/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_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:43:47,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:43:47,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:43:47,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:43:47,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:43:47,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:43:47,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:43:47,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:43:47,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:43:47,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:43:47,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:43:47,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:43:47,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:43:47,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:43:47,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:43:47,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:43:47,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:43:47,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:43:47,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:43:47,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:43:47,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:43:47,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:43:47,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:43:47,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:43:47,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:43:47,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:43:47,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:43:47,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:43:47,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:43:47,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:43:47,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:43:47,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:43:47,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:43:47,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:43:47,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:43:47,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:43:47,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:43:47,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:43:47,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:43:47,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:43:47,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:43:47,751 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 10:43:47,784 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:43:47,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:43:47,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:43:47,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:43:47,791 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:43:47,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:43:47,792 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:43:47,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:43:47,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:43:47,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:43:47,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:43:47,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:43:47,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:43:47,794 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:43:47,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:43:47,794 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:43:47,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:43:47,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:43:47,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:43:47,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:43:47,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:43:47,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:43:47,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:43:47,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:43:47,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:43:47,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:43:47,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:47,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:43:47,797 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:43:47,797 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 10:43:48,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:43:48,093 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:43:48,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:43:48,098 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:43:48,099 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:43:48,100 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2020-07-20 10:43:48,172 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5b71b20e/cbd3d32a14da4cccab83cf62bc6c3ab7/FLAGd3701a00e [2020-07-20 10:43:48,630 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:43:48,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2020-07-20 10:43:48,650 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5b71b20e/cbd3d32a14da4cccab83cf62bc6c3ab7/FLAGd3701a00e [2020-07-20 10:43:49,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5b71b20e/cbd3d32a14da4cccab83cf62bc6c3ab7 [2020-07-20 10:43:49,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:43:49,016 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:43:49,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:43:49,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:43:49,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:43:49,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:43:49" (1/1) ... [2020-07-20 10:43:49,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bcee9e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:49, skipping insertion in model container [2020-07-20 10:43:49,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:43:49" (1/1) ... [2020-07-20 10:43:49,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:43:49,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:43:49,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:43:49,604 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:43:49,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:43:49,719 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:43:49,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:49 WrapperNode [2020-07-20 10:43:49,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:43:49,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:43:49,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:43:49,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:43:49,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:49" (1/1) ... [2020-07-20 10:43:49,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:49" (1/1) ... [2020-07-20 10:43:49,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:49" (1/1) ... [2020-07-20 10:43:49,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:49" (1/1) ... [2020-07-20 10:43:49,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:49" (1/1) ... [2020-07-20 10:43:49,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:49" (1/1) ... [2020-07-20 10:43:49,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:49" (1/1) ... [2020-07-20 10:43:49,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:43:49,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:43:49,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:43:49,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:43:49,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:49" (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 10:43:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:43:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:43:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:43:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:43:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:43:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:43:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:43:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:43:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:43:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:43:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:43:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:43:49,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:43:49,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:43:49,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:43:49,869 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:43:49,869 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:43:49,869 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:43:49,869 