INFO L87 Difference]: Start difference. First operand 203 states and 247 transitions. Second operand 9 states. [2019-10-13 21:23:09,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:09,899 INFO L93 Difference]: Finished difference Result 577 states and 721 transitions. [2019-10-13 21:23:09,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:23:09,900 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2019-10-13 21:23:09,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:09,907 INFO L225 Difference]: With dead ends: 577 [2019-10-13 21:23:09,907 INFO L226 Difference]: Without dead ends: 419 [2019-10-13 21:23:09,909 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2019-10-13 21:23:09,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2019-10-13 21:23:09,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 407. [2019-10-13 21:23:09,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-10-13 21:23:09,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 508 transitions. [2019-10-13 21:23:09,974 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 508 transitions. Word has length 97 [2019-10-13 21:23:09,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:09,975 INFO L462 AbstractCegarLoop]: Abstraction has 407 states and 508 transitions. [2019-10-13 21:23:09,975 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:23:09,975 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 508 transitions. [2019-10-13 21:23:09,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-13 21:23:09,978 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:09,978 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 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] [2019-10-13 21:23:09,978 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:09,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:09,979 INFO L82 PathProgramCache]: Analyzing trace with hash -995246095, now seen corresponding path program 1 times [2019-10-13 21:23:09,979 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:09,979 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578568299] [2019-10-13 21:23:09,980 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:09,984 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:09,984 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:10,198 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-13 21:23:10,198 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578568299] [2019-10-13 21:23:10,199 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:10,199 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:23:10,199 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029057870] [2019-10-13 21:23:10,200 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:23:10,200 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:10,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:23:10,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:23:10,201 INFO L87 Difference]: Start difference. First operand 407 states and 508 transitions. Second operand 7 states. [2019-10-13 21:23:11,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:11,287 INFO L93 Difference]: Finished difference Result 1053 states and 1420 transitions. [2019-10-13 21:23:11,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:23:11,288 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 103 [2019-10-13 21:23:11,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:11,294 INFO L225 Difference]: With dead ends: 1053 [2019-10-13 21:23:11,294 INFO L226 Difference]: Without dead ends: 691 [2019-10-13 21:23:11,297 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:23:11,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2019-10-13 21:23:11,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 631. [2019-10-13 21:23:11,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 631 states. [2019-10-13 21:23:11,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 799 transitions. [2019-10-13 21:23:11,356 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 799 transitions. Word has length 103 [2019-10-13 21:23:11,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:11,357 INFO L462 AbstractCegarLoop]: Abstraction has 631 states and 799 transitions. [2019-10-13 21:23:11,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:23:11,357 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 799 transitions. [2019-10-13 21:23:11,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-13 21:23:11,360 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:11,361 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:11,361 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:11,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:11,362 INFO L82 PathProgramCache]: Analyzing trace with hash -2077668553, now seen corresponding path program 1 times [2019-10-13 21:23:11,362 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:11,362 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758834689] [2019-10-13 21:23:11,362 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:11,362 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:11,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:11,479 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-13 21:23:11,480 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758834689] [2019-10-13 21:23:11,480 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:11,480 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:23:11,480 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665893864] [2019-10-13 21:23:11,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:23:11,481 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:11,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:23:11,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:23:11,482 INFO L87 Difference]: Start difference. First operand 631 states and 799 transitions. Second operand 9 states. [2019-10-13 21:23:11,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:11,814 INFO L93 Difference]: Finished difference Result 1231 states and 1640 transitions. [2019-10-13 21:23:11,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:23:11,815 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 136 [2019-10-13 21:23:11,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:11,820 INFO L225 Difference]: With dead ends: 1231 [2019-10-13 21:23:11,820 INFO L226 Difference]: Without dead ends: 645 [2019-10-13 21:23:11,823 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2019-10-13 21:23:11,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2019-10-13 21:23:11,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 639. [2019-10-13 21:23:11,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2019-10-13 21:23:11,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 807 transitions. [2019-10-13 21:23:11,873 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 807 transitions. Word has length 136 [2019-10-13 21:23:11,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:11,874 INFO L462 AbstractCegarLoop]: Abstraction has 639 states and 807 transitions. [2019-10-13 21:23:11,874 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:23:11,875 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 807 transitions. [2019-10-13 21:23:11,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-13 21:23:11,878 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:11,878 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:11,878 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:11,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:11,879 INFO L82 PathProgramCache]: Analyzing trace with hash -232301387, now seen corresponding path program 1 times [2019-10-13 21:23:11,879 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:11,879 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023277912] [2019-10-13 21:23:11,879 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:11,879 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:11,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-13 21:23:11,974 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023277912] [2019-10-13 