/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_spec5_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:44:16,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:44:16,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:44:16,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:44:16,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:44:16,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:44:16,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:44:16,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:44:16,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:44:16,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:44:16,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:44:16,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:44:16,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:44:16,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:44:16,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:44:16,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:44:16,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:44:16,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:44:16,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:44:16,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:44:16,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:44:16,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:44:16,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:44:16,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:44:16,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:44:16,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:44:16,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:44:16,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:44:16,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:44:16,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:44:16,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:44:16,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:44:16,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:44:16,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:44:16,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:44:16,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:44:16,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:44:16,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:44:16,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:44:16,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:44:16,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:44:16,715 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 10:44:16,739 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:44:16,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:44:16,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:44:16,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:44:16,741 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:44:16,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:44:16,742 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:44:16,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:44:16,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:44:16,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:44:16,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:44:16,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:44:16,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:44:16,743 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:44:16,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:44:16,744 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:44:16,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:44:16,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:44:16,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:44:16,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:44:16,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:44:16,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:44:16,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:44:16,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:44:16,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:44:16,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:44:16,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:16,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:44:16,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:44:16,747 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 10:44:17,028 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:44:17,041 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:44:17,045 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:44:17,046 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:44:17,047 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:44:17,048 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2020-07-20 10:44:17,131 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce3b6dea3/dcc44585c16e41e899f37d57bfd64be5/FLAG246956f03 [2020-07-20 10:44:17,698 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:44:17,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2020-07-20 10:44:17,716 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce3b6dea3/dcc44585c16e41e899f37d57bfd64be5/FLAG246956f03 [2020-07-20 10:44:17,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce3b6dea3/dcc44585c16e41e899f37d57bfd64be5 [2020-07-20 10:44:18,002 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:44:18,005 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:44:18,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:44:18,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:44:18,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:44:18,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:44:17" (1/1) ... [2020-07-20 10:44:18,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd3c9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:18, skipping insertion in model container [2020-07-20 10:44:18,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:44:17" (1/1) ... [2020-07-20 10:44:18,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:44:18,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:44:18,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:44:18,549 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:44:18,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:44:18,694 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:44:18,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:18 WrapperNode [2020-07-20 10:44:18,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:44:18,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:44:18,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:44:18,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:44:18,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:18" (1/1) ... [2020-07-20 10:44:18,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:18" (1/1) ... [2020-07-20 10:44:18,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:18" (1/1) ... [2020-07-20 10:44:18,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:18" (1/1) ... [2020-07-20 10:44:18,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:18" (1/1) ... [2020-07-20 10:44:18,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:18" (1/1) ... [2020-07-20 10:44:18,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:18" (1/1) ... [2020-07-20 10:44:18,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:44:18,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:44:18,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:44:18,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:44:18,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:18" (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 10:44:18,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:44:18,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:44:18,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:44:18,871 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:44:18,871 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:44:18,871 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:44:18,871 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:44:18,871 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 10:44:18,872 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:44:18,872 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:44:18,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:44:18,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:44:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:44:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:44:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 10:44:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 10:44:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 10:44:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:44:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:44:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:44:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:44:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:44:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:44:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:44:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:44:18,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:44:18,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:44:18,878 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:44:18,878 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:44:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:44:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:44:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:44:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:44:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:44:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:44:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:44:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:44:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:44:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:44:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:44:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:44:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:44:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:44:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:44:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 