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:43:49,870 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:43:49,870 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:43:49,870 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:43:49,871 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:43:49,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:43:49,873 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:43:49,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:43:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:43:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:43:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:43:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:43:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:43:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:43:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:43:49,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:43:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:43:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:43:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 10:43:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:43:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:43:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:43:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:43:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:43:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:43:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:43:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:43:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:43:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:43:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:43:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:43:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:43:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:43:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:43:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:43:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:43:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:43:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:43:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:43:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:43:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:43:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:43:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:43:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:43:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:43:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:43:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:43:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:43:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:43:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:43:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:43:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:43:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:43:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:43:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:43:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:43:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:43:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:43:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 10:43:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:43:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:43:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:43:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:43:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:43:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:43:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:43:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:43:49,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:43:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:43:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:43:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:43:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:43:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:43:49,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:43:49,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:43:49,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:43:50,824 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:43:50,824 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:43:50,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:43:50 BoogieIcfgContainer [2020-07-20 10:43:50,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:43:50,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:43:50,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:43:50,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:43:50,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:43:49" (1/3) ... [2020-07-20 10:43:50,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49498e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:43:50, skipping insertion in model container [2020-07-20 10:43:50,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:49" (2/3) ... [2020-07-20 10:43:50,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49498e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:43:50, skipping insertion in model container [2020-07-20 10:43:50,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:43:50" (3/3) ... [2020-07-20 10:43:50,837 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2020-07-20 10:43:50,847 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:43:50,854 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:43:50,868 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:43:50,894 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:43:50,894 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:43:50,894 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:43:50,894 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:43:50,895 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:43:50,895 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:43:50,895 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:43:50,895 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:43:50,918 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2020-07-20 10:43:50,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 10:43:50,928 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:50,929 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 10:43:50,929 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:50,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:50,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1963515353, now seen corresponding path program 1 times [2020-07-20 10:43:50,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:50,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [537710216] [2020-07-20 10:43:50,949 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 10:43:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:51,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:43:51,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:51,282 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 10:43:51,283 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:51,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [537710216] [2020-07-20 10:43:51,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:51,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:43:51,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942325600] [2020-07-20 10:43:51,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:43:51,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:51,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:43:51,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:43:51,307 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 2 states. [2020-07-20 10:43:51,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:51,349 INFO L93 Difference]: Finished difference Result 244 states and 303 transitions. [2020-07-20 10:43:51,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:43:51,350 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 10:43:51,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:51,361 INFO L225 Difference]: With dead ends: 244 [2020-07-20 10:43:51,361 INFO L226 Difference]: Without dead ends: 124 [2020-07-20 10:43:51,365 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 10:43:51,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-07-20 10:43:51,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2020-07-20 10:43:51,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-07-20 