21:23:11,974 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:11,974 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:23:11,975 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589169689] [2019-10-13 21:23:11,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:23:11,976 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:11,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:23:11,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:23:11,976 INFO L87 Difference]: Start difference. First operand 639 states and 807 transitions. Second operand 6 states. [2019-10-13 21:23:12,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:12,036 INFO L93 Difference]: Finished difference Result 1247 states and 1656 transitions. [2019-10-13 21:23:12,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:23:12,037 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2019-10-13 21:23:12,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:12,041 INFO L225 Difference]: With dead ends: 1247 [2019-10-13 21:23:12,041 INFO L226 Difference]: Without dead ends: 653 [2019-10-13 21:23:12,044 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:23:12,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2019-10-13 21:23:12,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 649. [2019-10-13 21:23:12,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2019-10-13 21:23:12,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 817 transitions. [2019-10-13 21:23:12,093 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 817 transitions. Word has length 136 [2019-10-13 21:23:12,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:12,094 INFO L462 AbstractCegarLoop]: Abstraction has 649 states and 817 transitions. [2019-10-13 21:23:12,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:23:12,094 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 817 transitions. [2019-10-13 21:23:12,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-13 21:23:12,097 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:12,098 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:12,098 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:12,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:12,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1768602104, now seen corresponding path program 1 times [2019-10-13 21:23:12,099 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:12,099 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107007198] [2019-10-13 21:23:12,099 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:12,099 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:12,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:12,210 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-13 21:23:12,210 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107007198] [2019-10-13 21:23:12,210 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:12,210 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:23:12,211 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276090298] [2019-10-13 21:23:12,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:23:12,212 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:12,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:23:12,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:23:12,212 INFO L87 Difference]: Start difference. First operand 649 states and 817 transitions. Second operand 4 states. [2019-10-13 21:23:12,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:12,626 INFO L93 Difference]: Finished difference Result 1985 states and 2644 transitions. [2019-10-13 21:23:12,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:23:12,626 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2019-10-13 21:23:12,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:12,636 INFO L225 Difference]: With dead ends: 1985 [2019-10-13 21:23:12,637 INFO L226 Difference]: Without dead ends: 1381 [2019-10-13 21:23:12,640 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:23:12,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2019-10-13 21:23:12,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 1364. [2019-10-13 21:23:12,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1364 states. [2019-10-13 21:23:12,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 1788 transitions. [2019-10-13 21:23:12,743 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 1788 transitions. Word has length 136 [2019-10-13 21:23:12,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:12,743 INFO L462 AbstractCegarLoop]: Abstraction has 1364 states and 1788 transitions. [2019-10-13 21:23:12,743 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:23:12,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1788 transitions. [2019-10-13 21:23:12,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-13 21:23:12,750 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:12,750 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:12,751 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:12,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:12,751 INFO L82 PathProgramCache]: Analyzing trace with hash 2097761874, now seen corresponding path program 1 times [2019-10-13 21:23:12,752 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:12,752 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547239343] [2019-10-13 21:23:12,752 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:12,753 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:12,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:12,987 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-13 21:23:12,988 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547239343] [2019-10-13 21:23:12,988 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:12,988 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:23:12,988 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135780185] [2019-10-13 21:23:12,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:23:12,990 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:12,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:23:12,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:23:12,991 INFO L87 Difference]: Start difference. First operand 1364 states and 1788 transitions. Second operand 9 states. [2019-10-13 21:23:14,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:14,709 INFO L93 Difference]: Finished difference Result 3741 states and 5115 transitions. [2019-10-13 21:23:14,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:23:14,710 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 140 [2019-10-13 21:23:14,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:14,736 INFO L225 Difference]: With dead ends: 3741 [2019-10-13 21:23:14,736 INFO L226 Difference]: Without dead ends: 2654 [2019-10-13 21:23:14,744 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:23:14,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2654 states. [2019-10-13 21:23:15,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2654 to 2575. [2019-10-13 21:23:15,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2575 states. [2019-10-13 21:23:15,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2575 states and 3322 transitions. [2019-10-13 21:23:15,029 INFO L78 Accepts]: Start accepts. Automaton has 2575 states and 3322 transitions. Word has length 140 [2019-10-13 21:23:15,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:15,029 INFO L462 AbstractCegarLoop]: Abstraction has 2575 states and 3322 transitions. [2019-10-13 21:23:15,029 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:23:15,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2575 states and 3322 transitions. [2019-10-13 21:23:15,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-13 21:23:15,036 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:15,036 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:15,036 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:15,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:15,037 INFO L82 PathProgramCache]: Analyzing trace with hash 314895610, now seen corresponding