/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:05:17,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:05:17,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:05:17,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:05:17,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:05:17,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:05:17,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:05:17,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:05:17,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:05:17,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:05:17,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:05:17,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:05:17,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:05:17,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:05:17,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:05:17,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:05:17,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:05:17,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:05:17,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:05:17,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:05:17,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:05:17,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:05:17,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:05:17,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:05:17,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:05:17,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:05:17,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:05:17,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:05:17,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:05:17,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:05:17,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:05:17,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:05:17,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:05:17,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:05:17,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:05:17,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:05:17,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:05:17,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:05:17,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:05:17,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:05:17,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:05:17,743 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 13:05:17,758 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:05:17,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:05:17,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:05:17,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:05:17,760 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:05:17,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:05:17,761 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:05:17,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:05:17,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:05:17,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:05:17,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:05:17,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:05:17,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:05:17,762 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:05:17,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:05:17,762 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:05:17,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:05:17,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:05:17,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:05:17,763 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:05:17,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:05:17,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:05:17,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:05:17,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:05:17,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:05:17,764 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:05:17,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:17,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:05:17,765 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:05:17,765 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 13:05:18,048 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:05:18,069 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:05:18,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:05:18,074 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:05:18,074 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:05:18,076 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2020-07-20 13:05:18,161 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcba84f0a/8681131cb01341cfa7114fab15f4f8db/FLAG8c9789657 [2020-07-20 13:05:18,720 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:05:18,721 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2020-07-20 13:05:18,745 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcba84f0a/8681131cb01341cfa7114fab15f4f8db/FLAG8c9789657 [2020-07-20 13:05:19,020 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcba84f0a/8681131cb01341cfa7114fab15f4f8db [2020-07-20 13:05:19,029 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:05:19,031 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:05:19,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:05:19,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:05:19,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:05:19,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:05:19" (1/1) ... [2020-07-20 13:05:19,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@233d33b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:19, skipping insertion in model container [2020-07-20 13:05:19,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:05:19" (1/1) ... [2020-07-20 13:05:19,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:05:19,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:05:19,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:05:19,579 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:05:19,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:05:19,736 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:05:19,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:19 WrapperNode [2020-07-20 13:05:19,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:05:19,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:05:19,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:05:19,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:05:19,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:19" (1/1) ... [2020-07-20 13:05:19,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:19" (1/1) ... [2020-07-20 13:05:19,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:19" (1/1) ... [2020-07-20 13:05:19,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:19" (1/1) ... [2020-07-20 13:05:19,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:19" (1/1) ... [2020-07-20 13:05:19,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:19" (1/1) ... [2020-07-20 13:05:19,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:19" (1/1) ... [2020-07-20 13:05:19,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:05:19,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:05:19,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:05:19,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:05:19,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:05:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:05:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:05:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:05:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 13:05:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 13:05:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 13:05:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:05:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:05:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:05:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:05:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:05:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:05:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:05:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:05:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:05:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:05:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:05:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:05:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:05:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:05:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 13:05:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:05:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 13:05:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:05:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:05:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:05:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:05:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:05:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 13:05:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 13:05:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 13:05:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:05:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:05:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:05:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:05:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:05:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:05:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 13:05:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 13:05:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:05:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:05:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:05:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:05:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:05:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:05:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:05:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:05:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:05:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:05:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:05:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:05:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 