/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:41:25,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:41:25,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:41:25,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:41:25,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:41:25,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:41:25,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:41:25,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:41:25,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:41:25,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:41:25,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:41:25,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:41:25,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:41:25,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:41:25,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:41:25,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:41:25,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:41:25,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:41:25,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:41:25,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:41:25,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:41:25,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:41:25,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:41:25,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:41:25,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:41:25,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:41:25,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:41:25,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:41:25,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:41:25,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:41:25,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:41:25,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:41:25,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:41:25,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:41:25,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:41:25,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:41:25,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:41:25,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:41:25,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:41:25,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:41:25,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:41:25,735 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 10:41:25,773 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:41:25,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:41:25,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:41:25,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:41:25,778 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:41:25,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:41:25,779 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:41:25,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:41:25,779 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:41:25,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:41:25,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:41:25,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:41:25,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:41:25,780 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:41:25,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:41:25,781 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:41:25,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:41:25,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:41:25,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:41:25,783 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:41:25,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:41:25,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:41:25,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:41:25,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:41:25,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:41:25,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:41:25,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:25,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:41:25,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:41:25,784 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 10:41:26,067 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:41:26,079 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:41:26,082 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:41:26,084 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:41:26,085 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:41:26,085 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2020-07-20 10:41:26,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aed7323ed/efb7293b6b4d48b0bed6a59ee224938b/FLAG37125dbc2 [2020-07-20 10:41:26,752 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:41:26,756 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2020-07-20 10:41:26,770 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aed7323ed/efb7293b6b4d48b0bed6a59ee224938b/FLAG37125dbc2 [2020-07-20 10:41:26,973 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aed7323ed/efb7293b6b4d48b0bed6a59ee224938b [2020-07-20 10:41:26,982 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:41:26,984 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:41:26,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:41:26,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:41:26,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:41:26,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:41:26" (1/1) ... [2020-07-20 10:41:26,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77285db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:26, skipping insertion in model container [2020-07-20 10:41:26,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:41:26" (1/1) ... [2020-07-20 10:41:27,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:41:27,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:41:27,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:41:27,489 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:41:27,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:41:27,673 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:41:27,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:27 WrapperNode [2020-07-20 10:41:27,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:41:27,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:41:27,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:41:27,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:41:27,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:27" (1/1) ... [2020-07-20 10:41:27,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:27" (1/1) ... [2020-07-20 10:41:27,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:27" (1/1) ... [2020-07-20 10:41:27,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:27" (1/1) ... [2020-07-20 10:41:27,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:27" (1/1) ... [2020-07-20 10:41:27,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:27" (1/1) ... [2020-07-20 10:41:27,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:27" (1/1) ... [2020-07-20 10:41:27,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:41:27,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:41:27,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:41:27,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:41:27,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:41:27,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:41:27,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:41:27,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:41:27,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:41:27,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:41:27,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:41:27,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:41:27,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:41:27,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:41:27,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:41:27,865 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:41:27,866 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:41:27,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:41:27,867 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:41:27,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:41:27,868 