path program 1 times [2019-10-13 21:23:15,037 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:15,037 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100857889] [2019-10-13 21:23:15,038 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:15,038 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:15,038 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:15,141 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-13 21:23:15,142 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100857889] [2019-10-13 21:23:15,142 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951622635] [2019-10-13 21:23:15,142 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 [2019-10-13 21:23:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:15,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 21:23:15,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:23:15,511 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-13 21:23:15,512 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:23:15,923 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-13 21:23:15,924 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:23:15,924 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 4 [2019-10-13 21:23:15,924 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128029128] [2019-10-13 21:23:15,925 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:23:15,925 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:15,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:23:15,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:23:15,926 INFO L87 Difference]: Start difference. First operand 2575 states and 3322 transitions. Second operand 3 states. [2019-10-13 21:23:16,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:16,084 INFO L93 Difference]: Finished difference Result 5418 states and 7217 transitions. [2019-10-13 21:23:16,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:23:16,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2019-10-13 21:23:16,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:16,105 INFO L225 Difference]: With dead ends: 5418 [2019-10-13 21:23:16,106 INFO L226 Difference]: Without dead ends: 2888 [2019-10-13 21:23:16,115 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:23:16,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2888 states. [2019-10-13 21:23:16,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2888 to 2702. [2019-10-13 21:23:16,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2702 states. [2019-10-13 21:23:16,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 2702 states and 3447 transitions. [2019-10-13 21:23:16,294 INFO L78 Accepts]: Start accepts. Automaton has 2702 states and 3447 transitions. Word has length 191 [2019-10-13 21:23:16,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:16,295 INFO L462 AbstractCegarLoop]: Abstraction has 2702 states and 3447 transitions. [2019-10-13 21:23:16,295 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:23:16,295 INFO L276 IsEmpty]: Start isEmpty. Operand 2702 states and 3447 transitions. [2019-10-13 21:23:16,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-10-13 21:23:16,302 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:16,302 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:16,508 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:23:16,508 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:16,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:16,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1226816066, now seen corresponding path program 1 times [2019-10-13 21:23:16,509 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:16,509 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639827746] [2019-10-13 21:23:16,510 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:16,510 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:16,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:16,698 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 23 proven. 11 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-10-13 21:23:16,699 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639827746] [2019-10-13 21:23:16,699 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855050244] [2019-10-13 21:23:16,699 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 [2019-10-13 21:23:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:17,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 1160 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:23:17,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:23:17,216 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 32 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-13 21:23:17,216 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:23:17,692 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 23 proven. 11 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-10-13 21:23:17,692 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [28891920] [2019-10-13 21:23:17,699 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 197 [2019-10-13 21:23:17,755 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:23:17,756 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:23:17,848 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:23:17,850 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 85 root evaluator evaluations with a maximum evaluation depth of 0. Performed 85 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 144 variables. [2019-10-13 21:23:17,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:17,856 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:23:17,961 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:23:17,962 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:23:17,968 INFO L553 sIntCurrentIteration]: We unified 195 AI predicates to 195 [2019-10-13 21:23:17,969 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:23:17,970 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:23:17,970 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [12, 7, 7] total 20 [2019-10-13 21:23:17,971 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80689487] [2019-10-13 21:23:17,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:23:17,972 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:17,972 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:23:17,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:23:17,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:17,973 INFO L87 Difference]: Start difference. First operand 2702 states and 3447 transitions. Second operand 2 states. [2019-10-13 21:23:18,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:18,012 INFO L93 Difference]: Finished difference Result 2702 states and 3447 transitions. [2019-10-13 21:23:18,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:23:18,012 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 196 [2019-10-13 21:23:18,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:18,013 INFO L225 Difference]: With dead ends: 2702 [2019-10-13 21:23:18,014 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:23:18,021 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:18,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:23:18,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:23:18,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:23:18,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:23:18,023 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 196 [2019-10-13 21:23:18,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:18,023 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:23:18,023 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:23:18,024 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:23:18,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:23:18,230 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:23:18,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:23:18,685 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2019-10-13 21:23:19,151 INFO L443 ceAbstractionStarter]: For program point L416(lines 393 417) no Hoare annotation was computed. [2019-10-13 21:23:19,151 