13:05:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 13:05:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 13:05:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:05:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:05:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:05:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:05:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:05:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:05:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 13:05:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:05:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:05:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:05:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:05:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:05:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:05:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:05:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:05:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:05:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:05:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:05:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 13:05:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 13:05:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:05:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:05:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:05:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:05:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 13:05:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:05:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 13:05:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 13:05:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:05:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 13:05:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:05:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:05:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:05:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:05:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:05:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:05:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:05:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:05:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:05:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:05:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:05:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:05:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:05:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:05:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:05:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:05:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:05:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:05:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:05:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:05:21,001 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:05:21,001 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:05:21,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:05:21 BoogieIcfgContainer [2020-07-20 13:05:21,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:05:21,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:05:21,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:05:21,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:05:21,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:05:19" (1/3) ... [2020-07-20 13:05:21,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7529f5fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:05:21, skipping insertion in model container [2020-07-20 13:05:21,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:19" (2/3) ... [2020-07-20 13:05:21,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7529f5fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:05:21, skipping insertion in model container [2020-07-20 13:05:21,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:05:21" (3/3) ... [2020-07-20 13:05:21,019 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product63.cil.c [2020-07-20 13:05:21,030 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:05:21,038 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:05:21,049 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:05:21,074 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:05:21,074 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:05:21,074 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:05:21,074 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:05:21,075 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:05:21,075 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:05:21,075 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:05:21,075 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:05:21,097 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states. [2020-07-20 13:05:21,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 13:05:21,109 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:21,110 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:21,111 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:21,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:21,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1893311162, now seen corresponding path program 1 times [2020-07-20 13:05:21,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:21,127 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [407411793] [2020-07-20 13:05:21,128 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:21,633 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:21,634 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:21,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:05:21,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:21,683 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:05:21,684 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:21,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [407411793] [2020-07-20 13:05:21,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:21,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:05:21,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490445836] [2020-07-20 13:05:21,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:05:21,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:21,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:05:21,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:05:21,712 INFO L87 Difference]: Start difference. First operand 212 states. Second operand 2 states. [2020-07-20 13:05:21,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:21,762 INFO L93 Difference]: Finished difference Result 334 states and 415 transitions. [2020-07-20 13:05:21,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:05:21,764 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 13:05:21,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:21,780 INFO L225 Difference]: With dead ends: 334 [2020-07-20 13:05:21,780 INFO L226 Difference]: Without dead ends: 169 [2020-07-20 13:05:21,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:05:21,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-07-20 13:05:21,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2020-07-20 13:05:21,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-07-20 13:05:21,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 201 transitions. [2020-07-20 13:05:21,857 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 201 transitions. Word has length 59 [2020-07-20 13:05:21,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:21,857 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 201 transitions. [2020-07-20 13:05:21,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:05:21,858 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 201 transitions. [2020-07-20 13:05:21,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 13:05:21,862 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:21,863 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:22,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:22,076 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:22,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:22,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1978801715, now seen corresponding path program 1 times [2020-07-20 13:05:22,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:22,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1988147694] [2020-07-20 13:05:22,079 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:22,433 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:22,434 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:22,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:05:22,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:22,494 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:05:22,495 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:22,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1988147694] [2020-07-20 13:05:22,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:22,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:05:22,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619255501] [2020-07-20 13:05:22,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:05:22,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:22,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:05:22,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:22,499 INFO L87 Difference]: Start difference. First operand 169 states and 201 transitions. Second operand 3 states. [2020-07-20 13:05:22,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:22,546 INFO L93 Difference]: Finished difference Result 277 states and 329 transitions. [2020-07-20 13:05:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:05:22,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 13:05:22,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:22,554 INFO L225 Difference]: With dead ends: 277 [2020-07-20 13:05:22,557 INFO L226 Difference]: Without dead