10:43:51,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 145 transitions. [2020-07-20 10:43:51,423 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 145 transitions. Word has length 59 [2020-07-20 10:43:51,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:51,423 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 145 transitions. [2020-07-20 10:43:51,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:43:51,424 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 145 transitions. [2020-07-20 10:43:51,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 10:43:51,428 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:51,428 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:51,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:51,642 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:51,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:51,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1851002156, now seen corresponding path program 1 times [2020-07-20 10:43:51,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:51,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215167058] [2020-07-20 10:43:51,645 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 10:43:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:51,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:43:51,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:51,919 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 10:43:51,919 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:51,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215167058] [2020-07-20 10:43:51,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:51,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:51,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401555414] [2020-07-20 10:43:51,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:51,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:51,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:51,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:51,923 INFO L87 Difference]: Start difference. First operand 124 states and 145 transitions. Second operand 3 states. [2020-07-20 10:43:51,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:51,981 INFO L93 Difference]: Finished difference Result 314 states and 381 transitions. [2020-07-20 10:43:51,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:51,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-20 10:43:51,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:51,988 INFO L225 Difference]: With dead ends: 314 [2020-07-20 10:43:51,988 INFO L226 Difference]: Without dead ends: 218 [2020-07-20 10:43:51,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:51,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-07-20 10:43:52,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 208. [2020-07-20 10:43:52,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-07-20 10:43:52,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 249 transitions. [2020-07-20 10:43:52,040 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 249 transitions. Word has length 64 [2020-07-20 10:43:52,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:52,040 INFO L479 AbstractCegarLoop]: Abstraction has 208 states and 249 transitions. [2020-07-20 10:43:52,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:52,041 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 249 transitions. [2020-07-20 10:43:52,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-07-20 10:43:52,044 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:52,044 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] [2020-07-20 10:43:52,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:52,260 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:52,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:52,261 INFO L82 PathProgramCache]: Analyzing trace with hash 2013051811, now seen corresponding path program 1 times [2020-07-20 10:43:52,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:52,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2053060086] [2020-07-20 10:43:52,263 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 10:43:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:52,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:43:52,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:52,526 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 10:43:52,527 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:52,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2053060086] [2020-07-20 10:43:52,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:52,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 10:43:52,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4095666] [2020-07-20 10:43:52,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 10:43:52,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:52,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 10:43:52,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:43:52,529 INFO L87 Difference]: Start difference. First operand 208 states and 249 transitions. Second operand 7 states. [2020-07-20 10:43:53,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:53,207 INFO L93 Difference]: Finished difference Result 578 states and 766 transitions. [2020-07-20 10:43:53,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 10:43:53,208 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2020-07-20 10:43:53,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:53,213 INFO L225 Difference]: With dead ends: 578 [2020-07-20 10:43:53,214 INFO L226 Difference]: Without dead ends: 398 [2020-07-20 10:43:53,216 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-20 10:43:53,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2020-07-20 10:43:53,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 341. [2020-07-20 10:43:53,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-07-20 10:43:53,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 426 transitions. [2020-07-20 10:43:53,256 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 426 transitions. Word has length 72 [2020-07-20 10:43:53,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:53,257 INFO L479 AbstractCegarLoop]: Abstraction has 341 states and 426 transitions. [2020-07-20 10:43:53,257 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 10:43:53,257 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 426 transitions. [2020-07-20 10:43:53,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-20 10:43:53,260 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:53,260 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] [2020-07-20 10:43:53,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:53,474 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:53,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:53,475 INFO L82 PathProgramCache]: Analyzing trace with hash 455917845, now seen corresponding path program 1 times [2020-07-20 10:43:53,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:53,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [112141263] [2020-07-20 10:43:53,477 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 10:43:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:53,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:43:53,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:53,674 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 10:43:53,674 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:53,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [112141263] [2020-07-20 10:43:53,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:53,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:53,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406477555] [2020-07-20 10:43:53,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:53,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:53,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:53,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:53,676 INFO L87 Difference]: Start difference. First operand 341 states and 426 transitions. Second operand 3 states. [2020-07-20 10:43:53,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:53,694 INFO L93 Difference]: Finished difference Result 532 states and 642 transitions. [2020-07-20 10:43:53,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:53,695 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-07-20 10:43:53,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:53,698 INFO L225 Difference]: With dead ends: 532 [2020-07-20 10:43:53,698 INFO L226 Difference]: Without dead ends: 305 [2020-07-20 10:43:53,699 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 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 