10:44:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:44:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:44:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:44:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:44:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:44:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:44:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:44:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 10:44:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:44:18,883 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:44:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:44:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:44:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:44:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 10:44:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 10:44:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:44:18,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:44:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:44:18,885 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:44:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:44:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:44:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 10:44:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 10:44:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:44:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:44:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:44:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:44:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:44:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:44:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:44:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:44:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:44:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:44:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:44:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:44:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:44:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:44:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:44:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:44:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:44:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:44:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:44:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:44:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:44:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:44:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:44:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:44:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:44:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:44:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:44:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:44:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:44:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:44:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:44:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:44:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:44:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:44:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:44:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:44:20,256 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:44:20,256 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:44:20,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:44:20 BoogieIcfgContainer [2020-07-20 10:44:20,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:44:20,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:44:20,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:44:20,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:44:20,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:44:17" (1/3) ... [2020-07-20 10:44:20,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e6e154c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:44:20, skipping insertion in model container [2020-07-20 10:44:20,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:18" (2/3) ... [2020-07-20 10:44:20,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e6e154c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:44:20, skipping insertion in model container [2020-07-20 10:44:20,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:44:20" (3/3) ... [2020-07-20 10:44:20,271 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product60.cil.c [2020-07-20 10:44:20,283 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:44:20,294 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:44:20,311 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:44:20,343 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:44:20,344 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:44:20,344 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:44:20,345 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:44:20,346 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:44:20,346 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:44:20,347 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:44:20,347 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:44:20,380 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-07-20 10:44:20,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 10:44:20,394 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:20,395 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:20,395 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:20,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:20,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1771327782, now seen corresponding path program 1 times [2020-07-20 10:44:20,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:20,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [125388624] [2020-07-20 10:44:20,410 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 10:44:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:20,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:44:20,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:20,712 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:44:20,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:20,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [125388624] [2020-07-20 10:44:20,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:20,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:44:20,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854038382] [2020-07-20 10:44:20,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:44:20,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:20,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:44:20,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:44:20,750 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 2 states. [2020-07-20 10:44:20,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:20,809 INFO L93 Difference]: Finished difference Result 322 states and 393 transitions. [2020-07-20 10:44:20,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:44:20,810 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 10:44:20,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:20,827 INFO L225 Difference]: With dead ends: 322 [2020-07-20 10:44:20,827 INFO L226 Difference]: Without dead ends: 163 [2020-07-20 10:44:20,834 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:44:20,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-07-20 10:44:20,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2020-07-20 10:44:20,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-07-20 10:44:20,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 190 transitions. [2020-07-20 10:44:20,907 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 190 transitions. Word has length 59 [2020-07-20 10:44:20,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:20,908 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 190 transitions. [2020-07-20 10:44:20,908 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:44:20,908 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 190 transitions. [2020-07-20 10:44:20,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 10:44:20,913 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:20,913 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:21,127 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:21,128 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:21,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:21,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1467126020, now seen corresponding path program 1 times [2020-07-20 10:44:21,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:21,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [776354805] [2020-07-20 10:44:21,129 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 10:44:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:21,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:44:21,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:21,440 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:44:21,441 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:21,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [776354805] [2020-07-20 10:44:21,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:21,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:21,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418128483] [2020-07-20 10:44:21,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:21,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:21,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:21,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:21,445 INFO L87 Difference]: Start difference. First operand 163 states and 190 transitions. Second operand 3 states. [2020-07-20 10:44:21,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:21,470 INFO L93 Difference]: Finished difference Result 261 states and 303 transitions. [2020-07-20 10:44:21,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:21,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 10:44:21,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:21,474 INFO L225 Difference]: With dead ends: 261 [2020-07-20 10:44:21,474 INFO L226 Difference]: Without dead ends: 154 [2020-07-20 10:44:21,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:21,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-07-20 10:44:21,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2020-07-20 10:44:21,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-20 10:44:21,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2020-07-20 10:44:21,493 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 60 [2020-07-20 10:44:21,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:21,493 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2020-07-20 10:44:21,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:21,494 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2020-07-20 10:44:21,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 10:44:21,497 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:21,497 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:21,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:21,711 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:21,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:21,712 INFO L82 PathProgramCache]: Analyzing trace with hash 2049486337, now seen corresponding path program 1 times [2020-07-20 10:44:21,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:21,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1203998080] [2020-07-20 10:44:21,713 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 10:44:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:21,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:44:21,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:21,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:21,940 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:21,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1203998080] [2020-07-20 10:44:21,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:21,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:21,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519397249] [2020-07-20 10:44:21,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:21,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:21,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:21,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:21,943 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand 3 states. [2020-07-20 10:44:21,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:21,985 INFO L93 Difference]: Finished difference Result 402 states and 477 transitions. [2020-07-20 10:44:21,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:21,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 10:44:21,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:21,990 INFO L225 Difference]: With dead ends: 402 [2020-07-20 10:44:21,990 INFO L226 Difference]: Without dead ends: 276 [2020-07-20 10:44:21,992 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 10:44:21,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-07-20 10:44:22,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 270. [2020-07-20 10:44:22,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-07-20 10:44:22,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 319 transitions. [2020-07-20 10:44:22,025 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 319 transitions. Word has length 65 [2020-07-20 10:44:22,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:22,026 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 319 transitions. [2020-07-20 10:44:22,026 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:22,026 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 319 transitions. [2020-07-20 10:44:22,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 10:44:22,029 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:22,029 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:22,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:22,244 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:22,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:22,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1476281748, now seen corresponding path program 1 times [2020-07-20 10:44:22,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:22,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1832643174] [2020-07-20 10:44:22,246 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 10:44:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:22,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:44:22,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:22,524 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:22,524 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:22,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1832643174] [2020-07-20 10:44:22,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:22,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:44:22,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350390143] [2020-07-20 10:44:22,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:44:22,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:22,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:44:22,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:44:22,527 INFO L87 Difference]: Start difference. First operand 270 states and 319 transitions. Second operand 6 states. [2020-07-20 10:44:22,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:22,822 INFO L93 Difference]: Finished difference Result 640 states and 789 transitions. [2020-07-20 10:44:22,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:44:22,823 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 10:44:22,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:22,827 INFO L225 Difference]: With dead ends: 640 [2020-07-20 10:44:22,827 INFO L226 Difference]: Without dead ends: 398 [2020-07-20 10:44:22,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:44:22,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2020-07-20 10:44:22,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 388. [2020-07-20 10:44:22,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2020-07-20 10:44:22,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 463 transitions. [2020-07-20 10:44:22,864 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 463 transitions. Word has length 70 [2020-07-20 10:44:22,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:22,865 INFO L479 AbstractCegarLoop]: Abstraction has 388 states and 463 transitions. [2020-07-20 10:44:22,865 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:44:22,865 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 463 transitions. [2020-07-20 10:44:22,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 10:44:22,870 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:22,870 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:23,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:23,086 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:23,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:23,087 INFO L82 PathProgramCache]: Analyzing trace with hash 340334758, now seen corresponding path program 1 times [2020-07-20 10:44:23,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:23,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [624089955] [2020-07-20 10:44:23,088 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 10:44:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:23,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:44:23,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:23,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:23,310 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:23,310 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [624089955] [2020-07-20 10:44:23,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:23,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:44:23,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073331898] [2020-07-20 10:44:23,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:44:23,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:23,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:44:23,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:44:23,312 INFO L87 Difference]: Start difference. First operand 388 states and 463 transitions. Second operand 6 states. [2020-07-20 10:44:23,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:23,350 INFO L93 Difference]: Finished difference Result 762 states and 940 transitions. [2020-07-20 10:44:23,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:44:23,351 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2020-07-20 10:44:23,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:23,354 INFO L225 Difference]: With dead ends: 762 [2020-07-20 10:44:23,354 INFO L226 Difference]: Without dead ends: 402 [2020-07-20 10:44:23,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:44:23,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2020-07-20 10:44:23,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 398. [2020-07-20 10:44:23,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-07-20 10:44:23,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 473 transitions. [2020-07-20 10:44:23,410 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 473 transitions. Word has length 108 [2020-07-20 10:44:23,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:23,412 INFO L479 AbstractCegarLoop]: Abstraction has 398 states and 473 transitions. [2020-07-20 10:44:23,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:44:23,412 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 473 transitions. [2020-07-20 10:44:23,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 10:44:23,418 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:23,418 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:23,618 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:23,619 