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:41:27,868 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:41:27,868 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 10:41:27,868 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:41:27,868 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 10:41:27,869 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:41:27,869 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:41:27,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:41:27,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:41:27,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:41:27,870 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:41:27,870 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:41:27,870 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:41:27,871 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:41:27,871 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:41:27,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:41:27,871 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:41:27,871 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:41:27,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:41:27,872 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:41:27,872 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:41:27,872 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:41:27,872 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:41:27,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 10:41:27,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 10:41:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:41:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:41:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:41:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:41:27,873 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:41:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:41:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:41:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:41:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:41:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:41:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:41:27,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:41:27,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:41:27,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:41:27,875 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:41:27,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:41:27,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:41:27,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:41:27,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:41:27,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:41:27,876 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:41:27,876 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:41:27,877 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:41:27,877 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:41:27,877 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:41:27,877 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:41:27,877 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:41:27,878 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:41:27,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 10:41:27,878 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:41:27,878 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:41:27,878 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:41:27,879 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:41:27,880 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:41:27,880 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:41:27,880 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:41:27,880 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:41:27,880 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:41:27,881 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:41:27,881 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:41:27,881 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:41:27,881 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:41:27,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 10:41:27,881 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:41:27,881 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:41:27,882 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:41:27,882 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 10:41:27,882 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:41:27,882 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 10:41:27,882 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:41:27,882 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:41:27,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:41:27,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:41:27,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:41:28,919 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:41:28,919 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:41:28,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:41:28 BoogieIcfgContainer [2020-07-20 10:41:28,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:41:28,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:41:28,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:41:28,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:41:28,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:41:26" (1/3) ... [2020-07-20 10:41:28,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ddb7a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:41:28, skipping insertion in model container [2020-07-20 10:41:28,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:27" (2/3) ... [2020-07-20 10:41:28,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ddb7a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:41:28, skipping insertion in model container [2020-07-20 10:41:28,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:41:28" (3/3) ... [2020-07-20 10:41:28,935 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45.cil.c [2020-07-20 10:41:28,946 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:41:28,957 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:41:28,972 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:41:29,006 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:41:29,007 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:41:29,007 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:41:29,007 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:41:29,008 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:41:29,008 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:41:29,008 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:41:29,008 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:41:29,037 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2020-07-20 10:41:29,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 10:41:29,047 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:29,048 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:29,048 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:29,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:29,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1016037874, now seen corresponding path program 1 times [2020-07-20 10:41:29,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:29,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [585540265] [2020-07-20 10:41:29,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:29,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:41:29,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:29,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:29,371 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:29,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [585540265] [2020-07-20 10:41:29,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:29,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:41:29,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124367606] [2020-07-20 10:41:29,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:41:29,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:29,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:41:29,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:41:29,399 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 2 states. [2020-07-20 10:41:29,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:29,450 INFO L93 Difference]: Finished difference Result 266 states and 333 transitions. [2020-07-20 