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 369 424) no Hoare annotation was computed. [2019-10-13 21:23:19,152 INFO L443 ceAbstractionStarter]: For program point L400(lines 400 404) no Hoare annotation was computed. [2019-10-13 21:23:19,152 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 400 404) no Hoare annotation was computed. [2019-10-13 21:23:19,152 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-13 21:23:19,152 INFO L443 ceAbstractionStarter]: For program point L394-2(lines 394 415) no Hoare annotation was computed. [2019-10-13 21:23:19,152 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 369 424) no Hoare annotation was computed. [2019-10-13 21:23:19,152 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 369 424) no Hoare annotation was computed. [2019-10-13 21:23:19,152 INFO L443 ceAbstractionStarter]: For program point L451-2(lines 451 476) no Hoare annotation was computed. [2019-10-13 21:23:19,152 INFO L443 ceAbstractionStarter]: For program point L477(lines 450 478) no Hoare annotation was computed. [2019-10-13 21:23:19,153 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-13 21:23:19,153 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 425 484) no Hoare annotation was computed. [2019-10-13 21:23:19,153 INFO L443 ceAbstractionStarter]: For program point L470-1(line 470) no Hoare annotation was computed. [2019-10-13 21:23:19,153 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 425 484) no Hoare annotation was computed. [2019-10-13 21:23:19,153 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 425 484) no Hoare annotation was computed. [2019-10-13 21:23:19,153 INFO L443 ceAbstractionStarter]: For program point L457(lines 457 461) no Hoare annotation was computed. [2019-10-13 21:23:19,153 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 457 461) no Hoare annotation was computed. [2019-10-13 21:23:19,153 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-13 21:23:19,154 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 298 306) no Hoare annotation was computed. [2019-10-13 21:23:19,154 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 298 306) the Hoare annotation is: true [2019-10-13 21:23:19,154 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 298 306) no Hoare annotation was computed. [2019-10-13 21:23:19,154 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 239 261) the Hoare annotation is: true [2019-10-13 21:23:19,154 INFO L446 ceAbstractionStarter]: At program point L251(line 251) the Hoare annotation is: true [2019-10-13 21:23:19,154 INFO L446 ceAbstractionStarter]: At program point L251-1(line 251) the Hoare annotation is: true [2019-10-13 21:23:19,154 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 256) no Hoare annotation was computed. [2019-10-13 21:23:19,155 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 239 261) no Hoare annotation was computed. [2019-10-13 21:23:19,155 INFO L443 ceAbstractionStarter]: For program point L249-1(lines 249 256) no Hoare annotation was computed. [2019-10-13 21:23:19,155 INFO L443 ceAbstractionStarter]: For program point L247(line 247) no Hoare annotation was computed. [2019-10-13 21:23:19,155 INFO L446 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: true [2019-10-13 21:23:19,155 INFO L446 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2019-10-13 21:23:19,155 INFO L446 ceAbstractionStarter]: At program point L245-1(line 245) the Hoare annotation is: true [2019-10-13 21:23:19,155 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 239 261) no Hoare annotation was computed. [2019-10-13 21:23:19,155 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 192 215) no Hoare annotation was computed. [2019-10-13 21:23:19,156 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 192 215) no Hoare annotation was computed. [2019-10-13 21:23:19,156 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 192 215) no Hoare annotation was computed. [2019-10-13 21:23:19,156 INFO L443 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2019-10-13 21:23:19,156 INFO L443 ceAbstractionStarter]: For program point L209(line 209) no Hoare annotation was computed. [2019-10-13 21:23:19,156 INFO L443 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2019-10-13 21:23:19,156 INFO L443 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2019-10-13 21:23:19,156 INFO L443 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2019-10-13 21:23:19,156 INFO L443 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-10-13 21:23:19,156 INFO L443 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-10-13 21:23:19,157 INFO L443 ceAbstractionStarter]: For program point L203(line 203) no Hoare annotation was computed. [2019-10-13 21:23:19,157 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-13 21:23:19,157 INFO L443 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-10-13 21:23:19,157 INFO L443 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2019-10-13 21:23:19,157 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-13 21:23:19,157 INFO L443 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-10-13 21:23:19,157 INFO L443 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2019-10-13 21:23:19,157 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 1077 1091) no Hoare annotation was computed. [2019-10-13 21:23:19,158 INFO L446 ceAbstractionStarter]: At program point L1083(line 1083) the Hoare annotation is: true [2019-10-13 21:23:19,158 INFO L443 ceAbstractionStarter]: For program point L1081(lines 1081 1087) no Hoare annotation was computed. [2019-10-13 21:23:19,158 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 1077 1091) the Hoare annotation is: true [2019-10-13 21:23:19,158 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 1077 1091) no Hoare annotation was computed. [2019-10-13 21:23:19,158 INFO L446 ceAbstractionStarter]: At program point L824(line 824) the Hoare annotation is: true [2019-10-13 21:23:19,158 INFO L443 ceAbstractionStarter]: For program point L824-1(lines 805 829) no Hoare annotation was computed. [2019-10-13 21:23:19,158 INFO L446 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2019-10-13 21:23:19,158 INFO L446 ceAbstractionStarter]: At program point L815(line 815) the Hoare annotation is: true [2019-10-13 21:23:19,159 INFO L443 ceAbstractionStarter]: For program point L813(lines 813 821) no Hoare annotation was computed. [2019-10-13 21:23:19,159 INFO L446 ceAbstractionStarter]: At program point L811(line 811) the Hoare annotation is: true [2019-10-13 21:23:19,159 INFO L443 ceAbstractionStarter]: For program point L811-1(line 811) no Hoare annotation was computed. [2019-10-13 21:23:19,159 INFO L446 ceAbstractionStarter]: At program point processEnvironment__role__highWaterSensorENTRY(lines 805 829) the Hoare annotation is: true [2019-10-13 21:23:19,159 INFO L443 ceAbstractionStarter]: For program point L809(lines 809 826) no Hoare annotation was computed. [2019-10-13 21:23:19,159 INFO L443 ceAbstractionStarter]: For program point processEnvironment__role__highWaterSensorEXIT(lines 805 829) no Hoare annotation was computed. [2019-10-13 21:23:19,159 INFO L443 ceAbstractionStarter]: For program point L1067(lines 1067 1071) no Hoare annotation was computed. [2019-10-13 21:23:19,159 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 1058 1076) the Hoare annotation is: true [2019-10-13 21:23:19,159 INFO L446 ceAbstractionStarter]: At program point L1065(line 1065) the Hoare annotation is: true [2019-10-13 21:23:19,160 INFO L443 ceAbstractionStarter]: For program point L1067-2(lines 1067 1071) no Hoare annotation was computed. [2019-10-13 21:23:19,160 INFO L443 ceAbstractionStarter]: For program point L1065-1(line 1065) no Hoare annotation was computed. [2019-10-13 21:23:19,160 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 1058 1076) no Hoare annotation was computed. [2019-10-13 21:23:19,160 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 1058 1076) no Hoare annotation was computed. [2019-10-13 21:23:19,160 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 