ends: 160 [2020-07-20 13:05:22,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:22,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-20 13:05:22,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2020-07-20 13:05:22,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-07-20 13:05:22,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 189 transitions. [2020-07-20 13:05:22,575 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 189 transitions. Word has length 60 [2020-07-20 13:05:22,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:22,576 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 189 transitions. [2020-07-20 13:05:22,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:05:22,576 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 189 transitions. [2020-07-20 13:05:22,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 13:05:22,579 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:22,579 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:22,785 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:22,786 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:22,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:22,787 INFO L82 PathProgramCache]: Analyzing trace with hash -532508270, now seen corresponding path program 1 times [2020-07-20 13:05:22,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:22,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [130614038] [2020-07-20 13:05:22,788 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:23,217 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:23,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:23,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:05:23,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:23,272 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:23,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:23,273 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [130614038] [2020-07-20 13:05:23,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:23,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:05:23,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138458626] [2020-07-20 13:05:23,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:05:23,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:23,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:05:23,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:23,277 INFO L87 Difference]: Start difference. First operand 160 states and 189 transitions. Second operand 3 states. [2020-07-20 13:05:23,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:23,320 INFO L93 Difference]: Finished difference Result 422 states and 511 transitions. [2020-07-20 13:05:23,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:05:23,321 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-20 13:05:23,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:23,325 INFO L225 Difference]: With dead ends: 422 [2020-07-20 13:05:23,325 INFO L226 Difference]: Without dead ends: 290 [2020-07-20 13:05:23,327 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:23,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-07-20 13:05:23,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 286. [2020-07-20 13:05:23,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-07-20 13:05:23,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 345 transitions. [2020-07-20 13:05:23,364 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 345 transitions. Word has length 64 [2020-07-20 13:05:23,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:23,365 INFO L479 AbstractCegarLoop]: Abstraction has 286 states and 345 transitions. [2020-07-20 13:05:23,365 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:05:23,365 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 345 transitions. [2020-07-20 13:05:23,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 13:05:23,369 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:23,369 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:23,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:23,585 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:23,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:23,586 INFO L82 PathProgramCache]: Analyzing trace with hash 216340368, now seen corresponding path program 1 times [2020-07-20 13:05:23,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:23,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1232539201] [2020-07-20 13:05:23,587 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:24,007 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:24,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:24,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:05:24,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:24,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:24,067 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:24,067 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1232539201] [2020-07-20 13:05:24,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:24,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:05:24,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534246790] [2020-07-20 13:05:24,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:05:24,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:24,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:05:24,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:05:24,076 INFO L87 Difference]: Start difference. First operand 286 states and 345 transitions. Second operand 6 states. [2020-07-20 13:05:24,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:24,353 INFO L93 Difference]: Finished difference Result 692 states and 867 transitions. [2020-07-20 13:05:24,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:05:24,354 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 13:05:24,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:24,359 INFO L225 Difference]: With dead ends: 692 [2020-07-20 13:05:24,359 INFO L226 Difference]: Without dead ends: 434 [2020-07-20 13:05:24,361 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:05:24,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-07-20 13:05:24,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 424. [2020-07-20 13:05:24,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-07-20 13:05:24,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 509 transitions. [2020-07-20 13:05:24,397 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 509 transitions. Word has length 70 [2020-07-20 13:05:24,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:24,397 INFO L479 AbstractCegarLoop]: Abstraction has 424 states and 509 transitions. [2020-07-20 13:05:24,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:05:24,397 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 509 transitions. [2020-07-20 13:05:24,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-20 13:05:24,402 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:24,402 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:24,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:24,618 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:24,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:24,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1357993179, now seen corresponding path program 1 times [2020-07-20 13:05:24,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:24,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [572719034] [2020-07-20 13:05:24,620 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:24,991 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:24,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:24,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:05:25,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:25,037 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:25,037 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:25,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [572719034] [2020-07-20 13:05:25,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:25,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:05:25,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005818489] [2020-07-20 13:05:25,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:05:25,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:25,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:05:25,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:05:25,040 INFO L87 Difference]: Start difference. First operand 424 states and 509 transitions. Second operand 6 states. [2020-07-20 13:05:25,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:25,084 INFO L93 Difference]: Finished difference Result 834 states and 1040 transitions. [2020-07-20 13:05:25,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:05:25,084 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2020-07-20 13:05:25,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:25,088 INFO L225 Difference]: With dead ends: 834 [2020-07-20 13:05:25,088 INFO L226 Difference]: Without dead ends: 438 [2020-07-20 13:05:25,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:05:25,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-07-20 13:05:25,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 434. [2020-07-20 13:05:25,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-07-20 13:05:25,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 519 transitions. [2020-07-20 13:05:25,114 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 519 transitions. Word has length 112 [2020-07-20 13:05:25,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:25,114 INFO L479 AbstractCegarLoop]: Abstraction has 434 states and 519 transitions. [2020-07-20 13:05:25,114 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:05:25,114 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 519 transitions. [2020-07-20 13:05:25,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-20 13:05:25,117 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:25,117 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:25,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:25,331 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:25,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:25,332 INFO L82 PathProgramCache]: Analyzing trace with hash 581168867, now seen corresponding path program 