10:41:29,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:41:29,452 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 10:41:29,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:29,465 INFO L225 Difference]: With dead ends: 266 [2020-07-20 10:41:29,466 INFO L226 Difference]: Without dead ends: 135 [2020-07-20 10:41:29,470 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:41:29,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-07-20 10:41:29,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2020-07-20 10:41:29,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-07-20 10:41:29,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 160 transitions. [2020-07-20 10:41:29,530 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 160 transitions. Word has length 51 [2020-07-20 10:41:29,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:29,531 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 160 transitions. [2020-07-20 10:41:29,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:41:29,531 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 160 transitions. [2020-07-20 10:41:29,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 10:41:29,535 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:29,535 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:29,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:29,749 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:29,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:29,750 INFO L82 PathProgramCache]: Analyzing trace with hash 2062541652, now seen corresponding path program 1 times [2020-07-20 10:41:29,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:29,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [107802043] [2020-07-20 10:41:29,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:29,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:41:30,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:30,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:30,065 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:30,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [107802043] [2020-07-20 10:41:30,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:30,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:30,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655311127] [2020-07-20 10:41:30,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:30,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:30,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:30,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:30,071 INFO L87 Difference]: Start difference. First operand 135 states and 160 transitions. Second operand 3 states. [2020-07-20 10:41:30,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:30,123 INFO L93 Difference]: Finished difference Result 242 states and 295 transitions. [2020-07-20 10:41:30,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:30,125 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 10:41:30,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:30,128 INFO L225 Difference]: With dead ends: 242 [2020-07-20 10:41:30,129 INFO L226 Difference]: Without dead ends: 135 [2020-07-20 10:41:30,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:30,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-07-20 10:41:30,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2020-07-20 10:41:30,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-07-20 10:41:30,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 159 transitions. [2020-07-20 10:41:30,168 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 159 transitions. Word has length 52 [2020-07-20 10:41:30,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:30,169 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 159 transitions. [2020-07-20 10:41:30,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:30,169 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 159 transitions. [2020-07-20 10:41:30,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 10:41:30,179 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:30,180 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:30,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:30,395 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:30,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:30,395 INFO L82 PathProgramCache]: Analyzing trace with hash 569007859, now seen corresponding path program 1 times [2020-07-20 10:41:30,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:30,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207497305] [2020-07-20 10:41:30,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:30,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:41:30,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:30,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:30,604 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:30,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207497305] [2020-07-20 10:41:30,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:30,605 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:30,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409876956] [2020-07-20 10:41:30,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:30,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:30,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:30,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:30,608 INFO L87 Difference]: Start difference. First operand 135 states and 159 transitions. Second operand 3 states. [2020-07-20 10:41:30,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:30,646 INFO L93 Difference]: Finished difference Result 215 states and 253 transitions. [2020-07-20 10:41:30,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:30,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 10:41:30,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:30,653 INFO L225 Difference]: With dead ends: 215 [2020-07-20 10:41:30,653 INFO L226 Difference]: Without dead ends: 126 [2020-07-20 10:41:30,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:30,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-07-20 10:41:30,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2020-07-20 10:41:30,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-07-20 10:41:30,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2020-07-20 10:41:30,678 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 65 [2020-07-20 10:41:30,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:30,679 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2020-07-20 10:41:30,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:30,680 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2020-07-20 10:41:30,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-20 10:41:30,682 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:30,683 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:30,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:30,898 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:30,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:30,898 INFO L82 PathProgramCache]: Analyzing trace with hash -848651131, now seen corresponding path program 1 times [2020-07-20 10:41:30,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:30,899 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [731044603] [2020-07-20 10:41:30,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:31,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:41:31,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:31,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:31,127 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:31,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [731044603] [2020-07-20 10:41:31,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:31,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:31,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250601646] [2020-07-20 10:41:31,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:31,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:31,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:31,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:31,129 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 3 states. [2020-07-20 10:41:31,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:31,170 INFO L93 Difference]: Finished difference Result 224 states and 270 transitions. [2020-07-20 10:41:31,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:31,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2020-07-20 