274 289) no Hoare annotation was computed. [2019-10-13 21:23:19,160 INFO L446 ceAbstractionStarter]: At program point L285(line 285) the Hoare annotation is: true [2019-10-13 21:23:19,160 INFO L446 ceAbstractionStarter]: At program point L284(line 284) the Hoare annotation is: true [2019-10-13 21:23:19,161 INFO L443 ceAbstractionStarter]: For program point L285-1(line 285) no Hoare annotation was computed. [2019-10-13 21:23:19,161 INFO L446 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: true [2019-10-13 21:23:19,161 INFO L443 ceAbstractionStarter]: For program point L284-1(line 284) no Hoare annotation was computed. [2019-10-13 21:23:19,161 INFO L446 ceAbstractionStarter]: At program point L282(line 282) the Hoare annotation is: true [2019-10-13 21:23:19,161 INFO L443 ceAbstractionStarter]: For program point L283-1(line 283) no Hoare annotation was computed. [2019-10-13 21:23:19,161 INFO L446 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: true [2019-10-13 21:23:19,161 INFO L443 ceAbstractionStarter]: For program point L282-1(line 282) no Hoare annotation was computed. [2019-10-13 21:23:19,161 INFO L446 ceAbstractionStarter]: At program point L280(line 280) the Hoare annotation is: true [2019-10-13 21:23:19,162 INFO L443 ceAbstractionStarter]: For program point L281-1(line 281) no Hoare annotation was computed. [2019-10-13 21:23:19,162 INFO L443 ceAbstractionStarter]: For program point L280-1(line 280) no Hoare annotation was computed. [2019-10-13 21:23:19,162 INFO L443 ceAbstractionStarter]: For program point select_featuresFINAL(lines 274 289) no Hoare annotation was computed. [2019-10-13 21:23:19,162 INFO L446 ceAbstractionStarter]: At program point select_featuresENTRY(lines 274 289) the Hoare annotation is: true [2019-10-13 21:23:19,162 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 636 681) no Hoare annotation was computed. [2019-10-13 21:23:19,162 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 663) no Hoare annotation was computed. [2019-10-13 21:23:19,162 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 636 681) no Hoare annotation was computed. [2019-10-13 21:23:19,162 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 670) no Hoare annotation was computed. [2019-10-13 21:23:19,163 INFO L443 ceAbstractionStarter]: For program point L650-1(lines 650 670) no Hoare annotation was computed. [2019-10-13 21:23:19,163 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 636 681) no Hoare annotation was computed. [2019-10-13 21:23:19,163 INFO L443 ceAbstractionStarter]: For program point L946-1(line 946) no Hoare annotation was computed. [2019-10-13 21:23:19,163 INFO L443 ceAbstractionStarter]: For program point activatePump__role__methaneQueryEXIT(lines 941 957) no Hoare annotation was computed. [2019-10-13 21:23:19,163 INFO L446 ceAbstractionStarter]: At program point L952(line 952) the Hoare annotation is: true [2019-10-13 21:23:19,163 INFO L443 ceAbstractionStarter]: For program point L952-1(lines 941 957) no Hoare annotation was computed. [2019-10-13 21:23:19,163 INFO L446 ceAbstractionStarter]: At program point activatePump__role__methaneQueryENTRY(lines 941 957) the Hoare annotation is: true [2019-10-13 21:23:19,163 INFO L443 ceAbstractionStarter]: For program point L948(lines 948 954) no Hoare annotation was computed. [2019-10-13 21:23:19,163 INFO L446 ceAbstractionStarter]: At program point L946(line 946) the Hoare annotation is: true [2019-10-13 21:23:19,164 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 145) no Hoare annotation was computed. [2019-10-13 21:23:19,164 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 135 148) no Hoare annotation was computed. [2019-10-13 21:23:19,164 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 135 148) the Hoare annotation is: true [2019-10-13 21:23:19,164 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 135 148) no Hoare annotation was computed. [2019-10-13 21:23:19,164 INFO L446 ceAbstractionStarter]: At program point L927(line 927) the Hoare annotation is: true [2019-10-13 21:23:19,164 INFO L446 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2019-10-13 21:23:19,164 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 916 932) no Hoare annotation was computed. [2019-10-13 21:23:19,164 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 916 932) the Hoare annotation is: true [2019-10-13 21:23:19,165 INFO L443 ceAbstractionStarter]: For program point processEnvironmentFINAL(lines 916 932) no Hoare annotation was computed. [2019-10-13 21:23:19,165 INFO L443 ceAbstractionStarter]: For program point L737(lines 737 747) no Hoare annotation was computed. [2019-10-13 21:23:19,165 INFO L446 ceAbstractionStarter]: At program point L737-1(lines 725 748) the Hoare annotation is: true [2019-10-13 21:23:19,165 INFO L443 ceAbstractionStarter]: For program point L696(lines 695 752) no Hoare annotation was computed. [2019-10-13 21:23:19,165 INFO L443 ceAbstractionStarter]: For program point L725(lines 725 748) no Hoare annotation was computed. [2019-10-13 21:23:19,165 INFO L446 ceAbstractionStarter]: At program point L750(lines 695 752) the Hoare annotation is: true [2019-10-13 21:23:19,165 INFO L446 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2019-10-13 21:23:19,165 INFO L443 ceAbstractionStarter]: For program point L738(lines 738 744) no Hoare annotation was computed. [2019-10-13 21:23:19,165 INFO L443 ceAbstractionStarter]: For program point L705(lines 705 711) no Hoare annotation was computed. [2019-10-13 21:23:19,166 INFO L443 ceAbstractionStarter]: For program point L705-1(lines 705 711) no Hoare annotation was computed. [2019-10-13 21:23:19,166 INFO L443 ceAbstractionStarter]: For program point L697(lines 697 701) no Hoare annotation was computed. [2019-10-13 21:23:19,166 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2019-10-13 21:23:19,166 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 685 760) no Hoare annotation was computed. [2019-10-13 21:23:19,166 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 685 760) the Hoare annotation is: true [2019-10-13 21:23:19,166 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 685 760) no Hoare annotation was computed. [2019-10-13 21:23:19,166 INFO L443 ceAbstractionStarter]: For program point L715(lines 715 721) no Hoare annotation was computed. [2019-10-13 21:23:19,166 INFO L443 ceAbstractionStarter]: For program point L715-1(lines 715 721) no Hoare annotation was computed. [2019-10-13 21:23:19,166 INFO L446 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: true [2019-10-13 21:23:19,167 INFO L446 ceAbstractionStarter]: At program point L707(line 707) the Hoare annotation is: true [2019-10-13 21:23:19,167 INFO L446 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: true [2019-10-13 21:23:19,167 INFO L446 ceAbstractionStarter]: At program point L753(lines 694 754) the Hoare annotation is: true [2019-10-13 21:23:19,167 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 149 157) no Hoare annotation was computed. [2019-10-13 21:23:19,167 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 149 157) the Hoare annotation is: true [2019-10-13 21:23:19,167 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 149 157) no Hoare annotation was computed. [2019-10-13 21:23:19,167 INFO L446 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: true [2019-10-13 21:23:19,167 INFO L443 ceAbstractionStarter]: For program point processEnvironment__role__methaneAlarmEXIT(lines 891 915) no Hoare annotation was computed. [2019-10-13 21:23:19,167 INFO L443 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2019-10-13 21:23:19,168 INFO L443 ceAbstractionStarter]: For program point L895(lines 895 912) no Hoare annotation was computed. [2019-10-13 21:23:19,168 INFO L446 ceAbstractionStarter]: At program point processEnvironment__role__methaneAlarmENTRY(lines 891 915) the Hoare annotation is: true [2019-10-13 21:23:19,168 INFO L446 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: true [2019-10-13 21:23:19,168 INFO L443 ceAbstractionStarter]: For program point L910-1(lines 