1 times [2020-07-20 13:05:25,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:25,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2100533188] [2020-07-20 13:05:25,334 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:25,667 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:25,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:25,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 13:05:25,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:25,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:25,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:25,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2100533188] [2020-07-20 13:05:25,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:25,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:05:25,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67277338] [2020-07-20 13:05:25,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:05:25,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:25,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:05:25,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:05:25,716 INFO L87 Difference]: Start difference. First operand 434 states and 519 transitions. Second operand 5 states. [2020-07-20 13:05:25,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:25,749 INFO L93 Difference]: Finished difference Result 854 states and 1060 transitions. [2020-07-20 13:05:25,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:05:25,749 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2020-07-20 13:05:25,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:25,753 INFO L225 Difference]: With dead ends: 854 [2020-07-20 13:05:25,753 INFO L226 Difference]: Without dead ends: 448 [2020-07-20 13:05:25,755 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:05:25,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-07-20 13:05:25,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2020-07-20 13:05:25,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-07-20 13:05:25,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 527 transitions. [2020-07-20 13:05:25,777 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 527 transitions. Word has length 112 [2020-07-20 13:05:25,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:25,778 INFO L479 AbstractCegarLoop]: Abstraction has 442 states and 527 transitions. [2020-07-20 13:05:25,778 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:05:25,778 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 527 transitions. [2020-07-20 13:05:25,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-20 13:05:25,780 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:25,781 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:25,994 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:25,995 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:25,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:25,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1350338882, now seen corresponding path program 1 times [2020-07-20 13:05:25,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:25,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1704353488] [2020-07-20 13:05:25,998 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:26,253 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 13:05:26,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:26,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 13:05:26,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:26,288 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:26,288 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:26,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1704353488] [2020-07-20 13:05:26,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:26,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:05:26,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650641894] [2020-07-20 13:05:26,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:05:26,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:26,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:05:26,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:26,291 INFO L87 Difference]: Start difference. First operand 442 states and 527 transitions. Second operand 3 states. [2020-07-20 13:05:26,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:26,354 INFO L93 Difference]: Finished difference Result 1194 states and 1509 transitions. [2020-07-20 13:05:26,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:05:26,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-07-20 13:05:26,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:26,361 INFO L225 Difference]: With dead ends: 1194 [2020-07-20 13:05:26,362 INFO L226 Difference]: Without dead ends: 780 [2020-07-20 13:05:26,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 109 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:26,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2020-07-20 13:05:26,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 777. [2020-07-20 13:05:26,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 777 states. [2020-07-20 13:05:26,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 956 transitions. [2020-07-20 13:05:26,404 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 956 transitions. Word has length 112 [2020-07-20 13:05:26,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:26,404 INFO L479 AbstractCegarLoop]: Abstraction has 777 states and 956 transitions. [2020-07-20 13:05:26,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:05:26,404 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 956 transitions. [2020-07-20 13:05:26,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-07-20 13:05:26,407 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:26,407 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:26,620 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:26,621 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:26,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:26,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1975342852, now seen corresponding path program 1 times [2020-07-20 13:05:26,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:26,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1870606797] [2020-07-20 13:05:26,623 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:27,000 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:27,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:27,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 13:05:27,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:27,146 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:27,147 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:27,147 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1870606797] [2020-07-20 13:05:27,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:27,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 13:05:27,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735889462] [2020-07-20 13:05:27,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 13:05:27,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:27,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 13:05:27,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:05:27,149 INFO L87 Difference]: Start difference. First operand 777 states and 956 transitions. Second operand 10 states. [2020-07-20 13:05:29,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:29,206 INFO L93 Difference]: Finished difference Result 2210 states and 3047 transitions. [2020-07-20 13:05:29,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 13:05:29,207 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 116 [2020-07-20 13:05:29,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:29,218 INFO L225 Difference]: With dead ends: 2210 [2020-07-20 13:05:29,218 INFO L226 Difference]: Without dead ends: 1461 [2020-07-20 13:05:29,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 13:05:29,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2020-07-20 13:05:29,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 1098. [2020-07-20 13:05:29,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1098 states. [2020-07-20 13:05:29,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1355 transitions. [2020-07-20 13:05:29,297 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1355 transitions. Word has length 116 [2020-07-20 13:05:29,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:29,298 INFO L479 AbstractCegarLoop]: Abstraction has 1098 states and 1355 transitions. [2020-07-20 13:05:29,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 13:05:29,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1355 transitions. [2020-07-20 13:05:29,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-20 13:05:29,301 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:29,302 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:29,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:29,518 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:29,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:29,519 INFO L82 PathProgramCache]: Analyzing trace with hash -919086842, now seen corresponding path program 1 times [2020-07-20 13:05:29,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:29,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [801199909] [2020-07-20 13:05:29,520 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:29,893 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 13:05:29,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:29,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 13:05:29,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:29,941 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 13:05:29,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:29,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [801199909] [2020-07-20 13:05:29,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:29,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:05:29,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911407028] [2020-07-20 13:05:29,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:05:29,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:29,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:05:29,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:29,944 INFO