10:41:31,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:31,174 INFO L225 Difference]: With dead ends: 224 [2020-07-20 10:41:31,175 INFO L226 Difference]: Without dead ends: 221 [2020-07-20 10:41:31,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:31,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-20 10:41:31,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2020-07-20 10:41:31,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-07-20 10:41:31,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 267 transitions. [2020-07-20 10:41:31,204 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 267 transitions. Word has length 69 [2020-07-20 10:41:31,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:31,204 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 267 transitions. [2020-07-20 10:41:31,204 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:31,205 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 267 transitions. [2020-07-20 10:41:31,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-20 10:41:31,206 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:31,207 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:31,419 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:31,420 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:31,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:31,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1348368453, now seen corresponding path program 1 times [2020-07-20 10:41:31,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:31,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [515217601] [2020-07-20 10:41:31,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:31,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:41:31,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:31,698 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-20 10:41:31,698 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:31,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [515217601] [2020-07-20 10:41:31,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:31,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 10:41:31,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644956742] [2020-07-20 10:41:31,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 10:41:31,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:31,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 10:41:31,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:41:31,701 INFO L87 Difference]: Start difference. First operand 221 states and 267 transitions. Second operand 7 states. [2020-07-20 10:41:32,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:32,323 INFO L93 Difference]: Finished difference Result 541 states and 699 transitions. [2020-07-20 10:41:32,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 10:41:32,324 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 112 [2020-07-20 10:41:32,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:32,328 INFO L225 Difference]: With dead ends: 541 [2020-07-20 10:41:32,328 INFO L226 Difference]: Without dead ends: 348 [2020-07-20 10:41:32,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-20 10:41:32,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-07-20 10:41:32,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 324. [2020-07-20 10:41:32,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-07-20 10:41:32,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 395 transitions. [2020-07-20 10:41:32,363 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 395 transitions. Word has length 112 [2020-07-20 10:41:32,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:32,364 INFO L479 AbstractCegarLoop]: Abstraction has 324 states and 395 transitions. [2020-07-20 10:41:32,364 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 10:41:32,364 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 395 transitions. [2020-07-20 10:41:32,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-20 10:41:32,367 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:32,367 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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] [2020-07-20 10:41:32,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:32,580 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:32,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:32,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1263929503, now seen corresponding path program 1 times [2020-07-20 10:41:32,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:32,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [173450169] [2020-07-20 10:41:32,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:32,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 918 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 10:41:32,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:32,870 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-20 10:41:32,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:41:33,149 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-07-20 10:41:33,150 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [173450169] [2020-07-20 10:41:33,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 10:41:33,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2020-07-20 10:41:33,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312634535] [2020-07-20 10:41:33,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:41:33,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:33,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:41:33,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:41:33,155 INFO L87 Difference]: Start difference. First operand 324 states and 395 transitions. Second operand 6 states. [2020-07-20 10:41:33,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:33,403 INFO L93 Difference]: Finished difference Result 879 states and 1117 transitions. [2020-07-20 10:41:33,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:41:33,406 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2020-07-20 10:41:33,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:33,412 INFO L225 Difference]: With dead ends: 879 [2020-07-20 10:41:33,412 INFO L226 Difference]: Without dead ends: 583 [2020-07-20 10:41:33,413 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 309 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-20 10:41:33,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2020-07-20 10:41:33,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 476. [2020-07-20 10:41:33,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2020-07-20 10:41:33,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 578 transitions. [2020-07-20 10:41:33,473 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 578 transitions. Word has length 157 [2020-07-20 10:41:33,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:33,475 INFO L479 AbstractCegarLoop]: Abstraction has 476 states and 578 transitions. [2020-07-20 10:41:33,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:41:33,475 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 578 transitions. [2020-07-20 10:41:33,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-20 10:41:33,483 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:33,484 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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] [2020-07-20 10:41:33,699 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:33,700 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:33,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:33,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1395765051, now seen corresponding path program 1 times [2020-07-20 10:41:33,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:33,701 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [479744701] [2020-07-20 10:41:33,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:33,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 10:41:33,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:33,991 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-20 10:41:33,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:33,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [479744701] [2020-07-20 10:41:33,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:33,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 10:41:33,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306776978] [2020-07-20 10:41:33,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 