891 915) no Hoare annotation was computed. [2019-10-13 21:23:19,168 INFO L446 ceAbstractionStarter]: At program point L905(line 905) the Hoare annotation is: true [2019-10-13 21:23:19,168 INFO L446 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: true [2019-10-13 21:23:19,168 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 907) no Hoare annotation was computed. [2019-10-13 21:23:19,168 INFO L443 ceAbstractionStarter]: For program point activatePump__before__methaneQueryFINAL(lines 933 940) no Hoare annotation was computed. [2019-10-13 21:23:19,169 INFO L446 ceAbstractionStarter]: At program point activatePump__before__methaneQueryENTRY(lines 933 940) the Hoare annotation is: true [2019-10-13 21:23:19,169 INFO L443 ceAbstractionStarter]: For program point activatePump__before__methaneQueryEXIT(lines 933 940) no Hoare annotation was computed. [2019-10-13 21:23:19,169 INFO L443 ceAbstractionStarter]: For program point L111(lines 111 119) no Hoare annotation was computed. [2019-10-13 21:23:19,169 INFO L443 ceAbstractionStarter]: For program point L111-2(lines 111 119) no Hoare annotation was computed. [2019-10-13 21:23:19,169 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 103 125) no Hoare annotation was computed. [2019-10-13 21:23:19,169 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 103 125) no Hoare annotation was computed. [2019-10-13 21:23:19,169 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 103 125) no Hoare annotation was computed. [2019-10-13 21:23:19,169 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 958 974) no Hoare annotation was computed. [2019-10-13 21:23:19,169 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 958 974) no Hoare annotation was computed. [2019-10-13 21:23:19,170 INFO L446 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: true [2019-10-13 21:23:19,170 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 958 974) the Hoare annotation is: true [2019-10-13 21:23:19,170 INFO L446 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: true [2019-10-13 21:23:19,170 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 126 134) the Hoare annotation is: true [2019-10-13 21:23:19,170 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 126 134) no Hoare annotation was computed. [2019-10-13 21:23:19,170 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 126 134) no Hoare annotation was computed. [2019-10-13 21:23:19,170 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 1039 1057) no Hoare annotation was computed. [2019-10-13 21:23:19,170 INFO L443 ceAbstractionStarter]: For program point L1048(lines 1048 1052) no Hoare annotation was computed. [2019-10-13 21:23:19,171 INFO L446 ceAbstractionStarter]: At program point L1046(line 1046) the Hoare annotation is: true [2019-10-13 21:23:19,171 INFO L443 ceAbstractionStarter]: For program point L1048-2(lines 1048 1052) no Hoare annotation was computed. [2019-10-13 21:23:19,171 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 1039 1057) the Hoare annotation is: true [2019-10-13 21:23:19,171 INFO L443 ceAbstractionStarter]: For program point L1046-1(line 1046) no Hoare annotation was computed. [2019-10-13 21:23:19,171 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 1039 1057) no Hoare annotation was computed. [2019-10-13 21:23:19,171 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 94 102) the Hoare annotation is: true [2019-10-13 21:23:19,171 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 94 102) no Hoare annotation was computed. [2019-10-13 21:23:19,172 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 94 102) no Hoare annotation was computed. [2019-10-13 21:23:19,172 INFO L446 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: true [2019-10-13 21:23:19,172 INFO L446 ceAbstractionStarter]: At program point L784(lines 784 790) the Hoare annotation is: true [2019-10-13 21:23:19,172 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 770 796) the Hoare annotation is: true [2019-10-13 21:23:19,172 INFO L446 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2019-10-13 21:23:19,172 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 770 796) no Hoare annotation was computed. [2019-10-13 21:23:19,172 INFO L443 ceAbstractionStarter]: For program point L777(lines 773 795) no Hoare annotation was computed. [2019-10-13 21:23:19,172 INFO L443 ceAbstractionStarter]: For program point L775(lines 773 795) no Hoare annotation was computed. [2019-10-13 21:23:19,173 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 770 796) no Hoare annotation was computed. [2019-10-13 21:23:19,173 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 161 190) no Hoare annotation was computed. [2019-10-13 21:23:19,173 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 161 190) the Hoare annotation is: true [2019-10-13 21:23:19,173 INFO L446 ceAbstractionStarter]: At program point L186(lines 161 190) the Hoare annotation is: true [2019-10-13 21:23:19,173 INFO L443 ceAbstractionStarter]: For program point L182(line 182) no Hoare annotation was computed. [2019-10-13 21:23:19,173 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 179) no Hoare annotation was computed. [2019-10-13 21:23:19,173 INFO L446 ceAbstractionStarter]: At program point L175-1(lines 175 179) the Hoare annotation is: true [2019-10-13 21:23:19,173 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-13 21:23:19,174 INFO L446 ceAbstractionStarter]: At program point L171-2(lines 171 185) the Hoare annotation is: true [2019-10-13 21:23:19,174 INFO L446 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: true [2019-10-13 21:23:19,174 INFO L443 ceAbstractionStarter]: For program point L167-1(line 167) no Hoare annotation was computed. [2019-10-13 21:23:19,174 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 58 69) the Hoare annotation is: true [2019-10-13 21:23:19,174 INFO L443 ceAbstractionStarter]: For program point L62-1(lines 58 69) no Hoare annotation was computed. [2019-10-13 21:23:19,174 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 58 69) no Hoare annotation was computed. [2019-10-13 21:23:19,174 INFO L446 ceAbstractionStarter]: At program point processEnvironment__before__highWaterSensorFINAL(lines 797 803) the Hoare annotation is: true [2019-10-13 21:23:19,174 INFO L443 ceAbstractionStarter]: For program point processEnvironment__before__highWaterSensorEXIT(lines 797 803) no Hoare annotation was computed. [2019-10-13 21:23:19,174 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 1092 1099) no Hoare annotation was computed. [2019-10-13 21:23:19,175 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 1092 1099) the Hoare annotation is: true [2019-10-13 21:23:19,175 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 1092 1099) no Hoare annotation was computed. [2019-10-13 21:23:19,175 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2019-10-13 21:23:19,175 INFO L443 ceAbstractionStarter]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2019-10-13 21:23:19,175 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: true [2019-10-13 21:23:19,175 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 308 315) no Hoare annotation was computed. [2019-10-13 21:23:19,175 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 308 315) the Hoare annotation is: true [2019-10-13 21:23:19,175 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 308 315) no Hoare annotation was computed. [2019-10-13 21:23:19,176 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 312) no Hoare annotation was computed. [2019-10-13 21:23:19,176 INFO L443 ceAbstractionStarter]: For program point processEnvironment__before__methaneAlarmFINAL(lines 873 889) no Hoare annotation was computed. [2019-10-13 21:23:19,176 INFO L446 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: true [2019-10-13 21:23:19,176 INFO L443 ceAbstractionStarter]: For program point processEnvironment__before__methaneAlarmEXIT(lines 873 889) no Hoare annotation was computed. [2019-10-13 21:23:19,176 INFO L446 ceAbstractionStarter]: At program point