L87 Difference]: Start difference. First operand 1098 states and 1355 transitions. Second operand 3 states. [2020-07-20 13:05:30,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:30,089 INFO L93 Difference]: Finished difference Result 1308 states and 1612 transitions. [2020-07-20 13:05:30,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:05:30,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2020-07-20 13:05:30,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:30,093 INFO L225 Difference]: With dead ends: 1308 [2020-07-20 13:05:30,093 INFO L226 Difference]: Without dead ends: 531 [2020-07-20 13:05:30,095 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:30,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2020-07-20 13:05:30,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 531. [2020-07-20 13:05:30,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2020-07-20 13:05:30,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 636 transitions. [2020-07-20 13:05:30,126 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 636 transitions. Word has length 157 [2020-07-20 13:05:30,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:30,126 INFO L479 AbstractCegarLoop]: Abstraction has 531 states and 636 transitions. [2020-07-20 13:05:30,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:05:30,127 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 636 transitions. [2020-07-20 13:05:30,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-20 13:05:30,131 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:30,132 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:30,344 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:30,345 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:30,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:30,346 INFO L82 PathProgramCache]: Analyzing trace with hash -283315442, now seen corresponding path program 1 times [2020-07-20 13:05:30,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:30,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2031994074] [2020-07-20 13:05:30,347 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:30,786 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:30,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:30,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:05:30,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:30,871 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:30,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:05:31,373 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-20 13:05:31,373 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2031994074] [2020-07-20 13:05:31,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 13:05:31,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 13:05:31,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117072677] [2020-07-20 13:05:31,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 13:05:31,375 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:31,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 13:05:31,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:05:31,376 INFO L87 Difference]: Start difference. First operand 531 states and 636 transitions. Second operand 10 states. [2020-07-20 13:05:32,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:32,277 INFO L93 Difference]: Finished difference Result 1132 states and 1374 transitions. [2020-07-20 13:05:32,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 13:05:32,277 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2020-07-20 13:05:32,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:32,279 INFO L225 Difference]: With dead ends: 1132 [2020-07-20 13:05:32,279 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:05:32,282 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 373 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 13:05:32,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:05:32,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:05:32,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:05:32,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:05:32,283 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 193 [2020-07-20 13:05:32,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:32,284 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:05:32,284 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 13:05:32,284 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:05:32,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:05:32,493 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:32,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:05:34,165 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-07-20 13:05:34,416 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-07-20 13:05:34,697 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2020-07-20 13:05:35,060 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-20 13:05:35,768 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 45 [2020-07-20 13:05:36,619 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 13:05:36,850 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 13:05:37,204 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-07-20 13:05:37,625 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 40 [2020-07-20 13:05:37,631 INFO L268 CegarLoopResult]: For program point L760(lines 760 764) no Hoare annotation was computed. [2020-07-20 13:05:37,631 INFO L268 CegarLoopResult]: For program point L760-1(lines 760 764) no Hoare annotation was computed. [2020-07-20 13:05:37,631 INFO L268 CegarLoopResult]: For program point L755(line 755) no Hoare annotation was computed. [2020-07-20 13:05:37,632 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 729 784) no Hoare annotation was computed. [2020-07-20 13:05:37,632 INFO L268 CegarLoopResult]: For program point L754-2(lines 754 775) no Hoare annotation was computed. [2020-07-20 13:05:37,632 INFO L268 CegarLoopResult]: For program point L776(lines 753 777) no Hoare annotation was computed. [2020-07-20 13:05:37,632 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 729 784) no Hoare annotation was computed. [2020-07-20 13:05:37,632 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 729 784) no Hoare annotation was computed. [2020-07-20 13:05:37,632 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-07-20 13:05:37,632 INFO L268 CegarLoopResult]: For program point L830-1(line 830) no Hoare annotation was computed. [2020-07-20 13:05:37,633 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 785 844) no Hoare annotation was computed. [2020-07-20 13:05:37,633 INFO L268 CegarLoopResult]: For program point L817(lines 817 821) no Hoare annotation was computed. [2020-07-20 13:05:37,633 INFO L268 CegarLoopResult]: For program point L817-1(lines 817 821) no Hoare annotation was computed. [2020-07-20 13:05:37,633 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 785 844) no Hoare annotation was computed. [2020-07-20 13:05:37,633 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-07-20 13:05:37,633 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 785 844) no Hoare annotation was computed. [2020-07-20 13:05:37,633 INFO L268 CegarLoopResult]: For program point L811-2(lines 811 836) no Hoare annotation was computed. [2020-07-20 13:05:37,634 INFO L268 CegarLoopResult]: For program point L837(lines 810 838) no Hoare annotation was computed. [2020-07-20 13:05:37,634 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 113 119) the Hoare annotation is: true [2020-07-20 13:05:37,634 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 113 119) no Hoare annotation was computed. [2020-07-20 13:05:37,634 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 120 128) no Hoare annotation was computed. [2020-07-20 13:05:37,634 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 120 128) the Hoare annotation is: true [2020-07-20 13:05:37,634 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 120 128) no Hoare annotation was computed. [2020-07-20 13:05:37,634 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2020-07-20 13:05:37,634 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-20 13:05:37,634 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-20 13:05:37,635 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-20 13:05:37,635 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-07-20 13:05:37,635 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-20 13:05:37,635 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-07-20 13:05:37,635 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-07-20 13:05:37,635 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 13:05:37,635 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-07-20 13:05:37,635 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-20 13:05:37,635 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-07-20 13:05:37,636 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 13:05:37,636 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-07-20 13:05:37,636 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-07-20 13:05:37,636 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-07-20 13:05:37,636 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-07-20 13:05:37,636 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-07-20 13:05:37,636 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 285 307) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:37,636 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 285 307) no Hoare annotation was computed. [2020-07-20 13:05:37,636 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 285 307) no Hoare annotation was computed. [2020-07-20 13:05:37,636 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:37,637 INFO L264 CegarLoopResult]: At program point L297-1(line 297) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:37,637 INFO L268 CegarLoopResult]: For program point L295(lines 295 302) no Hoare annotation was computed. [2020-07-20 13:05:37,637 INFO L268 CegarLoopResult]: For program point L295-1(lines 295 302) no Hoare annotation was computed. [2020-07-20 13:05:37,637 INFO L268 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2020-07-20 13:05:37,637 INFO L264 CegarLoopResult]: At program point L292(line 292) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:37,637 