10:41:33,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:33,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 10:41:33,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:33,994 INFO L87 Difference]: Start difference. First operand 476 states and 578 transitions. Second operand 8 states. [2020-07-20 10:41:34,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:34,389 INFO L93 Difference]: Finished difference Result 896 states and 1105 transitions. [2020-07-20 10:41:34,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:41:34,390 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 161 [2020-07-20 10:41:34,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:34,394 INFO L225 Difference]: With dead ends: 896 [2020-07-20 10:41:34,394 INFO L226 Difference]: Without dead ends: 448 [2020-07-20 10:41:34,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 153 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:34,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-07-20 10:41:34,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 444. [2020-07-20 10:41:34,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-07-20 10:41:34,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 527 transitions. [2020-07-20 10:41:34,423 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 527 transitions. Word has length 161 [2020-07-20 10:41:34,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:34,423 INFO L479 AbstractCegarLoop]: Abstraction has 444 states and 527 transitions. [2020-07-20 10:41:34,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 10:41:34,424 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 527 transitions. [2020-07-20 10:41:34,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-20 10:41:34,427 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:34,427 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:34,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:34,643 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:34,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:34,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1369319683, now seen corresponding path program 1 times [2020-07-20 10:41:34,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:34,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1045630175] [2020-07-20 10:41:34,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:34,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 10:41:34,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:34,976 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-20 10:41:34,976 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:34,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1045630175] [2020-07-20 10:41:34,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:34,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 10:41:34,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597442412] [2020-07-20 10:41:34,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 10:41:34,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:34,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 10:41:34,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:34,979 INFO L87 Difference]: Start difference. First operand 444 states and 527 transitions. Second operand 8 states. [2020-07-20 10:41:35,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:35,422 INFO L93 Difference]: Finished difference Result 704 states and 840 transitions. [2020-07-20 10:41:35,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:41:35,423 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 212 [2020-07-20 10:41:35,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:35,424 INFO L225 Difference]: With dead ends: 704 [2020-07-20 10:41:35,424 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:41:35,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:35,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:41:35,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:41:35,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:41:35,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:41:35,432 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2020-07-20 10:41:35,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:35,432 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:41:35,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 10:41:35,433 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:41:35,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:41:35,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:35,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:41:38,554 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-20 10:41:38,555 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-20 10:41:38,555 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 10:41:38,555 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-20 10:41:38,555 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-20 10:41:38,555 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-20 10:41:38,555 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-20 10:41:38,555 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-20 10:41:38,555 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 10:41:38,556 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-20 10:41:38,556 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-20 10:41:38,556 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-20 10:41:38,556 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-20 10:41:38,556 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 10:41:38,556 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-20 10:41:38,556 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-20 10:41:38,556 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-20 10:41:38,556 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-20 10:41:38,557 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 902 908) the Hoare annotation is: true [2020-07-20 10:41:38,557 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 902 908) no Hoare annotation was computed. [2020-07-20 10:41:38,557 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 909 917) no Hoare annotation was computed. [2020-07-20 10:41:38,557 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 909 917) the Hoare annotation is: true [2020-07-20 10:41:38,557 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 909 917) no Hoare annotation was computed. [2020-07-20 10:41:38,557 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 497 519) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0))) [2020-07-20 10:41:38,557 INFO L264 CegarLoopResult]: At program point L509(line 509) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0))) [2020-07-20 10:41:38,558 INFO L264 CegarLoopResult]: At program point L509-1(line 509) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0))) [2020-07-20 10:41:38,558 INFO L268 CegarLoopResult]: For program point L507(lines 507 514) no Hoare annotation was computed. [2020-07-20 10:41:38,558 INFO L268 CegarLoopResult]: For program point L507-1(lines 507 514) no Hoare annotation was computed. [2020-07-20 10:41:38,558 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-20 10:41:38,558 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 497 519) no Hoare annotation was computed. [2020-07-20 10:41:38,558 INFO L264 CegarLoopResult]: At program point L504(line 504) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0))) [2020-07-20 10:41:38,558 INFO L264 CegarLoopResult]: At program point L503(line 503) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0))) [2020-07-20 10:41:38,559 INFO L264 CegarLoopResult]: At program point L503-1(line 503) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0))) [2020-07-20 10:41:38,559 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 497 519) no Hoare annotation was computed. [2020-07-20 10:41:38,559 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 450 473) no Hoare annotation was computed. [2020-07-20 10:41:38,559 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 450 473) no Hoare annotation was computed. [2020-07-20 10:41:38,559 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 450 473) no Hoare annotation was computed. [2020-07-20 10:41:38,559 INFO L268 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-07-20 10:41:38,560 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 10:41:38,560 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 10:41:38,560 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-07-20 