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:23,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:23,619 INFO L82 PathProgramCache]: Analyzing trace with hash -2026359836, now seen corresponding path program 1 times [2020-07-20 10:44:23,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:23,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1836309349] [2020-07-20 10:44:23,621 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 10:44:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:23,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 10:44:23,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:23,850 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:23,850 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:23,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1836309349] [2020-07-20 10:44:23,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:23,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 10:44:23,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407346645] [2020-07-20 10:44:23,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 10:44:23,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:23,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 10:44:23,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:44:23,853 INFO L87 Difference]: Start difference. First operand 398 states and 473 transitions. Second operand 5 states. [2020-07-20 10:44:23,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:23,880 INFO L93 Difference]: Finished difference Result 782 states and 960 transitions. [2020-07-20 10:44:23,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 10:44:23,881 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2020-07-20 10:44:23,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:23,884 INFO L225 Difference]: With dead ends: 782 [2020-07-20 10:44:23,884 INFO L226 Difference]: Without dead ends: 412 [2020-07-20 10:44:23,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:44:23,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2020-07-20 10:44:23,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 406. [2020-07-20 10:44:23,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-07-20 10:44:23,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 481 transitions. [2020-07-20 10:44:23,924 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 481 transitions. Word has length 108 [2020-07-20 10:44:23,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:23,925 INFO L479 AbstractCegarLoop]: Abstraction has 406 states and 481 transitions. [2020-07-20 10:44:23,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 10:44:23,925 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 481 transitions. [2020-07-20 10:44:23,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 10:44:23,927 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:23,927 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:24,142 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:24,143 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:24,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:24,144 INFO L82 PathProgramCache]: Analyzing trace with hash 2028067331, now seen corresponding path program 1 times [2020-07-20 10:44:24,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:24,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1642191419] [2020-07-20 10:44:24,146 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 10:44:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:24,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 10:44:24,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:24,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:24,352 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:24,352 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1642191419] [2020-07-20 10:44:24,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:24,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:24,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991040988] [2020-07-20 10:44:24,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:24,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:24,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:24,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:24,354 INFO L87 Difference]: Start difference. First operand 406 states and 481 transitions. Second operand 3 states. [2020-07-20 10:44:24,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:24,406 INFO L93 Difference]: Finished difference Result 1086 states and 1361 transitions. [2020-07-20 10:44:24,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:24,406 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-07-20 10:44:24,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:24,412 INFO L225 Difference]: With dead ends: 1086 [2020-07-20 10:44:24,413 INFO L226 Difference]: Without dead ends: 708 [2020-07-20 10:44:24,415 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:24,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2020-07-20 10:44:24,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 705. [2020-07-20 10:44:24,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2020-07-20 10:44:24,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 862 transitions. [2020-07-20 10:44:24,501 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 862 transitions. Word has length 108 [2020-07-20 10:44:24,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:24,501 INFO L479 AbstractCegarLoop]: Abstraction has 705 states and 862 transitions. [2020-07-20 10:44:24,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:24,502 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 862 transitions. [2020-07-20 10:44:24,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-20 10:44:24,511 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:24,511 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:24,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:24,724 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:24,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:24,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1144962269, now seen corresponding path program 1 times [2020-07-20 10:44:24,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:24,726 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911108101] [2020-07-20 10:44:24,727 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 10:44:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:24,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 10:44:24,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:25,008 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:25,008 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:25,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911108101] [2020-07-20 10:44:25,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:25,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 10:44:25,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681199159] [2020-07-20 10:44:25,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:44:25,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:25,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:44:25,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:44:25,011 INFO L87 Difference]: Start difference. First operand 705 states and 862 transitions. Second operand 10 states. [2020-07-20 10:44:26,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:26,774 INFO L93 Difference]: Finished difference Result 2074 states and 2867 transitions. [2020-07-20 10:44:26,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 10:44:26,775 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 112 [2020-07-20 10:44:26,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:26,786 INFO L225 Difference]: With dead ends: 2074 [2020-07-20 10:44:26,786 INFO L226 Difference]: Without dead ends: 1397 [2020-07-20 10:44:26,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 10:44:26,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1397 states. [2020-07-20 10:44:26,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1397 to 1028. [2020-07-20 10:44:26,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1028 states. [2020-07-20 10:44:26,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1263 transitions. [2020-07-20 10:44:26,875 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1263 transitions. Word has length 112 [2020-07-20 10:44:26,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:26,876 INFO L479 AbstractCegarLoop]: Abstraction has 1028 states and 1263 transitions. [2020-07-20 10:44:26,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:44:26,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1263 transitions. [2020-07-20 10:44:26,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-20 10:44:26,880 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:26,880 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:44:27,094 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:27,095 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:27,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:27,096 INFO L82 PathProgramCache]: Analyzing trace with hash 215857978, now seen corresponding path program 1 times [2020-07-20 10:44:27,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:27,097 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1100235470] [2020-07-20 10:44:27,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:27,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 10:44:27,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:27,359 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 10:44:27,360 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:27,360 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1100235470] [2020-07-20 10:44:27,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:27,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:27,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102483097] [2020-07-20 10:44:27,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:27,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:27,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:27,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:27,362 