10:43:53,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-07-20 10:43:53,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2020-07-20 10:43:53,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-07-20 10:43:53,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 366 transitions. [2020-07-20 10:43:53,722 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 366 transitions. Word has length 83 [2020-07-20 10:43:53,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:53,723 INFO L479 AbstractCegarLoop]: Abstraction has 305 states and 366 transitions. [2020-07-20 10:43:53,723 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:53,723 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 366 transitions. [2020-07-20 10:43:53,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-20 10:43:53,725 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:53,725 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] [2020-07-20 10:43:53,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:53,939 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:53,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:53,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1418290782, now seen corresponding path program 1 times [2020-07-20 10:43:53,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:53,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1470387634] [2020-07-20 10:43:53,941 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 10:43:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:54,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 10:43:54,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:54,149 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 10:43:54,149 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:54,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1470387634] [2020-07-20 10:43:54,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:54,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:54,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778180152] [2020-07-20 10:43:54,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:54,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:54,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:54,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:54,151 INFO L87 Difference]: Start difference. First operand 305 states and 366 transitions. Second operand 3 states. [2020-07-20 10:43:54,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:54,192 INFO L93 Difference]: Finished difference Result 851 states and 1090 transitions. [2020-07-20 10:43:54,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:54,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2020-07-20 10:43:54,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:54,197 INFO L225 Difference]: With dead ends: 851 [2020-07-20 10:43:54,197 INFO L226 Difference]: Without dead ends: 574 [2020-07-20 10:43:54,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 84 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 10:43:54,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2020-07-20 10:43:54,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 571. [2020-07-20 10:43:54,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2020-07-20 10:43:54,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 716 transitions. [2020-07-20 10:43:54,238 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 716 transitions. Word has length 87 [2020-07-20 10:43:54,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:54,238 INFO L479 AbstractCegarLoop]: Abstraction has 571 states and 716 transitions. [2020-07-20 10:43:54,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:54,239 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 716 transitions. [2020-07-20 10:43:54,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-20 10:43:54,241 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:54,241 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] [2020-07-20 10:43:54,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:54,455 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:54,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:54,455 INFO L82 PathProgramCache]: Analyzing trace with hash 765386145, now seen corresponding path program 1 times [2020-07-20 10:43:54,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:54,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [486825050] [2020-07-20 10:43:54,456 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 10:43:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:54,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:43:54,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:54,702 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 10:43:54,702 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:54,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [486825050] [2020-07-20 10:43:54,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:54,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:43:54,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440380133] [2020-07-20 10:43:54,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:43:54,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:54,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:43:54,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:43:54,705 INFO L87 Difference]: Start difference. First operand 571 states and 716 transitions. Second operand 6 states. [2020-07-20 10:43:54,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:54,751 INFO L93 Difference]: Finished difference Result 1134 states and 1454 transitions. [2020-07-20 10:43:54,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:43:54,752 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2020-07-20 10:43:54,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:54,756 INFO L225 Difference]: With dead ends: 1134 [2020-07-20 10:43:54,756 INFO L226 Difference]: Without dead ends: 591 [2020-07-20 10:43:54,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 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 10:43:54,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2020-07-20 10:43:54,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2020-07-20 10:43:54,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-07-20 10:43:54,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 738 transitions. [2020-07-20 10:43:54,791 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 738 transitions. Word has length 87 [2020-07-20 10:43:54,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:54,792 INFO L479 AbstractCegarLoop]: Abstraction has 591 states and 738 transitions. [2020-07-20 10:43:54,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:43:54,792 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 738 transitions. [2020-07-20 10:43:54,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-20 10:43:54,794 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:54,794 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] [2020-07-20 10:43:55,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:55,009 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:55,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:55,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1253096759, now seen corresponding path program 1 times [2020-07-20 10:43:55,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:55,013 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [665556446] [2020-07-20 10:43:55,013 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 10:43:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:55,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 10:43:55,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:55,223 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 10:43:55,223 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:55,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [665556446] [2020-07-20 10:43:55,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:55,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:43:55,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6289312] [2020-07-20 10:43:55,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:43:55,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:55,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:43:55,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:43:55,225 INFO L87 Difference]: Start difference. First operand 591 states and 738 transitions. Second operand 6 states. [2020-07-20 10:43:56,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:56,085 INFO L93 Difference]: Finished difference Result 1925 states and 2608 transitions. [2020-07-20 10:43:56,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 