10:41:38,560 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-20 10:41:38,560 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 10:41:38,560 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-07-20 10:41:38,560 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-20 10:41:38,560 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 10:41:38,561 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-20 10:41:38,561 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 10:41:38,561 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 10:41:38,561 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-20 10:41:38,561 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 10:41:38,561 INFO L264 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:41:38,561 INFO L268 CegarLoopResult]: For program point L572(lines 572 580) no Hoare annotation was computed. [2020-07-20 10:41:38,561 INFO L264 CegarLoopResult]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:41:38,561 INFO L268 CegarLoopResult]: For program point L570-1(line 570) no Hoare annotation was computed. [2020-07-20 10:41:38,562 INFO L268 CegarLoopResult]: For program point L568(lines 568 585) no Hoare annotation was computed. [2020-07-20 10:41:38,562 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 564 588) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:41:38,562 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 564 588) no Hoare annotation was computed. [2020-07-20 10:41:38,562 INFO L264 CegarLoopResult]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse0 .cse1 .cse2))) [2020-07-20 10:41:38,562 INFO L268 CegarLoopResult]: For program point L583-1(lines 564 588) no Hoare annotation was computed. [2020-07-20 10:41:38,562 INFO L264 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:41:38,562 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 659 667) no Hoare annotation was computed. [2020-07-20 10:41:38,562 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 659 667) the Hoare annotation is: true [2020-07-20 10:41:38,562 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 659 667) no Hoare annotation was computed. [2020-07-20 10:41:38,563 INFO L268 CegarLoopResult]: For program point L675-2(lines 675 683) no Hoare annotation was computed. [2020-07-20 10:41:38,563 INFO L268 CegarLoopResult]: For program point L698(line 698) no Hoare annotation was computed. [2020-07-20 10:41:38,563 INFO L268 CegarLoopResult]: For program point L698-1(line 698) no Hoare annotation was computed. [2020-07-20 10:41:38,563 INFO L268 CegarLoopResult]: For program point L687(lines 687 695) no Hoare annotation was computed. [2020-07-20 10:41:38,563 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 668 703) no Hoare annotation was computed. [2020-07-20 10:41:38,563 INFO L268 CegarLoopResult]: For program point L687-2(lines 687 695) no Hoare annotation was computed. [2020-07-20 10:41:38,563 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 668 703) no Hoare annotation was computed. [2020-07-20 10:41:38,563 INFO L268 CegarLoopResult]: For program point L675(lines 675 683) no Hoare annotation was computed. [2020-07-20 10:41:38,563 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 668 703) no Hoare annotation was computed. [2020-07-20 10:41:38,563 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 895 901) no Hoare annotation was computed. [2020-07-20 10:41:38,563 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 895 901) the Hoare annotation is: true [2020-07-20 10:41:38,563 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-20 10:41:38,564 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-20 10:41:38,564 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-20 10:41:38,564 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-20 10:41:38,564 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-20 10:41:38,564 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-20 10:41:38,564 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-20 10:41:38,564 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-20 10:41:38,565 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-20 10:41:38,565 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 483 493) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0))) [2020-07-20 10:41:38,565 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 483 493) no Hoare annotation was computed. [2020-07-20 10:41:38,565 INFO L264 CegarLoopResult]: At program point L488(line 488) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0))) [2020-07-20 10:41:38,565 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 483 493) no Hoare annotation was computed. [2020-07-20 10:41:38,565 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 648 658) the Hoare annotation is: true [2020-07-20 10:41:38,566 INFO L271 CegarLoopResult]: At program point L653(line 653) the Hoare annotation is: true [2020-07-20 10:41:38,566 INFO L268 CegarLoopResult]: For program point L653-1(line 653) no Hoare annotation was computed. [2020-07-20 10:41:38,566 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 648 658) no Hoare annotation was computed. [2020-07-20 10:41:38,566 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 648 658) no Hoare annotation was computed. [2020-07-20 10:41:38,566 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 640 647) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 10:41:38,566 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 640 647) no Hoare annotation was computed. [2020-07-20 10:41:38,566 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 640 647) no Hoare annotation was computed. [2020-07-20 10:41:38,567 INFO L268 CegarLoopResult]: For program point L873(lines 873 879) no Hoare annotation was computed. [2020-07-20 10:41:38,567 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 869 882) no Hoare annotation was computed. [2020-07-20 10:41:38,567 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 869 882) the Hoare annotation is: true [2020-07-20 10:41:38,567 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 869 882) no Hoare annotation was computed. [2020-07-20 10:41:38,567 INFO L264 CegarLoopResult]: At program point L609(line 609) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0))))) [2020-07-20 10:41:38,567 INFO L268 CegarLoopResult]: For program point L609-1(lines 590 614) no Hoare annotation was computed. [2020-07-20 10:41:38,567 INFO L264 CegarLoopResult]: At program point L604(line 604) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2020-07-20 10:41:38,567 INFO L264 CegarLoopResult]: At program point L600(line 600) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or .cse1 .cse3 .cse5) (or .cse0 .cse1 .cse2 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~5) .cse4)))) [2020-07-20 10:41:38,567 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 590 614) no Hoare annotation was computed. [2020-07-20 10:41:38,568 INFO L268 CegarLoopResult]: For program point L598(lines 598 606) no Hoare annotation was computed. [2020-07-20 10:41:38,568 INFO L264 CegarLoopResult]: At program point L596(line 596) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or .cse1 .cse3 .cse5) (or .cse0 .cse1 .cse2 .cse4))) [2020-07-20 10:41:38,568 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 590 614) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 10:41:38,568 INFO L268 CegarLoopResult]: For program point L596-1(line 596) no Hoare annotation was computed. [2020-07-20 10:41:38,568 INFO L268 CegarLoopResult]: For program point L594(lines 594 611) no Hoare annotation was computed. [2020-07-20 10:41:38,568 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 556 562) no Hoare annotation was computed. [2020-07-20 10:41:38,568 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 556 562) the Hoare annotation is: true [2020-07-20 10:41:38,568 INFO L264 CegarLoopResult]: At program point L770-2(lines 764 775) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (<= 1 ~methaneLevelCritical~0) .cse0) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2020-07-20 10:41:38,568 INFO L264 CegarLoopResult]: At program point testENTRY(lines 724 787) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0))) [2020-07-20 10:41:38,569 INFO L268 CegarLoopResult]: For program point L735(lines 734 779) no Hoare annotation was computed. [2020-07-20 10:41:38,569 INFO L268 CegarLoopResult]: For program point L764(lines 764 775) no Hoare annotation was computed. [2020-07-20 10:41:38,569 INFO L268 CegarLoopResult]: For program point testFINAL(lines 724 787) no Hoare annotation was computed. [2020-07-20 10:41:38,569 INFO L264 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-20 10:41:38,569 INFO L268 CegarLoopResult]: For program point L754(lines 754 760) no Hoare annotation was computed. [2020-07-20 10:41:38,569 INFO L268 CegarLoopResult]: For program point L754-1(lines 754 760) no Hoare annotation was computed. [2020-07-20 10:41:38,569 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-20 10:41:38,569 INFO L264 CegarLoopResult]: At program point L777(lines 734 779) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-20 10:41:38,569 INFO L268 CegarLoopResult]: For program point L744(lines 744 750) no Hoare annotation was computed. [2020-07-20 10:41:38,570 INFO L268 CegarLoopResult]: For program point L744-1(lines 744 750) no Hoare annotation was computed. [2020-07-20 10:41:38,570 INFO L268 CegarLoopResult]: For program point L736(lines 736 740) no Hoare annotation was computed. [2020-07-20 10:41:38,570 INFO L264 CegarLoopResult]: At program point L780(lines 733 781) the Hoare annotation is: (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2020-07-20 10:41:38,570 INFO L268 CegarLoopResult]: For program point testEXIT(lines 724 787) no Hoare annotation was computed. [2020-07-20 10:41:38,570 INFO L268 CegarLoopResult]: For program point L770(lines 770 774) no Hoare annotation was computed. [2020-07-20 10:41:38,570 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-20 10:41:38,570 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-20 10:41:38,570 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-20 10:41:38,570 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-20 10:41:38,571 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-20 10:41:38,571 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-20 10:41:38,571 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 615 622) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)) [2020-07-20 10:41:38,571 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 615 622) no Hoare annotation was computed. [2020-07-20 10:41:38,571 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 615 622) no Hoare annotation was computed. [2020-07-20 10:41:38,571 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 928 956) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-20 10:41:38,571 INFO L264 CegarLoopResult]: At program point L943(line 943) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~pumpRunning~0))) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:41:38,572 INFO L268 CegarLoopResult]: For program point L941(lines 941 947) no Hoare annotation was computed. [2020-07-20 10:41:38,572 INFO L268 CegarLoopResult]: For program point L940(lines 940 950) no Hoare annotation was computed. [2020-07-20 10:41:38,572 INFO L264 CegarLoopResult]: At program point L938(line 938) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~methaneLevelCritical~0))) [2020-07-20 10:41:38,572 INFO L268 CegarLoopResult]: For program point L938-1(line 938) no Hoare annotation was computed. [2020-07-20 10:41:38,572 INFO L268 CegarLoopResult]: For program point L936(lines 936 953) no Hoare annotation was computed. [2020-07-20 10:41:38,572 INFO L268 CegarLoopResult]: For program point L936-1(lines 928 956) no Hoare annotation was computed. [2020-07-20 10:41:38,572 INFO L264 CegarLoopResult]: At program point L934(line 934) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-20 10:41:38,572 INFO L268 CegarLoopResult]: For program point L934-1(line 934) no Hoare annotation was computed. [2020-07-20 10:41:38,573 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 928 956) no Hoare annotation was computed. [2020-07-20 10:41:38,573 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 920 927) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 10:41:38,573 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 920 927) no Hoare annotation was computed. [2020-07-20 10:41:38,573 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 920 927) no Hoare annotation was computed. [2020-07-20 10:41:38,573 INFO L268 CegarLoopResult]: For program point L845(lines 845 853) no Hoare annotation was computed. [2020-07-20 10:41:38,573 INFO L268 CegarLoopResult]: For program point L845-2(lines 845 853) no Hoare annotation was computed. [2020-07-20 10:41:38,573 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 837 859) no Hoare annotation was computed. [2020-07-20 10:41:38,573 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 837 859) no Hoare annotation was computed. [2020-07-20 10:41:38,574 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 837 859) no Hoare annotation was computed. [2020-07-20 10:41:38,574 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-20 10:41:38,574 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-20 10:41:38,574 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-20 10:41:38,574 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 10:41:38,574 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-20 10:41:38,574 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-20 10:41:38,574 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-20 10:41:38,574 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 10:41:38,575 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-20 10:41:38,575 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-20 10:41:38,575 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-20 10:41:38,575 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-20 10:41:38,575 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-20 10:41:38,575 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-20 10:41:38,575 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-20 10:41:38,575 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-20 10:41:38,575 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 885 894) no Hoare annotation was computed. [2020-07-20 10:41:38,576 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 885 894) no Hoare annotation was computed. [2020-07-20 10:41:38,576 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 885 894) no Hoare annotation was computed. [2020-07-20 10:41:38,576 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:41:38,576 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2020-07-20 10:41:38,576 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:41:38,576 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 623 639) no Hoare annotation was computed. [2020-07-20 10:41:38,576 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:41:38,576 INFO L268 CegarLoopResult]: For program point L634-1(lines 623 639) no Hoare annotation was computed. [2020-07-20 10:41:38,577 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 623 639) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 10:41:38,577 INFO L268 CegarLoopResult]: For program point L630(lines 630 636) no Hoare annotation was computed. [2020-07-20 10:41:38,577 INFO L264 CegarLoopResult]: At program point L628(line 628) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 10:41:38,577 INFO L268 CegarLoopResult]: For program point L628-1(line 628) no Hoare annotation was computed. [2020-07-20 10:41:38,577 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 704 722) no Hoare annotation was computed. [2020-07-20 10:41:38,577 INFO L268 CegarLoopResult]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-07-20 10:41:38,578 INFO L271 CegarLoopResult]: At program point L711(line 711) the Hoare annotation is: true [2020-07-20 10:41:38,578 INFO L268 CegarLoopResult]: For program point L713-2(lines 713 717) no Hoare annotation was computed. [2020-07-20 10:41:38,578 INFO L268 CegarLoopResult]: For program point L711-1(line 711) no Hoare annotation was computed. [2020-07-20 10:41:38,578 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 704 722) the Hoare annotation is: true [2020-07-20 10:41:38,578 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 704 722) no Hoare annotation was computed. [2020-07-20 10:41:38,578 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 860 868) no Hoare annotation was computed. [2020-07-20 10:41:38,578 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 860 868) no Hoare annotation was computed. [2020-07-20 10:41:38,578 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 860 868) no Hoare annotation was computed. [2020-07-20 10:41:38,578 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:41:38,579 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:41:38,579 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:41:38,579 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 816 827) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))) (or .