INFO L87 Difference]: Start difference. First operand 1028 states and 1263 transitions. Second operand 3 states. [2020-07-20 10:44:27,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:27,474 INFO L93 Difference]: Finished difference Result 1733 states and 2128 transitions. [2020-07-20 10:44:27,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:27,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-20 10:44:27,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:27,482 INFO L225 Difference]: With dead ends: 1733 [2020-07-20 10:44:27,482 INFO L226 Difference]: Without dead ends: 733 [2020-07-20 10:44:27,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 151 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 10:44:27,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2020-07-20 10:44:27,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 713. [2020-07-20 10:44:27,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 713 states. [2020-07-20 10:44:27,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 854 transitions. [2020-07-20 10:44:27,535 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 854 transitions. Word has length 153 [2020-07-20 10:44:27,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:27,537 INFO L479 AbstractCegarLoop]: Abstraction has 713 states and 854 transitions. [2020-07-20 10:44:27,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:27,537 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 854 transitions. [2020-07-20 10:44:27,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-20 10:44:27,541 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:27,541 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:27,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:27,756 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:27,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:27,757 INFO L82 PathProgramCache]: Analyzing trace with hash 164237146, now seen corresponding path program 1 times [2020-07-20 10:44:27,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:27,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2122505301] [2020-07-20 10:44:27,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:27,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:44:27,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:28,033 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:28,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:44:28,469 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 10:44:28,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2122505301] [2020-07-20 10:44:28,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 10:44:28,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 10:44:28,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215403651] [2020-07-20 10:44:28,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:44:28,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:28,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:44:28,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:44:28,472 INFO L87 Difference]: Start difference. First operand 713 states and 854 transitions. Second operand 10 states. [2020-07-20 10:44:29,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:29,377 INFO L93 Difference]: Finished difference Result 1573 states and 1901 transitions. [2020-07-20 10:44:29,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 10:44:29,378 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 174 [2020-07-20 10:44:29,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:29,380 INFO L225 Difference]: With dead ends: 1573 [2020-07-20 10:44:29,380 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:44:29,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 335 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 10:44:29,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:44:29,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:44:29,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:44:29,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:44:29,386 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 174 [2020-07-20 10:44:29,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:29,387 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:44:29,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:44:29,387 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:44:29,387 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:44:29,600 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:29,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:44:31,041 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2020-07-20 10:44:31,407 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-07-20 10:44:31,870 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 48 [2020-07-20 10:44:32,018 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 10:44:32,199 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 10:44:32,783 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2020-07-20 10:44:33,060 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2020-07-20 10:44:33,523 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-20 10:44:33,658 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2020-07-20 10:44:34,055 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2020-07-20 10:44:34,163 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 26 [2020-07-20 10:44:34,358 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 10:44:34,669 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2020-07-20 10:44:34,850 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2020-07-20 10:44:35,127 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2020-07-20 10:44:35,426 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 35 [2020-07-20 10:44:35,494 INFO L268 CegarLoopResult]: For program point L501(lines 501 505) no Hoare annotation was computed. [2020-07-20 10:44:35,494 INFO L268 CegarLoopResult]: For program point L501-1(lines 501 505) no Hoare annotation was computed. [2020-07-20 10:44:35,495 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 470 525) no Hoare annotation was computed. [2020-07-20 10:44:35,495 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 10:44:35,495 INFO L268 CegarLoopResult]: For program point L495-2(lines 495 516) no Hoare annotation was computed. [2020-07-20 10:44:35,495 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 470 525) no Hoare annotation was computed. [2020-07-20 10:44:35,495 INFO L268 CegarLoopResult]: For program point L517(lines 494 518) no Hoare annotation was computed. [2020-07-20 10:44:35,495 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 470 525) no Hoare annotation was computed. [2020-07-20 10:44:35,495 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 10:44:35,495 INFO L268 CegarLoopResult]: For program point L571-1(line 571) no Hoare annotation was computed. [2020-07-20 10:44:35,496 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 526 585) no Hoare annotation was computed. [2020-07-20 10:44:35,496 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 526 585) no Hoare annotation was computed. [2020-07-20 10:44:35,496 INFO L268 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-07-20 10:44:35,496 INFO L268 CegarLoopResult]: For program point L558-1(lines 558 562) no Hoare annotation was computed. [2020-07-20 10:44:35,496 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 526 585) no Hoare annotation was computed. [2020-07-20 10:44:35,497 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 10:44:35,497 INFO L268 CegarLoopResult]: For program point L552-2(lines 552 577) no Hoare annotation was computed. [2020-07-20 10:44:35,497 INFO L268 CegarLoopResult]: For program point L578(lines 551 579) no Hoare annotation was computed. [2020-07-20 10:44:35,497 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 902 908) the Hoare annotation is: true [2020-07-20 10:44:35,497 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 902 908) no Hoare annotation was computed. [2020-07-20 10:44:35,498 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 909 917) no Hoare annotation was computed. [2020-07-20 10:44:35,498 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 909 917) the Hoare annotation is: true [2020-07-20 10:44:35,498 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 909 917) no Hoare annotation was computed. [2020-07-20 10:44:35,498 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 370 377) the Hoare annotation is: true [2020-07-20 10:44:35,498 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 370 377) no Hoare annotation was computed. [2020-07-20 10:44:35,498 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 370 377) no Hoare annotation was computed. [2020-07-20 10:44:35,499 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 378 387) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse4 .cse0 .cse1 .cse2 .cse3))) [2020-07-20 10:44:35,499 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-07-20 10:44:35,499 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 378 387) no Hoare annotation was computed. [2020-07-20 10:44:35,499 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 378 387) no Hoare annotation was computed. [2020-07-20 10:44:35,499 INFO L264 CegarLoopResult]: At program point L403(line 403) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 10:44:35,499 INFO L268 CegarLoopResult]: For program point L401(lines 401 407) no Hoare annotation was computed. [2020-07-20 10:44:35,500 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 388 416) the Hoare annotation is: true [2020-07-20 10:44:35,500 INFO L268 CegarLoopResult]: For program point L400(lines 400 410) no Hoare annotation was computed. [2020-07-20 10:44:35,500 INFO L264 CegarLoopResult]: At program point L398(line 398) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 10:44:35,500 INFO L268 CegarLoopResult]: For program point L398-1(line 398) no Hoare annotation was computed. [2020-07-20 10:44:35,500 INFO L268 CegarLoopResult]: For program point L396(lines 396 413) no Hoare annotation was computed. [2020-07-20 10:44:35,500 