10:43:56,086 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 91 [2020-07-20 10:43:56,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:56,096 INFO L225 Difference]: With dead ends: 1925 [2020-07-20 10:43:56,096 INFO L226 Difference]: Without dead ends: 1362 [2020-07-20 10:43:56,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 10:43:56,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2020-07-20 10:43:56,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1256. [2020-07-20 10:43:56,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1256 states. [2020-07-20 10:43:56,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1634 transitions. [2020-07-20 10:43:56,181 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1634 transitions. Word has length 91 [2020-07-20 10:43:56,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:56,182 INFO L479 AbstractCegarLoop]: Abstraction has 1256 states and 1634 transitions. [2020-07-20 10:43:56,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:43:56,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1634 transitions. [2020-07-20 10:43:56,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-20 10:43:56,185 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:56,186 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] [2020-07-20 10:43:56,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:56,399 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:56,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:56,400 INFO L82 PathProgramCache]: Analyzing trace with hash -2143377757, now seen corresponding path program 1 times [2020-07-20 10:43:56,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:56,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [413288084] [2020-07-20 10:43:56,402 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 10:43:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:56,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 10:43:56,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:56,589 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 10:43:56,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:56,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [413288084] [2020-07-20 10:43:56,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:56,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 10:43:56,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169556826] [2020-07-20 10:43:56,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 10:43:56,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:56,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 10:43:56,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:43:56,591 INFO L87 Difference]: Start difference. First operand 1256 states and 1634 transitions. Second operand 5 states. [2020-07-20 10:43:56,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:56,652 INFO L93 Difference]: Finished difference Result 2327 states and 3090 transitions. [2020-07-20 10:43:56,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 10:43:56,653 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 87 [2020-07-20 10:43:56,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:56,661 INFO L225 Difference]: With dead ends: 2327 [2020-07-20 10:43:56,661 INFO L226 Difference]: Without dead ends: 1099 [2020-07-20 10:43:56,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 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 10:43:56,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2020-07-20 10:43:56,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 1099. [2020-07-20 10:43:56,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1099 states. [2020-07-20 10:43:56,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1398 transitions. [2020-07-20 10:43:56,747 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1398 transitions. Word has length 87 [2020-07-20 10:43:56,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:56,748 INFO L479 AbstractCegarLoop]: Abstraction has 1099 states and 1398 transitions. [2020-07-20 10:43:56,748 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 10:43:56,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1398 transitions. [2020-07-20 10:43:56,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-20 10:43:56,749 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:56,750 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] [2020-07-20 10:43:56,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:56,964 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:56,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:56,965 INFO L82 PathProgramCache]: Analyzing trace with hash 858193610, now seen corresponding path program 1 times [2020-07-20 10:43:56,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:56,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1355102133] [2020-07-20 10:43:56,966 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 10:43:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:57,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 10:43:57,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:57,226 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 10:43:57,227 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:57,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1355102133] [2020-07-20 10:43:57,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:57,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 10:43:57,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435918558] [2020-07-20 10:43:57,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:43:57,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:57,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:43:57,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:43:57,228 INFO L87 Difference]: Start difference. First operand 1099 states and 1398 transitions. Second operand 10 states. [2020-07-20 10:43:58,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:58,594 INFO L93 Difference]: Finished difference Result 2841 states and 4018 transitions. [2020-07-20 10:43:58,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 10:43:58,595 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 91 [2020-07-20 10:43:58,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:58,606 INFO L225 Difference]: With dead ends: 2841 [2020-07-20 10:43:58,606 INFO L226 Difference]: Without dead ends: 1770 [2020-07-20 10:43:58,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 10:43:58,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1770 states. [2020-07-20 10:43:58,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1770 to 1231. [2020-07-20 10:43:58,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1231 states. [2020-07-20 10:43:58,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1521 transitions. [2020-07-20 10:43:58,689 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1521 transitions. Word has length 91 [2020-07-20 10:43:58,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:58,689 INFO L479 AbstractCegarLoop]: Abstraction has 1231 states and 1521 transitions. [2020-07-20 10:43:58,689 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:43:58,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1521 transitions. [2020-07-20 10:43:58,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-07-20 10:43:58,692 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:58,692 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:58,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:58,906 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:58,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:58,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1610034481, now seen corresponding path program 1 times [2020-07-20 10:43:58,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:58,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1542980452] [2020-07-20 10:43:58,907 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 10:43:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:59,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 10:43:59,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:59,127 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 10:43:59,128 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:59,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1542980452] [2020-07-20 10:43:59,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:59,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:59,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660475163] [2020-07-20 10:43:59,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:59,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:59,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:59,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:59,129 