processEnvironment__before__methaneAlarmENTRY(lines 873 889) the Hoare annotation is: true [2019-10-13 21:23:19,176 INFO L446 ceAbstractionStarter]: At program point L884(line 884) the Hoare annotation is: true [2019-10-13 21:23:19,176 INFO L446 ceAbstractionStarter]: At program point select_helpersENTRY(lines 290 297) the Hoare annotation is: true [2019-10-13 21:23:19,177 INFO L443 ceAbstractionStarter]: For program point select_helpersFINAL(lines 290 297) no Hoare annotation was computed. [2019-10-13 21:23:19,177 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 290 297) no Hoare annotation was computed. [2019-10-13 21:23:19,177 INFO L446 ceAbstractionStarter]: At program point L862(line 862) the Hoare annotation is: true [2019-10-13 21:23:19,177 INFO L446 ceAbstractionStarter]: At program point L858(line 858) the Hoare annotation is: true [2019-10-13 21:23:19,177 INFO L443 ceAbstractionStarter]: For program point L856(lines 856 864) no Hoare annotation was computed. [2019-10-13 21:23:19,177 INFO L446 ceAbstractionStarter]: At program point L854(line 854) the Hoare annotation is: true [2019-10-13 21:23:19,177 INFO L443 ceAbstractionStarter]: For program point L854-1(line 854) no Hoare annotation was computed. [2019-10-13 21:23:19,177 INFO L443 ceAbstractionStarter]: For program point L852(lines 852 869) no Hoare annotation was computed. [2019-10-13 21:23:19,178 INFO L443 ceAbstractionStarter]: For program point processEnvironment__role__lowWaterSensorEXIT(lines 848 872) no Hoare annotation was computed. [2019-10-13 21:23:19,178 INFO L446 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: true [2019-10-13 21:23:19,178 INFO L446 ceAbstractionStarter]: At program point processEnvironment__role__lowWaterSensorENTRY(lines 848 872) the Hoare annotation is: true [2019-10-13 21:23:19,178 INFO L443 ceAbstractionStarter]: For program point L867-1(lines 848 872) no Hoare annotation was computed. [2019-10-13 21:23:19,178 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 1102 1109) the Hoare annotation is: true [2019-10-13 21:23:19,178 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 1102 1109) no Hoare annotation was computed. [2019-10-13 21:23:19,178 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 1102 1109) no Hoare annotation was computed. [2019-10-13 21:23:19,179 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 1110 1119) the Hoare annotation is: true [2019-10-13 21:23:19,179 INFO L443 ceAbstractionStarter]: For program point L1115(line 1115) no Hoare annotation was computed. [2019-10-13 21:23:19,179 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 1110 1119) no Hoare annotation was computed. [2019-10-13 21:23:19,179 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 1110 1119) no Hoare annotation was computed. [2019-10-13 21:23:19,179 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 1120 1148) the Hoare annotation is: true [2019-10-13 21:23:19,179 INFO L446 ceAbstractionStarter]: At program point L1135(line 1135) the Hoare annotation is: true [2019-10-13 21:23:19,179 INFO L443 ceAbstractionStarter]: For program point L1133(lines 1133 1139) no Hoare annotation was computed. [2019-10-13 21:23:19,179 INFO L443 ceAbstractionStarter]: For program point L1132(lines 1132 1142) no Hoare annotation was computed. [2019-10-13 21:23:19,179 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 1120 1148) no Hoare annotation was computed. [2019-10-13 21:23:19,180 INFO L446 ceAbstractionStarter]: At program point L1130(line 1130) the Hoare annotation is: true [2019-10-13 21:23:19,180 INFO L443 ceAbstractionStarter]: For program point L1130-1(line 1130) no Hoare annotation was computed. [2019-10-13 21:23:19,180 INFO L443 ceAbstractionStarter]: For program point L1128(lines 1128 1145) no Hoare annotation was computed. [2019-10-13 21:23:19,180 INFO L443 ceAbstractionStarter]: For program point L1128-1(lines 1120 1148) no Hoare annotation was computed. [2019-10-13 21:23:19,180 INFO L446 ceAbstractionStarter]: At program point L1126(line 1126) the Hoare annotation is: true [2019-10-13 21:23:19,180 INFO L443 ceAbstractionStarter]: For program point L1126-1(line 1126) no Hoare annotation was computed. [2019-10-13 21:23:19,180 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 994 1002) no Hoare annotation was computed. [2019-10-13 21:23:19,180 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 994 1002) the Hoare annotation is: true [2019-10-13 21:23:19,180 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 994 1002) no Hoare annotation was computed. [2019-10-13 21:23:19,181 INFO L446 ceAbstractionStarter]: At program point processEnvironment__before__lowWaterSensorENTRY(lines 830 846) the Hoare annotation is: true [2019-10-13 21:23:19,181 INFO L446 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: true [2019-10-13 21:23:19,181 INFO L443 ceAbstractionStarter]: For program point processEnvironment__before__lowWaterSensorFINAL(lines 830 846) no Hoare annotation was computed. [2019-10-13 21:23:19,181 INFO L446 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: true [2019-10-13 21:23:19,181 INFO L443 ceAbstractionStarter]: For program point processEnvironment__before__lowWaterSensorEXIT(lines 830 846) no Hoare annotation was computed. [2019-10-13 21:23:19,181 INFO L443 ceAbstractionStarter]: For program point L1022(lines 1022 1030) no Hoare annotation was computed. [2019-10-13 21:23:19,181 INFO L443 ceAbstractionStarter]: For program point L1022-2(lines 1022 1030) no Hoare annotation was computed. [2019-10-13 21:23:19,181 INFO L443 ceAbstractionStarter]: For program point L1010(lines 1010 1018) no Hoare annotation was computed. [2019-10-13 21:23:19,182 INFO L443 ceAbstractionStarter]: For program point L1010-2(lines 1010 1018) no Hoare annotation was computed. [2019-10-13 21:23:19,182 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 1003 1038) no Hoare annotation was computed. [2019-10-13 21:23:19,182 INFO L443 ceAbstractionStarter]: For program point L1033(line 1033) no Hoare annotation was computed. [2019-10-13 21:23:19,182 INFO L443 ceAbstractionStarter]: For program point L1033-1(line 1033) no Hoare annotation was computed. [2019-10-13 21:23:19,182 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 1003 1038) no Hoare annotation was computed. [2019-10-13 21:23:19,182 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 1003 1038) no Hoare annotation was computed. [2019-10-13 21:23:19,182 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 323 368) no Hoare annotation was computed. [2019-10-13 21:23:19,182 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 323 368) no Hoare annotation was computed. [2019-10-13 21:23:19,182 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 323 368) no Hoare annotation was computed. [2019-10-13 21:23:19,183 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 225 235) the Hoare annotation is: true [2019-10-13 21:23:19,183 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 225 235) no Hoare annotation was computed. [2019-10-13 21:23:19,183 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 225 235) no Hoare annotation was computed. [2019-10-13 21:23:19,183 INFO L446 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: true [2019-10-13 21:23:19,183 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 983 993) the Hoare annotation is: true [2019-10-13 21:23:19,183 INFO L446 ceAbstractionStarter]: At program point L988(line 988) the Hoare annotation is: true [2019-10-13 21:23:19,183 INFO L443 ceAbstractionStarter]: For program point L988-1(line 988) no Hoare annotation was computed. [2019-10-13 21:23:19,183 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 983 993) no Hoare annotation was computed. [2019-10-13 21:23:19,184 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 983 993) no Hoare annotation was computed. [2019-10-13 21:23:19,184 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 975 982) the Hoare annotation is: true [2019-10-13 21:23:19,184 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 975 982) no Hoare annotation was computed. [2019-10-13 