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 388 416) no Hoare annotation was computed. [2020-07-20 10:44:35,501 INFO L268 CegarLoopResult]: For program point L396-1(lines 388 416) no Hoare annotation was computed. [2020-07-20 10:44:35,501 INFO L271 CegarLoopResult]: At program point L394(line 394) the Hoare annotation is: true [2020-07-20 10:44:35,501 INFO L268 CegarLoopResult]: For program point L394-1(line 394) no Hoare annotation was computed. [2020-07-20 10:44:35,501 INFO L264 CegarLoopResult]: At program point L866-1(line 866) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:35,501 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 860 882) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:35,501 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 860 882) no Hoare annotation was computed. [2020-07-20 10:44:35,501 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 860 882) no Hoare annotation was computed. [2020-07-20 10:44:35,501 INFO L264 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:35,502 INFO L264 CegarLoopResult]: At program point L872-1(line 872) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:35,502 INFO L268 CegarLoopResult]: For program point L870(lines 870 877) no Hoare annotation was computed. [2020-07-20 10:44:35,502 INFO L268 CegarLoopResult]: For program point L870-1(lines 870 877) no Hoare annotation was computed. [2020-07-20 10:44:35,502 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-07-20 10:44:35,502 INFO L264 CegarLoopResult]: At program point L867(line 867) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:35,502 INFO L264 CegarLoopResult]: At program point L866(line 866) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:35,502 INFO L268 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-07-20 10:44:35,503 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-07-20 10:44:35,503 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 815 838) no Hoare annotation was computed. [2020-07-20 10:44:35,503 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-07-20 10:44:35,503 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-07-20 10:44:35,503 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-07-20 10:44:35,503 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 815 838) no Hoare annotation was computed. [2020-07-20 10:44:35,503 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-20 10:44:35,503 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 815 838) no Hoare annotation was computed. [2020-07-20 10:44:35,504 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-07-20 10:44:35,504 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-07-20 10:44:35,504 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-07-20 10:44:35,504 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-07-20 10:44:35,504 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-20 10:44:35,504 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-07-20 10:44:35,504 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-07-20 10:44:35,504 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-07-20 10:44:35,504 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 271 285) no Hoare annotation was computed. [2020-07-20 10:44:35,505 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 271 285) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-20 10:44:35,505 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-20 10:44:35,505 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 271 285) no Hoare annotation was computed. [2020-07-20 10:44:35,505 INFO L268 CegarLoopResult]: For program point L275(lines 275 281) no Hoare annotation was computed. [2020-07-20 10:44:35,505 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 188 196) no Hoare annotation was computed. [2020-07-20 10:44:35,505 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 188 196) the Hoare annotation is: true [2020-07-20 10:44:35,506 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 188 196) no Hoare annotation was computed. [2020-07-20 10:44:35,506 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 252 270) the Hoare annotation is: true [2020-07-20 10:44:35,506 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 252 270) no Hoare annotation was computed. [2020-07-20 10:44:35,506 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 10:44:35,506 INFO L271 CegarLoopResult]: At program point L259(line 259) the Hoare annotation is: true [2020-07-20 10:44:35,506 INFO L268 CegarLoopResult]: For program point L261-2(lines 261 265) no Hoare annotation was computed. [2020-07-20 10:44:35,506 INFO L268 CegarLoopResult]: For program point L259-1(line 259) no Hoare annotation was computed. [2020-07-20 10:44:35,506 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 252 270) no Hoare annotation was computed. [2020-07-20 10:44:35,507 INFO L268 CegarLoopResult]: For program point L216(lines 216 224) no Hoare annotation was computed. [2020-07-20 10:44:35,507 INFO L268 CegarLoopResult]: For program point L216-2(lines 216 224) no Hoare annotation was computed. [2020-07-20 10:44:35,507 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 197 232) no Hoare annotation was computed. [2020-07-20 10:44:35,507 INFO L268 CegarLoopResult]: For program point L204(lines 204 212) no Hoare annotation was computed. [2020-07-20 10:44:35,507 INFO L268 CegarLoopResult]: For program point L204-2(lines 204 212) no Hoare annotation was computed. [2020-07-20 10:44:35,507 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 197 232) no Hoare annotation was computed. [2020-07-20 10:44:35,507 INFO L268 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2020-07-20 10:44:35,507 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 197 232) no Hoare annotation was computed. [2020-07-20 10:44:35,507 INFO L268 CegarLoopResult]: For program point L227-1(line 227) no Hoare annotation was computed. [2020-07-20 10:44:35,508 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 895 901) no Hoare annotation was computed. [2020-07-20 10:44:35,508 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 895 901) the Hoare annotation is: true [2020-07-20 10:44:35,508 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 424 469) no Hoare annotation was computed. [2020-07-20 10:44:35,508 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 424 469) no Hoare annotation was computed. [2020-07-20 10:44:35,508 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 424 469) no Hoare annotation was computed. [2020-07-20 10:44:35,508 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 737 782) no Hoare annotation was computed. [2020-07-20 10:44:35,508 INFO L268 CegarLoopResult]: For program point L757(lines 757 764) no Hoare annotation was computed. [2020-07-20 10:44:35,508 INFO L268 CegarLoopResult]: For program point L751(lines 751 771) no Hoare annotation was computed. [2020-07-20 10:44:35,508 INFO L268 CegarLoopResult]: For program point L751-1(lines 751 771) no Hoare annotation was computed. [2020-07-20 10:44:35,509 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 737 782) no Hoare annotation was computed. [2020-07-20 10:44:35,509 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 737 782) no Hoare annotation was computed. [2020-07-20 10:44:35,509 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 846 856) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:35,509 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 846 856) no Hoare annotation was computed. [2020-07-20 10:44:35,509 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 846 856) no Hoare annotation was computed. [2020-07-20 10:44:35,509 INFO L264 CegarLoopResult]: At program point L851(line 851) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:35,510 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 177 187) the Hoare annotation is: true [2020-07-20 10:44:35,510 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 177 187) no Hoare annotation was computed. [2020-07-20 10:44:35,510 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 177 187) no Hoare annotation was computed. [2020-07-20 10:44:35,510 INFO L271 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: true [2020-07-20 10:44:35,510 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-07-20 10:44:35,510 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 169 176) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-20 10:44:35,510 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 169 176) no Hoare annotation was computed. [2020-07-20 10:44:35,510 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 169 176) no Hoare annotation was computed. [2020-07-20 10:44:35,511 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 1007 1020) no Hoare annotation was computed. [2020-07-20 10:44:35,511 INFO L268 CegarLoopResult]: For program point L1011(lines 1011 1017) no Hoare annotation was computed. [2020-07-20 10:44:35,511 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 1007 1020) the Hoare annotation is: true [2020-07-20 10:44:35,511 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 1007 1020) no Hoare annotation was computed. [2020-07-20 10:44:35,511 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:35,511 INFO L268 CegarLoopResult]: For program point L126(lines 126 134) no Hoare annotation was computed. [2020-07-20 10:44:35,511 INFO L264 CegarLoopResult]: At program point L124(line 124) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:35,512 INFO L268 CegarLoopResult]: For program point L124-1(line 124) no Hoare annotation was computed. [2020-07-20 10:44:35,512 INFO L268 CegarLoopResult]: For program point L122(lines 122 139) no Hoare annotation was computed. [2020-07-20 10:44:35,512 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 118 142) no Hoare annotation was computed. [2020-07-20 10:44:35,512 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 118 142) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:35,512 INFO L264 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:35,512 INFO L268 CegarLoopResult]: For program point L137-1(lines 118 142) no Hoare annotation was computed. [2020-07-20 