INFO L87 Difference]: Start difference. First operand 1231 states and 1521 transitions. Second operand 3 states. [2020-07-20 10:43:59,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:59,277 INFO L93 Difference]: Finished difference Result 1624 states and 1998 transitions. [2020-07-20 10:43:59,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:59,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-07-20 10:43:59,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:59,308 INFO L225 Difference]: With dead ends: 1624 [2020-07-20 10:43:59,308 INFO L226 Difference]: Without dead ends: 517 [2020-07-20 10:43:59,311 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 130 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 10:43:59,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2020-07-20 10:43:59,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 499. [2020-07-20 10:43:59,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2020-07-20 10:43:59,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 597 transitions. [2020-07-20 10:43:59,336 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 597 transitions. Word has length 132 [2020-07-20 10:43:59,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:59,336 INFO L479 AbstractCegarLoop]: Abstraction has 499 states and 597 transitions. [2020-07-20 10:43:59,336 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:59,336 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 597 transitions. [2020-07-20 10:43:59,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-20 10:43:59,338 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:59,338 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:43:59,552 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:59,553 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:59,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:59,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1244109311, now seen corresponding path program 1 times [2020-07-20 10:43:59,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:59,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1366198285] [2020-07-20 10:43:59,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:59,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:43:59,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:59,793 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:59,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:44:00,053 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 10:44:00,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1366198285] [2020-07-20 10:44:00,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 10:44:00,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 10:44:00,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454842413] [2020-07-20 10:44:00,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:44:00,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:00,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:44:00,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:44:00,056 INFO L87 Difference]: Start difference. First operand 499 states and 597 transitions. Second operand 10 states. [2020-07-20 10:44:00,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:00,626 INFO L93 Difference]: Finished difference Result 924 states and 1120 transitions. [2020-07-20 10:44:00,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-20 10:44:00,626 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 134 [2020-07-20 10:44:00,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:00,627 INFO L225 Difference]: With dead ends: 924 [2020-07-20 10:44:00,627 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:44:00,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 255 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-07-20 10:44:00,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:44:00,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:44:00,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:44:00,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:44:00,632 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2020-07-20 10:44:00,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:00,633 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:44:00,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:44:00,633 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:44:00,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:44:00,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:00,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:44:01,159 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 53 [2020-07-20 10:44:02,211 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2020-07-20 10:44:02,563 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2020-07-20 10:44:02,924 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 42 [2020-07-20 10:44:03,300 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 46 [2020-07-20 10:44:03,731 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 46 [2020-07-20 10:44:03,903 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2020-07-20 10:44:04,177 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2020-07-20 10:44:04,577 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 37 [2020-07-20 10:44:04,885 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2020-07-20 10:44:05,289 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 35 [2020-07-20 10:44:05,513 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2020-07-20 10:44:06,064 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 49 [2020-07-20 10:44:06,199 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 29 [2020-07-20 10:44:06,354 INFO L268 CegarLoopResult]: For program point L254(lines 231 255) no Hoare annotation was computed. [2020-07-20 10:44:06,354 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 207 262) no Hoare annotation was computed. [2020-07-20 10:44:06,354 INFO L268 CegarLoopResult]: For program point L238(lines 238 242) no Hoare annotation was computed. [2020-07-20 10:44:06,354 INFO L268 CegarLoopResult]: For program point L238-1(lines 238 242) no Hoare annotation was computed. [2020-07-20 10:44:06,354 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-07-20 10:44:06,354 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 207 262) no Hoare annotation was computed. [2020-07-20 10:44:06,354 INFO L268 CegarLoopResult]: For program point L232-2(lines 232 253) no Hoare annotation was computed. [2020-07-20 10:44:06,355 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 207 262) no Hoare annotation was computed. [2020-07-20 10:44:06,355 INFO L268 CegarLoopResult]: For program point L289-2(lines 289 314) no Hoare annotation was computed. [2020-07-20 10:44:06,355 INFO L268 CegarLoopResult]: For program point L315(lines 288 316) no Hoare annotation was computed. [2020-07-20 10:44:06,355 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 263 322) no Hoare annotation was computed. [2020-07-20 10:44:06,355 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-07-20 10:44:06,355 INFO L268 CegarLoopResult]: For program point L308-1(line 308) no Hoare annotation was computed. [2020-07-20 10:44:06,355 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 263 322) no Hoare annotation was computed. [2020-07-20 10:44:06,355 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 263 322) no Hoare annotation was computed. [2020-07-20 10:44:06,356 INFO L268 CegarLoopResult]: For program point L295(lines 295 299) no Hoare annotation was computed. [2020-07-20 10:44:06,356 INFO L268 CegarLoopResult]: For program point L295-1(lines 295 299) no Hoare annotation was computed. [2020-07-20 10:44:06,356 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-07-20 10:44:06,356 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 539 545) the Hoare annotation is: true [2020-07-20 10:44:06,356 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 539 545) no Hoare annotation was computed. [2020-07-20 10:44:06,357 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 546 554) no Hoare annotation was computed. [2020-07-20 10:44:06,357 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 546 554) the Hoare annotation is: true [2020-07-20 10:44:06,357 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 546 554) no Hoare annotation was computed. [2020-07-20 10:44:06,357 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 899 906) the Hoare annotation is: true [2020-07-20 10:44:06,357 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 899 906) no Hoare annotation was computed. [2020-07-20 10:44:06,357 