INFO L264 CegarLoopResult]: At program point L291(line 291) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:37,637 INFO L264 CegarLoopResult]: At program point L291-1(line 291) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:37,637 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-07-20 13:05:37,637 INFO L268 CegarLoopResult]: For program point L256(line 256) no Hoare annotation was computed. [2020-07-20 13:05:37,638 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 243 266) no Hoare annotation was computed. [2020-07-20 13:05:37,638 INFO L268 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed. [2020-07-20 13:05:37,638 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-07-20 13:05:37,638 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-07-20 13:05:37,638 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 243 266) no Hoare annotation was computed. [2020-07-20 13:05:37,638 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-07-20 13:05:37,638 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 243 266) no Hoare annotation was computed. [2020-07-20 13:05:37,638 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-07-20 13:05:37,638 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-07-20 13:05:37,639 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-07-20 13:05:37,639 INFO L268 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed. [2020-07-20 13:05:37,639 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-07-20 13:05:37,639 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-07-20 13:05:37,639 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-07-20 13:05:37,639 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-07-20 13:05:37,639 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-07-20 13:05:37,639 INFO L268 CegarLoopResult]: For program point L384(lines 384 401) no Hoare annotation was computed. [2020-07-20 13:05:37,640 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 380 404) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:05:37,640 INFO L264 CegarLoopResult]: At program point L399(line 399) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:05:37,640 INFO L268 CegarLoopResult]: For program point L399-1(lines 380 404) no Hoare annotation was computed. [2020-07-20 13:05:37,642 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 380 404) no Hoare annotation was computed. [2020-07-20 13:05:37,642 INFO L264 CegarLoopResult]: At program point L394(line 394) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:37,642 INFO L264 CegarLoopResult]: At program point L390(line 390) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:37,643 INFO L268 CegarLoopResult]: For program point L388(lines 388 396) no Hoare annotation was computed. [2020-07-20 13:05:37,643 INFO L264 CegarLoopResult]: At program point L386(line 386) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:37,643 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 558 572) no Hoare annotation was computed. [2020-07-20 13:05:37,643 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 558 572) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0)) (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse0 (= 0 ~systemActive~0) .cse1 (not (= 0 |old(~systemActive~0)|))))) [2020-07-20 13:05:37,643 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 558 572) no Hoare annotation was computed. [2020-07-20 13:05:37,643 INFO L264 CegarLoopResult]: At program point L564(line 564) the Hoare annotation is: (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0))) [2020-07-20 13:05:37,644 INFO L268 CegarLoopResult]: For program point L562(lines 562 568) no Hoare annotation was computed. [2020-07-20 13:05:37,644 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 475 483) no Hoare annotation was computed. [2020-07-20 13:05:37,644 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 475 483) the Hoare annotation is: true [2020-07-20 13:05:37,644 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 475 483) no Hoare annotation was computed. [2020-07-20 13:05:37,644 INFO L268 CegarLoopResult]: For program point L546-1(line 546) no Hoare annotation was computed. [2020-07-20 13:05:37,644 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 539 557) the Hoare annotation is: true [2020-07-20 13:05:37,644 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 539 557) no Hoare annotation was computed. [2020-07-20 13:05:37,644 INFO L268 CegarLoopResult]: For program point L548(lines 548 552) no Hoare annotation was computed. [2020-07-20 13:05:37,644 INFO L271 CegarLoopResult]: At program point L546(line 546) the Hoare annotation is: true [2020-07-20 13:05:37,645 INFO L268 CegarLoopResult]: For program point L548-2(lines 548 552) no Hoare annotation was computed. [2020-07-20 13:05:37,645 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 539 557) no Hoare annotation was computed. [2020-07-20 13:05:37,645 INFO L268 CegarLoopResult]: For program point L514-1(line 514) no Hoare annotation was computed. [2020-07-20 13:05:37,645 INFO L268 CegarLoopResult]: For program point L503(lines 503 511) no Hoare annotation was computed. [2020-07-20 13:05:37,645 INFO L268 CegarLoopResult]: For program point L503-2(lines 503 511) no Hoare annotation was computed. [2020-07-20 13:05:37,645 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 484 519) no Hoare annotation was computed. [2020-07-20 13:05:37,645 INFO L268 CegarLoopResult]: For program point L491(lines 491 499) no Hoare annotation was computed. [2020-07-20 13:05:37,645 INFO L268 CegarLoopResult]: For program point L491-2(lines 491 499) no Hoare annotation was computed. [2020-07-20 13:05:37,645 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 484 519) no Hoare annotation was computed. [2020-07-20 13:05:37,646 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 484 519) no Hoare annotation was computed. [2020-07-20 13:05:37,646 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-20 13:05:37,646 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 106 112) no Hoare annotation was computed. [2020-07-20 13:05:37,646 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 106 112) the Hoare annotation is: true [2020-07-20 13:05:37,646 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 683 728) no Hoare annotation was computed. [2020-07-20 13:05:37,646 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 683 728) no Hoare annotation was computed. [2020-07-20 13:05:37,646 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 683 728) no Hoare annotation was computed. [2020-07-20 13:05:37,646 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 996 1041) no Hoare annotation was computed. [2020-07-20 13:05:37,647 INFO L268 CegarLoopResult]: For program point L1016(lines 1016 1023) no Hoare annotation was computed. [2020-07-20 13:05:37,647 INFO L268 CegarLoopResult]: For program point L1010(lines 1010 1030) no Hoare annotation was computed. [2020-07-20 13:05:37,647 INFO L268 CegarLoopResult]: For program point L1010-1(lines 1010 1030) no Hoare annotation was computed. [2020-07-20 13:05:37,647 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 996 1041) no Hoare annotation was computed. [2020-07-20 13:05:37,647 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 996 1041) no Hoare annotation was computed. [2020-07-20 13:05:37,647 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 274 284) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:37,647 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 274 284) no Hoare annotation was computed. [2020-07-20 13:05:37,647 INFO L264 CegarLoopResult]: At program point L279(line 279) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:37,648 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 274 284) no Hoare annotation was computed. [2020-07-20 13:05:37,648 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 464 474) the Hoare annotation is: true [2020-07-20 13:05:37,648 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 464 474) no Hoare annotation was computed. [2020-07-20 13:05:37,648 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 464 474) no Hoare annotation was computed. [2020-07-20 13:05:37,648 INFO L271 CegarLoopResult]: At program point L469(line 469) the Hoare annotation is: true [2020-07-20 13:05:37,648 INFO L268 CegarLoopResult]: For program point L469-1(line 469) no Hoare annotation was computed. [2020-07-20 13:05:37,648 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 456 463) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-20 13:05:37,648 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 456 463) no Hoare annotation was computed. [2020-07-20 13:05:37,649 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 456 463) no Hoare annotation was computed. [2020-07-20 13:05:37,649 INFO L268 CegarLoopResult]: For program point L657(lines 657 663) no Hoare annotation was computed. [2020-07-20 13:05:37,649 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 653 666) no Hoare annotation was computed. [2020-07-20 13:05:37,649 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 653 666) the Hoare annotation is: true [2020-07-20 13:05:37,649 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 653 666) no Hoare annotation was computed. [2020-07-20 13:05:37,649 INFO L264 CegarLoopResult]: At program point L416(line 416) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:37,649 INFO L268 CegarLoopResult]: For program point L414(lines 414 422) no Hoare annotation was computed. [2020-07-20 13:05:37,650 INFO L264 CegarLoopResult]: At program point L412(line 412) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:37,650 INFO L268 CegarLoopResult]: For program point L412-1(line 412) no Hoare annotation was computed. [2020-07-20 13:05:37,650 INFO L268 CegarLoopResult]: For program point L410(lines 410 427) no Hoare annotation was computed. [2020-07-20 13:05:37,650 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 406 430) no Hoare annotation was computed. [2020-07-20 13:05:37,650 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 406 430) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:05:37,650 INFO L264 CegarLoopResult]: At program point L425(line 425) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:05:37,650 INFO L268 CegarLoopResult]: For program