10:44:35,513 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:35,513 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 84 90) no Hoare annotation was computed. [2020-07-20 10:44:35,513 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 84 90) the Hoare annotation is: true [2020-07-20 10:44:35,513 INFO L264 CegarLoopResult]: At program point L320(line 320) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:35,513 INFO L264 CegarLoopResult]: At program point testENTRY(lines 298 365) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:35,513 INFO L268 CegarLoopResult]: For program point L318(lines 318 324) no Hoare annotation was computed. [2020-07-20 10:44:35,513 INFO L268 CegarLoopResult]: For program point L318-1(lines 318 324) no Hoare annotation was computed. [2020-07-20 10:44:35,514 INFO L268 CegarLoopResult]: For program point testFINAL(lines 298 365) no Hoare annotation was computed. [2020-07-20 10:44:35,514 INFO L268 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2020-07-20 10:44:35,514 INFO L264 CegarLoopResult]: At program point L358(lines 307 359) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:35,514 INFO L264 CegarLoopResult]: At program point L348(line 348) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:44:35,514 INFO L268 CegarLoopResult]: For program point L346(lines 346 352) no Hoare annotation was computed. [2020-07-20 10:44:35,514 INFO L264 CegarLoopResult]: At program point L346-1(lines 338 353) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:35,515 INFO L268 CegarLoopResult]: For program point L309(lines 308 357) no Hoare annotation was computed. [2020-07-20 10:44:35,515 INFO L264 CegarLoopResult]: At program point L340(line 340) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:44:35,515 INFO L268 CegarLoopResult]: For program point L338(lines 338 353) no Hoare annotation was computed. [2020-07-20 10:44:35,515 INFO L264 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:35,515 INFO L268 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2020-07-20 10:44:35,515 INFO L268 CegarLoopResult]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2020-07-20 10:44:35,515 INFO L264 CegarLoopResult]: At program point L355(lines 308 357) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:35,516 INFO L268 CegarLoopResult]: For program point testEXIT(lines 298 365) no Hoare annotation was computed. [2020-07-20 10:44:35,516 INFO L268 CegarLoopResult]: For program point L705(lines 705 725) no Hoare annotation was computed. [2020-07-20 10:44:35,516 INFO L268 CegarLoopResult]: For program point L705-1(lines 705 725) no Hoare annotation was computed. [2020-07-20 10:44:35,516 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 691 736) no Hoare annotation was computed. [2020-07-20 10:44:35,516 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 691 736) no Hoare annotation was computed. [2020-07-20 10:44:35,516 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 691 736) no Hoare annotation was computed. [2020-07-20 10:44:35,516 INFO L268 CegarLoopResult]: For program point L711(lines 711 718) no Hoare annotation was computed. [2020-07-20 10:44:35,517 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 143 150) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:35,517 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 143 150) no Hoare annotation was computed. [2020-07-20 10:44:35,517 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 143 150) no Hoare annotation was computed. [2020-07-20 10:44:35,517 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 1021 1029) no Hoare annotation was computed. [2020-07-20 10:44:35,517 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 1021 1029) the Hoare annotation is: true [2020-07-20 10:44:35,517 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 1021 1029) no Hoare annotation was computed. [2020-07-20 10:44:35,517 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 975 997) no Hoare annotation was computed. [2020-07-20 10:44:35,518 INFO L268 CegarLoopResult]: For program point L983(lines 983 991) no Hoare annotation was computed. [2020-07-20 10:44:35,518 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 975 997) no Hoare annotation was computed. [2020-07-20 10:44:35,518 INFO L268 CegarLoopResult]: For program point L983-2(lines 983 991) no Hoare annotation was computed. [2020-07-20 10:44:35,518 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 975 997) no Hoare annotation was computed. [2020-07-20 10:44:35,518 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 588 690) no Hoare annotation was computed. [2020-07-20 10:44:35,518 INFO L268 CegarLoopResult]: For program point L638(lines 637 657) no Hoare annotation was computed. [2020-07-20 10:44:35,518 INFO L268 CegarLoopResult]: For program point L669(line 669) no Hoare annotation was computed. [2020-07-20 10:44:35,518 INFO L268 CegarLoopResult]: For program point L669-1(line 669) no Hoare annotation was computed. [2020-07-20 10:44:35,519 INFO L268 CegarLoopResult]: For program point L634(lines 634 675) no Hoare annotation was computed. [2020-07-20 10:44:35,519 INFO L268 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-07-20 10:44:35,519 INFO L268 CegarLoopResult]: For program point L653-1(line 653) no Hoare annotation was computed. [2020-07-20 10:44:35,519 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 588 690) no Hoare annotation was computed. [2020-07-20 10:44:35,519 INFO L268 CegarLoopResult]: For program point L612(lines 612 616) no Hoare annotation was computed. [2020-07-20 10:44:35,519 INFO L268 CegarLoopResult]: For program point L676(lines 676 687) no Hoare annotation was computed. [2020-07-20 10:44:35,519 INFO L268 CegarLoopResult]: For program point L639(lines 639 643) no Hoare annotation was computed. [2020-07-20 10:44:35,519 INFO L268 CegarLoopResult]: For program point L637-2(lines 637 657) no Hoare annotation was computed. [2020-07-20 10:44:35,520 INFO L268 CegarLoopResult]: For program point L658(lines 636 659) no Hoare annotation was computed. [2020-07-20 10:44:35,520 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 588 690) no Hoare annotation was computed. [2020-07-20 10:44:35,520 INFO L268 CegarLoopResult]: For program point L617(lines 617 633) no Hoare annotation was computed. [2020-07-20 10:44:35,520 INFO L268 CegarLoopResult]: For program point L677(lines 677 684) no Hoare annotation was computed. [2020-07-20 10:44:35,520 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 885 894) no Hoare annotation was computed. [2020-07-20 10:44:35,520 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 885 894) no Hoare annotation was computed. [2020-07-20 10:44:35,520 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 885 894) no Hoare annotation was computed. [2020-07-20 10:44:35,520 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:35,520 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-20 10:44:35,521 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:35,521 INFO L268 CegarLoopResult]: For program point L159(lines 159 165) no Hoare annotation was computed. [2020-07-20 10:44:35,521 INFO L264 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:35,521 INFO L268 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-07-20 10:44:35,521 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 152 168) no Hoare annotation was computed. [2020-07-20 10:44:35,521 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 152 168) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:35,522 INFO L264 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:35,522 INFO L268 CegarLoopResult]: For program point L163-1(lines 152 168) no Hoare annotation was computed. [2020-07-20 10:44:35,522 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 233 251) no Hoare annotation was computed. [2020-07-20 10:44:35,522 INFO L271 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: true [2020-07-20 10:44:35,522 INFO L268 CegarLoopResult]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2020-07-20 10:44:35,522 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-20 10:44:35,522 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 233 251) the Hoare annotation is: true [2020-07-20 10:44:35,522 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 233 251) no Hoare annotation was computed. [2020-07-20 10:44:35,523 INFO L268 CegarLoopResult]: For program point L242(lines 242 246) no Hoare annotation was computed. [2020-07-20 10:44:35,523 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 998 1006) the Hoare annotation is: true [2020-07-20 10:44:35,523 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 998 1006) no Hoare annotation was computed. [2020-07-20 10:44:35,523 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 998 1006) no Hoare annotation was computed. [2020-07-20 10:44:35,523 INFO L268 CegarLoopResult]: For program point L958-1(lines 954 965) no Hoare annotation was computed. [2020-07-20 10:44:35,523 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 954 965) the Hoare annotation is: true [2020-07-20 10:44:35,523 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 954 965) no Hoare annotation was computed. [2020-07-20 10:44:35,523 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:35,524 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:44:35,524 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:35,524 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 966 974) the Hoare annotation is: true [2020-07-20 10:44:35,524 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 966 974) no Hoare annotation was computed. [2020-07-20 10:44:35,524 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 966 974) no Hoare annotation was computed. [2020-07-20 10:44:35,524 INFO L268 CegarLoopResult]: For program point L64(lines 60 82) no Hoare annotation was computed. [2020-07-20 10:44:35,524 INFO L268 CegarLoopResult]: For program point L62(lines 60 82) no Hoare annotation was computed. [2020-07-20 10:44:35,525 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 57 83) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (= 0 ~systemActive~0))) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 2)) (.cse11 (= 0 ~pumpRunning~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse6) .cse2) (or .cse8 .cse9 .cse10 (and .cse7 .cse11)) (or .cse0 .cse4 .cse10 .cse2 .cse3) (or .cse9 .cse10 (and .cse4 .cse5 .cse11) .cse2 .cse3) (or .cse8 .cse0 .cse7 .cse10) (or .cse0 .cse12 .cse10 .cse13 .cse2) (or .cse12 .cse9 .cse10 .cse13 .cse2) (or .cse0 .cse10 (and .cse5 .cse11) .cse2))) [2020-07-20 10:44:35,525 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 57 83) no Hoare annotation was computed. [2020-07-20 10:44:35,525 INFO L264 CegarLoopResult]: At program point L73(line 73) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (and .cse4 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse2 .cse6 .cse3)))) [2020-07-20 10:44:35,525 INFO L264 CegarLoopResult]: At program point L71(lines 71 77) the Hoare annotation is: (let ((.cse12 (<= 1 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= 0 ~pumpRunning~0)) (.cse13 (<= ~waterLevel~0 1))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and .cse7 .cse10 (<= 1 ~switchedOnBeforeTS~0) .cse13)) (.cse4 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse13 .cse12)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (= 0 ~systemActive~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (<= 2 ~waterLevel~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse6 .cse0 .cse1 .cse2 .cse4) (or .cse6 .cse0 .cse9 (and .cse7 .cse10)) (or .cse11 .cse8 .cse9 .cse3 .cse5) (or .cse8 .cse9 (and (<= ~waterLevel~0 2) .cse10) .cse3) (or .cse0 (and .cse11 .cse7 .cse10) .cse9 (and .cse11 .cse7 .cse12) .cse3 .cse5)))) [2020-07-20 10:44:35,525 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 57 83) no Hoare annotation was computed. [2020-07-20 10:44:35,526 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 ~pumpRunning~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or (not (= 0 ~systemActive~0)) .cse5 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse4 (and .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse3) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 10:44:35,526 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 785 814) no Hoare annotation was computed. [2020-07-20 10:44:35,526 INFO L268 CegarLoopResult]: For program point L799(lines 799 803) no Hoare annotation was computed. [2020-07-20 10:44:35,526 INFO L271 CegarLoopResult]: At program point L799-1(lines 799 803) the Hoare annotation is: true [2020-07-20 10:44:35,526 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 785 814) the Hoare annotation is: true [2020-07-20 10:44:35,526 INFO L268 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-07-20 10:44:35,526 INFO L271 CegarLoopResult]: At program point L795-2(lines 795 809) the Hoare annotation is: true [2020-07-20 10:44:35,526 INFO L271 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: true [2020-07-20 10:44:35,526 INFO L268 CegarLoopResult]: For program point L791-1(line 791) no Hoare annotation was computed. [2020-07-20 10:44:35,527 INFO L271 CegarLoopResult]: At program point L810(lines 785 814) the Hoare annotation is: true [2020-07-20 10:44:35,527 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-20 10:44:35,527 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 930 941) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 10:44:35,527 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 930 941) no Hoare annotation was computed. [2020-07-20 10:44:35,527 INFO L268 CegarLoopResult]: For program point L934-1(lines 930 941) no Hoare annotation was computed. [2020-07-20 10:44:35,527 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 839 845) no Hoare annotation was computed. [2020-07-20 10:44:35,527 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 839 845) the Hoare annotation is: true [2020-07-20 10:44:35,527 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:35,527 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 10:44:35,528 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:44:35,528 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:35,528 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 286 293) no Hoare annotation was computed. [2020-07-20 10:44:35,528 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 286 293) the Hoare annotation is: true [2020-07-20 10:44:35,528 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 286 293) no Hoare annotation was computed. [2020-07-20 10:44:35,528 INFO L268 CegarLoopResult]: For program point L98-1(line 98) no Hoare annotation was computed. [2020-07-20 10:44:35,528 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 92 116) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:35,528 INFO L268 CegarLoopResult]: For program point L96(lines 96 113) no Hoare annotation was computed. [2020-07-20 10:44:35,529 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 92 116) no Hoare annotation was computed. [2020-07-20 10:44:35,529 INFO L264 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:35,529 INFO L268 CegarLoopResult]: For program point L111-1(lines 92 116) no Hoare annotation was computed. [2020-07-20 10:44:35,529 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:35,529 INFO L264 CegarLoopResult]: At program point L102(line 102) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (<= ~waterLevel~0 2)) .cse2 (= 0 ~pumpRunning~0)) (or .cse0 .cse2 .cse1))) [2020-07-20 10:44:35,529 INFO L268 CegarLoopResult]: For program point L100(lines 100 108) no Hoare annotation was computed. [2020-07-20 10:44:35,529 INFO L264 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:35,530 INFO L268 CegarLoopResult]: For program point L946-1(lines 942 953) no Hoare annotation was computed. [2020-07-20 10:44:35,530 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 942 953) no Hoare annotation was computed. [2020-07-20 10:44:35,530 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 942 953) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse6 .cse5 .cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse8) (or .cse6 .cse7 .cse1 .cse3) (or .cse5 .cse0 .cse2 .cse8 .cse4) (or .cse6 .cse5 .cse7 .cse3))) [2020-07-20 10:44:35,530 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 919 926) no Hoare annotation was computed. [2020-07-20 10:44:35,530 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 923) no Hoare annotation was computed. [2020-07-20 10:44:35,530 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 919 926) the Hoare annotation is: true [2020-07-20 10:44:35,531 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 919 926) no Hoare annotation was computed. [2020-07-20 10:44:35,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:44:35 BoogieIcfgContainer [2020-07-20 10:44:35,556 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:44:35,558 INFO L168 Benchmark]: Toolchain (without parser) took 17553.82 ms. Allocated memory was 137.4 MB in the beginning and 442.5 MB in the end (delta: 305.1 MB). Free memory was 100.7 MB in the beginning and 177.5 MB in the end (delta: -76.9 MB). Peak memory consumption was 323.5 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:35,559 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:44:35,560 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.59 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 100.2 MB in the beginning and 169.6 MB in the end (delta: -69.4 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:35,560 INFO L168 Benchmark]: Boogie Preprocessor took 91.08 ms. Allocated memory is still 201.9 MB. Free memory was 169.6 MB in the beginning and 165.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:35,561 INFO L168 Benchmark]: RCFGBuilder took 1475.50 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 165.4 MB in the beginning and 191.9 MB in the end (delta: -26.5 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:35,562 INFO L168 Benchmark]: TraceAbstraction took 15292.63 ms. Allocated memory was 232.8 MB in the beginning and 442.5 MB in the end (delta: 209.7 MB). Free memory was 191.9 MB in the beginning and 177.5 MB in the end (delta: 14.4 MB). Peak memory consumption was 319.3 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:35,566 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 688.59 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 100.2 MB in the beginning and 169.6 MB in the end (delta: -69.4 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.08 ms. Allocated memory is still 201.9 MB. Free memory was 169.6 MB in the beginning and 165.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1475.50 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 165.4 MB in the beginning and 191.9 MB in the end (delta: -26.5 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15292.63 ms. Allocated memory was 232.8 MB in the beginning and 442.5 MB in the end (delta: 209.7 MB). Free memory was 191.9 MB in the beginning and 177.5 MB in the end (delta: 14.4 MB). Peak memory consumption was 319.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 923]: 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: 307]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 262 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2177 SDtfs, 1217 SDslu, 3733 SDs, 0 SdLazy, 1944 SolverSat, 448 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1204 GetRequests, 1145 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1028occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 418 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 1965 PreInvPairs, 2082 NumberOfFragments, 2226 HoareAnnotationTreeSize, 1965 FomulaSimplifications, 3358 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 72 FomulaSimplificationsInter, 9468 FormulaSimplificationTreeSizeReductionInter, 4.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1017 NumberOfCodeBlocks, 1017 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1180 ConstructedInterpolants, 0 QuantifiedInterpolants, 263616 SizeOfPredicates, 26 NumberOfNonLiveVariables, 8059 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 122/144 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...