21:23:19,184 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 975 982) no Hoare annotation was computed. [2019-10-13 21:23:19,184 INFO L443 ceAbstractionStarter]: For program point L604(lines 604 624) no Hoare annotation was computed. [2019-10-13 21:23:19,184 INFO L443 ceAbstractionStarter]: For program point L604-1(lines 604 624) no Hoare annotation was computed. [2019-10-13 21:23:19,184 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 590 635) no Hoare annotation was computed. [2019-10-13 21:23:19,185 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 590 635) no Hoare annotation was computed. [2019-10-13 21:23:19,185 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 590 635) no Hoare annotation was computed. [2019-10-13 21:23:19,185 INFO L443 ceAbstractionStarter]: For program point L610(lines 610 617) no Hoare annotation was computed. [2019-10-13 21:23:19,185 INFO L446 ceAbstractionStarter]: At program point select_oneENTRY(lines 264 273) the Hoare annotation is: true [2019-10-13 21:23:19,185 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 264 273) no Hoare annotation was computed. [2019-10-13 21:23:19,185 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 264 273) no Hoare annotation was computed. [2019-10-13 21:23:19,185 INFO L443 ceAbstractionStarter]: For program point L576(lines 576 583) no Hoare annotation was computed. [2019-10-13 21:23:19,185 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 487 589) no Hoare annotation was computed. [2019-10-13 21:23:19,185 INFO L443 ceAbstractionStarter]: For program point L537(lines 536 556) no Hoare annotation was computed. [2019-10-13 21:23:19,186 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-13 21:23:19,186 INFO L443 ceAbstractionStarter]: For program point L568-1(line 568) no Hoare annotation was computed. [2019-10-13 21:23:19,186 INFO L443 ceAbstractionStarter]: For program point L533(lines 533 574) no Hoare annotation was computed. [2019-10-13 21:23:19,186 INFO L443 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2019-10-13 21:23:19,186 INFO L443 ceAbstractionStarter]: For program point L552-1(line 552) no Hoare annotation was computed. [2019-10-13 21:23:19,186 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 487 589) no Hoare annotation was computed. [2019-10-13 21:23:19,186 INFO L443 ceAbstractionStarter]: For program point L511(lines 511 515) no Hoare annotation was computed. [2019-10-13 21:23:19,186 INFO L443 ceAbstractionStarter]: For program point L575(lines 575 586) no Hoare annotation was computed. [2019-10-13 21:23:19,187 INFO L443 ceAbstractionStarter]: For program point L538(lines 538 542) no Hoare annotation was computed. [2019-10-13 21:23:19,187 INFO L443 ceAbstractionStarter]: For program point L536-2(lines 536 556) no Hoare annotation was computed. [2019-10-13 21:23:19,187 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 487 589) no Hoare annotation was computed. [2019-10-13 21:23:19,187 INFO L443 ceAbstractionStarter]: For program point L557(lines 535 558) no Hoare annotation was computed. [2019-10-13 21:23:19,187 INFO L443 ceAbstractionStarter]: For program point L516(lines 516 532) no Hoare annotation was computed. [2019-10-13 21:23:19,187 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:19,188 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-13 21:23:19,188 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:19,188 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: true [2019-10-13 21:23:19,188 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2019-10-13 21:23:19,188 INFO L443 ceAbstractionStarter]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2019-10-13 21:23:19,188 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:19,188 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:23:19,188 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:19,188 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 216 222) no Hoare annotation was computed. [2019-10-13 21:23:19,189 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 216 222) the Hoare annotation is: true [2019-10-13 21:23:19,189 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:19,189 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:23:19,189 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:23:19,189 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:19,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:23:19 BoogieIcfgContainer [2019-10-13 21:23:19,200 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:23:19,203 INFO L168 Benchmark]: Toolchain (without parser) took 14253.71 ms. Allocated memory was 137.4 MB in the beginning and 468.7 MB in the end (delta: 331.4 MB). Free memory was 101.2 MB in the beginning and 234.9 MB in the end (delta: -133.8 MB). Peak memory consumption was 366.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:19,204 INFO L168 Benchmark]: CDTParser took 0.21 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: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 21:23:19,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.96 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.9 MB in the beginning and 163.7 MB in the end (delta: -62.8 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:19,210 INFO L168 Benchmark]: Boogie Preprocessor took 108.79 ms. Allocated memory is still 201.3 MB. Free memory was 163.7 MB in the beginning and 159.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:19,211 INFO L168 Benchmark]: RCFGBuilder took 1269.46 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 159.5 MB in the beginning and 179.9 MB in the end (delta: -20.4 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:19,212 INFO L168 Benchmark]: TraceAbstraction took 12185.82 ms. Allocated memory was 232.3 MB in the beginning and 468.7 MB in the end (delta: 236.5 MB). Free memory was 178.5 MB in the beginning and 234.9 MB in the end (delta: -56.5 MB). Peak memory consumption was 348.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:19,223 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 684.96 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.9 MB in the beginning and 163.7 MB in the end (delta: -62.8 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.79 ms. Allocated memory is still 201.3 MB. Free memory was 163.7 MB in the beginning and 159.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1269.46 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 159.5 MB in the beginning and 179.9 MB in the end (delta: -20.4 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12185.82 ms. Allocated memory was 232.3 MB in the beginning and 468.7 MB in the end (delta: 236.5 MB). Free memory was 178.5 MB in the beginning and 234.9 MB in the end (delta: -56.5 MB). Peak memory consumption was 348.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 312]: 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: 695]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 50 procedures, 308 locations, 1 error locations. Result: SAFE, OverallTime: 12.1s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, HoareTripleCheckerStatistics: 2646 SDtfs, 2231 SDslu, 5234 SDs, 0 SdLazy, 3014 SolverSat, 925 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 683 GetRequests, 619 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2702occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 364 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 96 LocationsWithAnnotation, 4168 PreInvPairs, 4169 NumberOfFragments, 106 HoareAnnotationTreeSize, 4168 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 96 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1705 NumberOfCodeBlocks, 1705 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2078 ConstructedInterpolants, 0 QuantifiedInterpolants, 550952 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2312 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 892/945 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 157, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8102564102564103, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...