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 899 906) no Hoare annotation was computed. [2020-07-20 10:44:06,357 INFO L268 CegarLoopResult]: For program point L912(line 912) no Hoare annotation was computed. [2020-07-20 10:44:06,357 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 907 916) the Hoare annotation is: (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) [2020-07-20 10:44:06,358 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 907 916) no Hoare annotation was computed. [2020-07-20 10:44:06,358 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 907 916) no Hoare annotation was computed. [2020-07-20 10:44:06,358 INFO L268 CegarLoopResult]: For program point L929(lines 929 939) no Hoare annotation was computed. [2020-07-20 10:44:06,358 INFO L264 CegarLoopResult]: At program point L927(line 927) 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 10:44:06,358 INFO L268 CegarLoopResult]: For program point L927-1(line 927) no Hoare annotation was computed. [2020-07-20 10:44:06,358 INFO L268 CegarLoopResult]: For program point L925(lines 925 942) no Hoare annotation was computed. [2020-07-20 10:44:06,358 INFO L268 CegarLoopResult]: For program point L925-1(lines 917 945) no Hoare annotation was computed. [2020-07-20 10:44:06,359 INFO L271 CegarLoopResult]: At program point L923(line 923) the Hoare annotation is: true [2020-07-20 10:44:06,359 INFO L268 CegarLoopResult]: For program point L923-1(line 923) no Hoare annotation was computed. [2020-07-20 10:44:06,359 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 917 945) the Hoare annotation is: true [2020-07-20 10:44:06,359 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 917 945) no Hoare annotation was computed. [2020-07-20 10:44:06,359 INFO L264 CegarLoopResult]: At program point L932(line 932) the Hoare annotation is: (let ((.cse3 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse4 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1) (or .cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3 .cse4) (or .cse2 .cse0 .cse5 .cse1) (or (not (<= 1 ~waterLevel~0)) .cse2 .cse3 .cse1) (or .cse2 .cse0 .cse5 .cse4))) [2020-07-20 10:44:06,359 INFO L268 CegarLoopResult]: For program point L930(lines 930 936) no Hoare annotation was computed. [2020-07-20 10:44:06,360 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 131 153) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:06,360 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 131 153) no Hoare annotation was computed. [2020-07-20 10:44:06,360 INFO L264 CegarLoopResult]: At program point L143(line 143) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:06,360 INFO L264 CegarLoopResult]: At program point L143-1(line 143) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:06,360 INFO L268 CegarLoopResult]: For program point L141(lines 141 148) no Hoare annotation was computed. [2020-07-20 10:44:06,360 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 131 153) no Hoare annotation was computed. [2020-07-20 10:44:06,361 INFO L268 CegarLoopResult]: For program point L141-1(lines 141 148) no Hoare annotation was computed. [2020-07-20 10:44:06,361 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 10:44:06,361 INFO L264 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:06,361 INFO L264 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:06,361 INFO L264 CegarLoopResult]: At program point L137-1(line 137) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:06,361 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-20 10:44:06,362 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-07-20 10:44:06,362 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 84 107) no Hoare annotation was computed. [2020-07-20 10:44:06,362 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-07-20 10:44:06,362 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-20 10:44:06,362 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-20 10:44:06,362 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 84 107) no Hoare annotation was computed. [2020-07-20 10:44:06,362 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-20 10:44:06,362 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 84 107) no Hoare annotation was computed. [2020-07-20 10:44:06,362 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 10:44:06,363 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-20 10:44:06,363 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-20 10:44:06,363 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-07-20 10:44:06,363 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-07-20 10:44:06,363 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 10:44:06,363 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-07-20 10:44:06,363 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-07-20 10:44:06,363 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 882 896) no Hoare annotation was computed. [2020-07-20 10:44:06,364 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or .cse0 (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:06,364 INFO L268 CegarLoopResult]: For program point L886(lines 886 892) no Hoare annotation was computed. [2020-07-20 10:44:06,364 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 882 896) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or .cse0 (= 0 ~systemActive~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~systemActive~0)|))))) [2020-07-20 10:44:06,364 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 882 896) no Hoare annotation was computed. [2020-07-20 10:44:06,364 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 818 826) no Hoare annotation was computed. [2020-07-20 10:44:06,364 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 818 826) the Hoare annotation is: true [2020-07-20 10:44:06,364 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 818 826) no Hoare annotation was computed. [2020-07-20 10:44:06,365 INFO L268 CegarLoopResult]: For program point L834-2(lines 834 842) no Hoare annotation was computed. [2020-07-20 10:44:06,365 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-20 10:44:06,365 INFO L268 CegarLoopResult]: For program point L857-1(line 857) no Hoare annotation was computed. [2020-07-20 10:44:06,365 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 827 862) no Hoare annotation was computed. [2020-07-20 10:44:06,365 INFO L268 CegarLoopResult]: For program point L846(lines 846 854) no Hoare annotation was computed. [2020-07-20 10:44:06,365 INFO L268 CegarLoopResult]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2020-07-20 10:44:06,365 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 827 862) no Hoare annotation was computed. [2020-07-20 10:44:06,365 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 827 862) no Hoare annotation was computed. [2020-07-20 10:44:06,365 INFO L268 CegarLoopResult]: For program point L834(lines 834 842) no Hoare annotation was computed. [2020-07-20 10:44:06,366 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 532 538) no Hoare annotation was computed. [2020-07-20 10:44:06,366 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 532 538) the Hoare annotation is: true [2020-07-20 10:44:06,366 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 161 206) no Hoare annotation was computed. [2020-07-20 10:44:06,366 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 161 206) no Hoare annotation was computed. [2020-07-20 10:44:06,366 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 161 206) no Hoare annotation was computed. [2020-07-20 10:44:06,366 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 474 519) no Hoare annotation was computed. [2020-07-20 10:44:06,366 INFO L268 CegarLoopResult]: For program point L494(lines 494 501) no Hoare annotation was computed. [2020-07-20 10:44:06,366 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 474 519) no Hoare annotation was computed. [2020-07-20 10:44:06,367 INFO L268 CegarLoopResult]: For program point L488(lines 488 508) no Hoare annotation was computed. [2020-07-20 10:44:06,367 INFO L268 CegarLoopResult]: For program point L488-1(lines 488 508) no Hoare annotation was computed. [2020-07-20 10:44:06,367 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 474 519) no Hoare annotation was computed. [2020-07-20 10:44:06,367 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 117 127) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:06,367 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 117 127) no Hoare annotation was computed. [2020-07-20 10:44:06,367 INFO L264 CegarLoopResult]: At program point L122(line 122) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:06,367 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 