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|))))) [2020-07-20 10:41:38,579 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 816 827) no Hoare annotation was computed. [2020-07-20 10:41:38,579 INFO L268 CegarLoopResult]: For program point L820-1(lines 816 827) no Hoare annotation was computed. [2020-07-20 10:41:38,579 INFO L264 CegarLoopResult]: At program point L545(line 545) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and (= 0 ~methAndRunningLastTime~0) .cse1) (not (= 0 |old(~methAndRunningLastTime~0)|))))) [2020-07-20 10:41:38,580 INFO L264 CegarLoopResult]: At program point L543(lines 543 549) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0))) [2020-07-20 10:41:38,580 INFO L264 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse3 (and (= 0 ~methAndRunningLastTime~0) .cse1) .cse4) (or .cse0 .cse4 .cse5 .cse2))) [2020-07-20 10:41:38,580 INFO L268 CegarLoopResult]: For program point L536(lines 535 554) no Hoare annotation was computed. [2020-07-20 10:41:38,580 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 532 555) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and .cse3 .cse1) .cse4) (or .cse0 .cse3 .cse4 (not (= 0 |old(~pumpRunning~0)|)) .cse2))) [2020-07-20 10:41:38,580 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 532 555) no Hoare annotation was computed. [2020-07-20 10:41:38,581 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 532 555) no Hoare annotation was computed. [2020-07-20 10:41:38,581 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 417 446) no Hoare annotation was computed. [2020-07-20 10:41:38,581 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 417 446) the Hoare annotation is: true [2020-07-20 10:41:38,581 INFO L271 CegarLoopResult]: At program point L442(lines 417 446) the Hoare annotation is: true [2020-07-20 10:41:38,581 INFO L268 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-07-20 10:41:38,581 INFO L268 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-07-20 10:41:38,581 INFO L271 CegarLoopResult]: At program point L431-1(lines 431 435) the Hoare annotation is: true [2020-07-20 10:41:38,581 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-20 10:41:38,582 INFO L271 CegarLoopResult]: At program point L427-2(lines 427 441) the Hoare annotation is: true [2020-07-20 10:41:38,582 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-07-20 10:41:38,582 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-20 10:41:38,582 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 828 836) the Hoare annotation is: true [2020-07-20 10:41:38,582 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 828 836) no Hoare annotation was computed. [2020-07-20 10:41:38,582 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 828 836) no Hoare annotation was computed. [2020-07-20 10:41:38,582 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 792 803) the Hoare annotation is: true [2020-07-20 10:41:38,583 INFO L268 CegarLoopResult]: For program point L796-1(lines 792 803) no Hoare annotation was computed. [2020-07-20 10:41:38,583 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 792 803) no Hoare annotation was computed. [2020-07-20 10:41:38,583 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 474 480) no Hoare annotation was computed. [2020-07-20 10:41:38,583 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 474 480) the Hoare annotation is: true [2020-07-20 10:41:38,583 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:41:38,583 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 10:41:38,583 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:41:38,583 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:41:38,584 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 804 815) no Hoare annotation was computed. [2020-07-20 10:41:38,584 INFO L268 CegarLoopResult]: For program point L808-1(lines 804 815) no Hoare annotation was computed. [2020-07-20 10:41:38,584 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 804 815) the Hoare annotation is: true [2020-07-20 10:41:38,584 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2020-07-20 10:41:38,584 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-07-20 10:41:38,584 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2020-07-20 10:41:38,584 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2020-07-20 10:41:38,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:41:38 BoogieIcfgContainer [2020-07-20 10:41:38,602 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:41:38,605 INFO L168 Benchmark]: Toolchain (without parser) took 11620.12 ms. Allocated memory was 140.0 MB in the beginning and 341.8 MB in the end (delta: 201.9 MB). Free memory was 103.3 MB in the beginning and 186.8 MB in the end (delta: -83.5 MB). Peak memory consumption was 214.1 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:38,605 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 123.0 MB in the beginning and 122.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:41:38,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.83 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 102.9 MB in the beginning and 172.3 MB in the end (delta: -69.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:38,607 INFO L168 Benchmark]: Boogie Preprocessor took 90.02 ms. Allocated memory is still 205.0 MB. Free memory was 172.3 MB in the beginning and 168.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:38,608 INFO L168 Benchmark]: RCFGBuilder took 1160.45 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 168.2 MB in the beginning and 190.8 MB in the end (delta: -22.6 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:38,609 INFO L168 Benchmark]: TraceAbstraction took 9675.08 ms. Allocated memory was 234.9 MB in the beginning and 341.8 MB in the end (delta: 107.0 MB). Free memory was 190.8 MB in the beginning and 186.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 206.7 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:38,613 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 123.0 MB in the beginning and 122.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.83 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 102.9 MB in the beginning and 172.3 MB in the end (delta: -69.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.02 ms. Allocated memory is still 205.0 MB. Free memory was 172.3 MB in the beginning and 168.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1160.45 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 168.2 MB in the beginning and 190.8 MB in the end (delta: -22.6 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9675.08 ms. Allocated memory was 234.9 MB in the beginning and 341.8 MB in the end (delta: 107.0 MB). Free memory was 190.8 MB in the beginning and 186.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 206.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 734]: Loop Invariant Derived loop invariant: ((((!(1 <= systemActive) || ((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && splverifierCounter <= 0)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter <= 0) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: ((!(0 == \old(methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= systemActive) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 237 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.6s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1406 SDtfs, 676 SDslu, 2994 SDs, 0 SdLazy, 998 SolverSat, 122 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1040 GetRequests, 1005 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=476occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 135 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 911 PreInvPairs, 939 NumberOfFragments, 1324 HoareAnnotationTreeSize, 911 FomulaSimplifications, 1146 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 62 FomulaSimplificationsInter, 2783 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 879 NumberOfCodeBlocks, 879 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1027 ConstructedInterpolants, 0 QuantifiedInterpolants, 255691 SizeOfPredicates, 18 NumberOfNonLiveVariables, 6450 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 359/361 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...