point L425-1(lines 406 430) no Hoare annotation was computed. [2020-07-20 13:05:37,651 INFO L264 CegarLoopResult]: At program point L420(line 420) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:37,651 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 346 352) no Hoare annotation was computed. [2020-07-20 13:05:37,651 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 346 352) the Hoare annotation is: true [2020-07-20 13:05:37,651 INFO L264 CegarLoopResult]: At program point L192(line 192) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= ~waterLevel~0 2) (<= test_~splverifierCounter~0 0))) [2020-07-20 13:05:37,651 INFO L264 CegarLoopResult]: At program point testENTRY(lines 144 209) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:37,651 INFO L268 CegarLoopResult]: For program point L190(lines 190 196) no Hoare annotation was computed. [2020-07-20 13:05:37,651 INFO L264 CegarLoopResult]: At program point L190-1(lines 184 197) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:05:37,652 INFO L268 CegarLoopResult]: For program point L155(lines 154 201) no Hoare annotation was computed. [2020-07-20 13:05:37,652 INFO L268 CegarLoopResult]: For program point L184(lines 184 197) no Hoare annotation was computed. [2020-07-20 13:05:37,652 INFO L268 CegarLoopResult]: For program point testFINAL(lines 144 209) no Hoare annotation was computed. [2020-07-20 13:05:37,652 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:05:37,652 INFO L268 CegarLoopResult]: For program point L174(lines 174 180) no Hoare annotation was computed. [2020-07-20 13:05:37,652 INFO L268 CegarLoopResult]: For program point L174-1(lines 174 180) no Hoare annotation was computed. [2020-07-20 13:05:37,652 INFO L264 CegarLoopResult]: At program point L199(lines 154 201) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:05:37,653 INFO L264 CegarLoopResult]: At program point L166(line 166) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:05:37,653 INFO L268 CegarLoopResult]: For program point L164(lines 164 170) no Hoare annotation was computed. [2020-07-20 13:05:37,653 INFO L268 CegarLoopResult]: For program point L164-1(lines 164 170) no Hoare annotation was computed. [2020-07-20 13:05:37,653 INFO L268 CegarLoopResult]: For program point L156(lines 156 160) no Hoare annotation was computed. [2020-07-20 13:05:37,653 INFO L264 CegarLoopResult]: At program point L202(lines 153 203) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:37,653 INFO L268 CegarLoopResult]: For program point testEXIT(lines 144 209) no Hoare annotation was computed. [2020-07-20 13:05:37,653 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 950 995) no Hoare annotation was computed. [2020-07-20 13:05:37,654 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 950 995) no Hoare annotation was computed. [2020-07-20 13:05:37,654 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 950 995) no Hoare annotation was computed. [2020-07-20 13:05:37,654 INFO L268 CegarLoopResult]: For program point L970(lines 970 977) no Hoare annotation was computed. [2020-07-20 13:05:37,654 INFO L268 CegarLoopResult]: For program point L964(lines 964 984) no Hoare annotation was computed. [2020-07-20 13:05:37,655 INFO L268 CegarLoopResult]: For program point L964-1(lines 964 984) no Hoare annotation was computed. [2020-07-20 13:05:37,655 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 431 438) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 13:05:37,655 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 431 438) no Hoare annotation was computed. [2020-07-20 13:05:37,655 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 431 438) no Hoare annotation was computed. [2020-07-20 13:05:37,655 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 667 675) no Hoare annotation was computed. [2020-07-20 13:05:37,655 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 667 675) the Hoare annotation is: true [2020-07-20 13:05:37,655 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 667 675) no Hoare annotation was computed. [2020-07-20 13:05:37,655 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 621 643) no Hoare annotation was computed. [2020-07-20 13:05:37,656 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 621 643) no Hoare annotation was computed. [2020-07-20 13:05:37,656 INFO L268 CegarLoopResult]: For program point L629(lines 629 637) no Hoare annotation was computed. [2020-07-20 13:05:37,656 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 621 643) no Hoare annotation was computed. [2020-07-20 13:05:37,656 INFO L268 CegarLoopResult]: For program point L629-2(lines 629 637) no Hoare annotation was computed. [2020-07-20 13:05:37,656 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 96 105) no Hoare annotation was computed. [2020-07-20 13:05:37,656 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 96 105) no Hoare annotation was computed. [2020-07-20 13:05:37,656 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 96 105) no Hoare annotation was computed. [2020-07-20 13:05:37,656 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 847 949) no Hoare annotation was computed. [2020-07-20 13:05:37,657 INFO L268 CegarLoopResult]: For program point L896-2(lines 896 916) no Hoare annotation was computed. [2020-07-20 13:05:37,657 INFO L268 CegarLoopResult]: For program point L917(lines 895 918) no Hoare annotation was computed. [2020-07-20 13:05:37,658 INFO L268 CegarLoopResult]: For program point L876(lines 876 892) no Hoare annotation was computed. [2020-07-20 13:05:37,658 INFO L268 CegarLoopResult]: For program point L936(lines 936 943) no Hoare annotation was computed. [2020-07-20 13:05:37,658 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 847 949) no Hoare annotation was computed. [2020-07-20 13:05:37,658 INFO L268 CegarLoopResult]: For program point L897(lines 896 916) no Hoare annotation was computed. [2020-07-20 13:05:37,658 INFO L268 CegarLoopResult]: For program point L928(line 928) no Hoare annotation was computed. [2020-07-20 13:05:37,658 INFO L268 CegarLoopResult]: For program point L928-1(line 928) no Hoare annotation was computed. [2020-07-20 13:05:37,658 INFO L268 CegarLoopResult]: For program point L893(lines 893 934) no Hoare annotation was computed. [2020-07-20 13:05:37,658 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 847 949) no Hoare annotation was computed. [2020-07-20 13:05:37,658 INFO L268 CegarLoopResult]: For program point L912(line 912) no Hoare annotation was computed. [2020-07-20 13:05:37,659 INFO L268 CegarLoopResult]: For program point L912-1(line 912) no Hoare annotation was computed. [2020-07-20 13:05:37,659 INFO L268 CegarLoopResult]: For program point L871(lines 871 875) no Hoare annotation was computed. [2020-07-20 13:05:37,659 INFO L268 CegarLoopResult]: For program point L935(lines 935 946) no Hoare annotation was computed. [2020-07-20 13:05:37,659 INFO L268 CegarLoopResult]: For program point L898(lines 898 902) no Hoare annotation was computed. [2020-07-20 13:05:37,659 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:05:37,659 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-20 13:05:37,659 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:05:37,659 INFO L268 CegarLoopResult]: For program point L450-1(lines 439 455) no Hoare annotation was computed. [2020-07-20 13:05:37,659 INFO L268 CegarLoopResult]: For program point L446(lines 446 452) no Hoare annotation was computed. [2020-07-20 13:05:37,660 INFO L264 CegarLoopResult]: At program point L444(line 444) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 13:05:37,660 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 439 455) no Hoare annotation was computed. [2020-07-20 13:05:37,660 INFO L268 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed. [2020-07-20 13:05:37,660 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 439 455) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 13:05:37,660 INFO L264 CegarLoopResult]: At program point L450(line 450) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 13:05:37,660 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 644 652) the Hoare annotation is: true [2020-07-20 13:05:37,660 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 644 652) no Hoare annotation was computed. [2020-07-20 13:05:37,660 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 644 652) no Hoare annotation was computed. [2020-07-20 13:05:37,660 INFO L268 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-07-20 13:05:37,661 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 520 538) no Hoare annotation was computed. [2020-07-20 13:05:37,662 INFO L271 CegarLoopResult]: At program point L527(line 527) the Hoare annotation is: true [2020-07-20 13:05:37,662 INFO L268 CegarLoopResult]: For program point L529-2(lines 529 533) no Hoare annotation was computed. [2020-07-20 13:05:37,662 INFO L268 CegarLoopResult]: For program point L527-1(line 527) no Hoare annotation was computed. [2020-07-20 13:05:37,662 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 520 538) the Hoare annotation is: true [2020-07-20 13:05:37,662 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 520 538) no Hoare annotation was computed. [2020-07-20 13:05:37,662 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 600 611) the Hoare annotation is: true [2020-07-20 13:05:37,662 INFO L268 CegarLoopResult]: For program point L604-1(lines 600 611) no Hoare annotation was computed. [2020-07-20 13:05:37,662 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 600 611) no Hoare annotation was computed. [2020-07-20 13:05:37,662 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:05:37,662 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:05:37,663 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:05:37,663 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 319 345) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (<= 2 ~waterLevel~0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 2)) (.cse10 (= 0 ~pumpRunning~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse6) .cse2) (or .cse8 .cse9 .cse2 (and .cse7 .cse10)) (or .cse0 .cse4 .cse9 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse7 .cse9) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse9 (<= 1 ~switchedOnBeforeTS~0) .cse2) (or .cse4 .cse8 .cse9 .cse2 .cse3) (or .cse0 .cse9 (and .cse5 .cse10) .cse2))) [2020-07-20 13:05:37,663 INFO L264 CegarLoopResult]: At program point L335(line 335) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (and .cse4 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse2 .cse6 .cse3)))) [2020-07-20 13:05:37,663 INFO L264 CegarLoopResult]: At program point L333(lines 333 339) the Hoare annotation is: (let ((.cse13 (<= 1 ~pumpRunning~0)) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= 0 ~pumpRunning~0)) (.cse14 (<= ~waterLevel~0 1))) (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and .cse11 .cse12 (<= 1 ~switchedOnBeforeTS~0) .cse14)) (.cse7 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse11 .cse14 .cse13)) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (and .cse11 .cse12)) (.cse0 (not (= 0 ~systemActive~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (<= 2 ~waterLevel~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse7 .cse8) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse9 .cse4 .cse5 .cse6 .cse7) (or .cse9 .cse4 .cse1 .cse3) (or .cse10 .cse0 .cse1 .cse2 .cse8) (or .cse4 (and .cse10 .cse11 .cse12) .cse1 (and .cse10 .cse11 .cse13) .cse2 .cse8)))) [2020-07-20 13:05:37,663 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 319 345) no Hoare annotation was computed. [2020-07-20 13:05:37,664 INFO L264 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 ~pumpRunning~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or (not (= 0 ~systemActive~0)) .cse5 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse4 (and .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse3) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 13:05:37,664 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 319 345) no Hoare annotation was computed. [2020-07-20 13:05:37,664 INFO L268 CegarLoopResult]: For program point L326(lines 322 344) no Hoare annotation was computed. [2020-07-20 13:05:37,664 INFO L268 CegarLoopResult]: For program point L324(lines 322 344) no Hoare annotation was computed. [2020-07-20 13:05:37,664 INFO L271 CegarLoopResult]: At program point L226-1(lines 226 230) the Hoare annotation is: true [2020-07-20 13:05:37,664 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 212 241) no Hoare annotation was computed. [2020-07-20 13:05:37,664 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-07-20 13:05:37,664 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 212 241) the Hoare annotation is: true [2020-07-20 13:05:37,665 INFO L271 CegarLoopResult]: At program point L222-2(lines 222 236) the Hoare annotation is: true [2020-07-20 13:05:37,665 INFO L271 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: true [2020-07-20 13:05:37,665 INFO L268 CegarLoopResult]: For program point L218-1(line 218) no Hoare annotation was computed. [2020-07-20 13:05:37,665 INFO L271 CegarLoopResult]: At program point L237(lines 212 241) the Hoare annotation is: true [2020-07-20 13:05:37,665 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-07-20 13:05:37,665 INFO L268 CegarLoopResult]: For program point L226(lines 226 230) no Hoare annotation was computed. [2020-07-20 13:05:37,665 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 612 620) the Hoare annotation is: true [2020-07-20 13:05:37,665 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 612 620) no Hoare annotation was computed. [2020-07-20 13:05:37,665 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 612 620) no Hoare annotation was computed. [2020-07-20 13:05:37,666 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 576 587) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 13:05:37,666 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 576 587) no Hoare annotation was computed. [2020-07-20 13:05:37,666 INFO L268 CegarLoopResult]: For program point L580-1(lines 576 587) no Hoare annotation was computed. [2020-07-20 13:05:37,666 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 267 273) no Hoare annotation was computed. [2020-07-20 13:05:37,666 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 267 273) the Hoare annotation is: true [2020-07-20 13:05:37,666 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:05:37,666 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 13:05:37,666 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:05:37,666 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:05:37,667 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 354 378) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:05:37,667 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 354 378) no Hoare annotation was computed. [2020-07-20 13:05:37,667 INFO L264 CegarLoopResult]: At program point L373(line 373) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:37,667 INFO L268 CegarLoopResult]: For program point L373-1(lines 354 378) no Hoare annotation was computed. [2020-07-20 13:05:37,669 INFO L264 CegarLoopResult]: At program point L368(line 368) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= 0 ~pumpRunning~0))))) [2020-07-20 13:05:37,669 INFO L264 CegarLoopResult]: At program point L364(line 364) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:37,669 INFO L268 CegarLoopResult]: For program point L362(lines 362 370) no Hoare annotation was computed. [2020-07-20 13:05:37,670 INFO L264 CegarLoopResult]: At program point L360(line 360) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:05:37,670 INFO L268 CegarLoopResult]: For program point L360-1(line 360) no Hoare annotation was computed. [2020-07-20 13:05:37,670 INFO L268 CegarLoopResult]: For program point L358(lines 358 375) no Hoare annotation was computed. [2020-07-20 13:05:37,670 INFO L268 CegarLoopResult]: For program point L592-1(lines 588 599) no Hoare annotation was computed. [2020-07-20 13:05:37,670 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 588 599) no Hoare annotation was computed. [2020-07-20 13:05:37,670 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 588 599) the Hoare annotation is: (let ((.cse8 (<= 2 ~waterLevel~0))) (let ((.cse9 (not (= 0 ~systemActive~0))) (.cse1 (and .cse8 (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse8 .cse9 .cse2 .cse3 .cse4) (or .cse6 .cse9 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3)))) [2020-07-20 13:05:37,670 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 130 137) no Hoare annotation was computed. [2020-07-20 13:05:37,670 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 134) no Hoare annotation was computed. [2020-07-20 13:05:37,671 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 130 137) the Hoare annotation is: true [2020-07-20 13:05:37,671 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 130 137) no Hoare annotation was computed. [2020-07-20 13:05:37,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:05:37 BoogieIcfgContainer [2020-07-20 13:05:37,700 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:05:37,702 INFO L168 Benchmark]: Toolchain (without parser) took 18672.15 ms. Allocated memory was 145.2 MB in the beginning and 433.1 MB in the end (delta: 287.8 MB). Free memory was 100.4 MB in the beginning and 243.8 MB in the end (delta: -143.3 MB). Peak memory consumption was 262.2 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:37,703 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:05:37,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.34 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 100.0 MB in the beginning and 169.6 MB in the end (delta: -69.6 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:37,710 INFO L168 Benchmark]: Boogie Preprocessor took 90.74 ms. Allocated memory is still 202.9 MB. Free memory was 169.6 MB in the beginning and 164.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:37,711 INFO L168 Benchmark]: RCFGBuilder took 1180.70 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 164.9 MB in the beginning and 190.7 MB in the end (delta: -25.9 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:37,711 INFO L168 Benchmark]: TraceAbstraction took 16689.65 ms. Allocated memory was 235.9 MB in the beginning and 433.1 MB in the end (delta: 197.1 MB). Free memory was 190.7 MB in the beginning and 243.8 MB in the end (delta: -53.0 MB). Peak memory consumption was 261.8 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:37,720 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 703.34 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 100.0 MB in the beginning and 169.6 MB in the end (delta: -69.6 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.74 ms. Allocated memory is still 202.9 MB. Free memory was 169.6 MB in the beginning and 164.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1180.70 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 164.9 MB in the beginning and 190.7 MB in the end (delta: -25.9 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16689.65 ms. Allocated memory was 235.9 MB in the beginning and 433.1 MB in the end (delta: 197.1 MB). Free memory was 190.7 MB in the beginning and 243.8 MB in the end (delta: -53.0 MB). Peak memory consumption was 261.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 134]: 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: 153]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 268 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.4s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2276 SDtfs, 1204 SDslu, 3688 SDs, 0 SdLazy, 1691 SolverSat, 400 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1261 GetRequests, 1202 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1098occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 390 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 75 LocationsWithAnnotation, 1945 PreInvPairs, 2044 NumberOfFragments, 2175 HoareAnnotationTreeSize, 1945 FomulaSimplifications, 2010 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 75 FomulaSimplificationsInter, 7722 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1055 NumberOfCodeBlocks, 837 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1237 ConstructedInterpolants, 0 QuantifiedInterpolants, 298719 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7686 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 139/165 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...