117 127) no Hoare annotation was computed. [2020-07-20 10:44:06,367 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 807 817) no Hoare annotation was computed. [2020-07-20 10:44:06,368 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-07-20 10:44:06,368 INFO L268 CegarLoopResult]: For program point L812-1(line 812) no Hoare annotation was computed. [2020-07-20 10:44:06,368 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 807 817) no Hoare annotation was computed. [2020-07-20 10:44:06,368 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 807 817) no Hoare annotation was computed. [2020-07-20 10:44:06,368 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 799 806) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 10:44:06,368 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 799 806) no Hoare annotation was computed. [2020-07-20 10:44:06,368 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 799 806) no Hoare annotation was computed. [2020-07-20 10:44:06,368 INFO L268 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2020-07-20 10:44:06,368 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 708 721) no Hoare annotation was computed. [2020-07-20 10:44:06,369 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 708 721) the Hoare annotation is: true [2020-07-20 10:44:06,369 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 708 721) no Hoare annotation was computed. [2020-07-20 10:44:06,369 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 766 790) no Hoare annotation was computed. [2020-07-20 10:44:06,369 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 766 790) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (<= ~waterLevel~0 2)) .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse2 .cse3 .cse1))) [2020-07-20 10:44:06,369 INFO L264 CegarLoopResult]: At program point L785(line 785) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse2 .cse1) (or .cse0 (not (<= ~waterLevel~0 2)) .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-20 10:44:06,369 INFO L268 CegarLoopResult]: For program point L785-1(lines 766 790) no Hoare annotation was computed. [2020-07-20 10:44:06,370 INFO L264 CegarLoopResult]: At program point L780(line 780) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment_~tmp~5))) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse2 .cse3 .cse1) (or .cse0 .cse2 (not (<= ~waterLevel~0 2)) .cse3 (not (<= 2 ~waterLevel~0))))) [2020-07-20 10:44:06,370 INFO L264 CegarLoopResult]: At program point L776(line 776) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse2 .cse1) (or .cse0 (not (<= ~waterLevel~0 2)) .cse2 (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))))) [2020-07-20 10:44:06,370 INFO L268 CegarLoopResult]: For program point L774(lines 774 782) no Hoare annotation was computed. [2020-07-20 10:44:06,370 INFO L264 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse2 .cse3 .cse1) (or .cse0 (not (<= ~waterLevel~0 2)) .cse2 .cse3 (not (<= 2 ~waterLevel~0))))) [2020-07-20 10:44:06,370 INFO L268 CegarLoopResult]: For program point L772-1(line 772) no Hoare annotation was computed. [2020-07-20 10:44:06,370 INFO L268 CegarLoopResult]: For program point L770(lines 770 787) no Hoare annotation was computed. [2020-07-20 10:44:06,371 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 758 764) no Hoare annotation was computed. [2020-07-20 10:44:06,371 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 758 764) the Hoare annotation is: true [2020-07-20 10:44:06,371 INFO L264 CegarLoopResult]: At program point testENTRY(lines 557 622) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:06,371 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= ~waterLevel~0 2) (<= test_~splverifierCounter~0 0))) [2020-07-20 10:44:06,371 INFO L268 CegarLoopResult]: For program point L603(lines 603 609) no Hoare annotation was computed. [2020-07-20 10:44:06,371 INFO L264 CegarLoopResult]: At program point L603-1(lines 597 610) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) .cse4 (<= ~waterLevel~0 1) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse5 .cse4 .cse1 .cse2) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse5 .cse0 .cse1 .cse2 .cse3))) [2020-07-20 10:44:06,371 INFO L268 CegarLoopResult]: For program point L568(lines 567 614) no Hoare annotation was computed. [2020-07-20 10:44:06,372 INFO L268 CegarLoopResult]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2020-07-20 10:44:06,372 INFO L268 CegarLoopResult]: For program point L597(lines 597 610) no Hoare annotation was computed. [2020-07-20 10:44:06,372 INFO L264 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) .cse4 (<= ~waterLevel~0 1) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse5 .cse4 .cse1 .cse2) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse5 .cse0 .cse1 .cse2 .cse3))) [2020-07-20 10:44:06,372 INFO L268 CegarLoopResult]: For program point L587(lines 587 593) no Hoare annotation was computed. [2020-07-20 10:44:06,372 INFO L268 CegarLoopResult]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2020-07-20 10:44:06,372 INFO L264 CegarLoopResult]: At program point L612(lines 567 614) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and (<= 1 ~waterLevel~0) .cse4 .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse6 .cse4 .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (and (= 0 ~systemActive~0) .cse6 .cse4 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and .cse5 .cse6 .cse1 .cse2 .cse3))) [2020-07-20 10:44:06,373 INFO L264 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and (<= 1 ~waterLevel~0) .cse4 .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse6 .cse4 .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (and (= 0 ~systemActive~0) .cse6 .cse4 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and .cse5 .cse6 .cse1 .cse2 .cse3))) [2020-07-20 10:44:06,373 INFO L268 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-07-20 10:44:06,373 INFO L268 CegarLoopResult]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2020-07-20 10:44:06,373 INFO L268 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-07-20 10:44:06,373 INFO L264 CegarLoopResult]: At program point L615(lines 566 616) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:06,373 INFO L268 CegarLoopResult]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2020-07-20 10:44:06,373 INFO L268 CegarLoopResult]: For program point L448(lines 448 455) no Hoare annotation was computed. [2020-07-20 10:44:06,374 INFO L268 CegarLoopResult]: For program point L442(lines 442 462) no Hoare annotation was computed. [2020-07-20 10:44:06,374 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 428 473) no Hoare annotation was computed. [2020-07-20 10:44:06,374 INFO L268 CegarLoopResult]: For program point L442-1(lines 442 462) no Hoare annotation was computed. [2020-07-20 10:44:06,374 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 428 473) no Hoare annotation was computed. [2020-07-20 10:44:06,374 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 428 473) no Hoare annotation was computed. [2020-07-20 10:44:06,374 INFO L268 CegarLoopResult]: For program point L684(lines 684 692) no Hoare annotation was computed. [2020-07-20 10:44:06,374 INFO L268 CegarLoopResult]: For program point L684-2(lines 684 692) no Hoare annotation was computed. [2020-07-20 10:44:06,374 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 676 698) no Hoare annotation was computed. [2020-07-20 10:44:06,374 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 676 698) no Hoare annotation was computed. [2020-07-20 10:44:06,375 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 676 698) no Hoare annotation was computed. [2020-07-20 10:44:06,375 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 325 427) no Hoare annotation was computed. [2020-07-20 10:44:06,375 INFO L268 CegarLoopResult]: For program point L349(lines 349 353) no Hoare annotation was computed. [2020-07-20 10:44:06,375 INFO L268 CegarLoopResult]: For program point L413(lines 413 424) no Hoare annotation was computed. [2020-07-20 10:44:06,375 INFO L268 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-07-20 10:44:06,375 INFO L268 CegarLoopResult]: For program point L374-2(lines 374 394) no Hoare annotation was computed. [2020-07-20 10:44:06,375 INFO L268 CegarLoopResult]: For program point L395(lines 373 396) no Hoare annotation was computed. [2020-07-20 10:44:06,375 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 325 427) no Hoare annotation was computed. [2020-07-20 10:44:06,375 INFO L268 CegarLoopResult]: For program point L354(lines 354 370) no Hoare annotation was computed. [2020-07-20 10:44:06,376 INFO L268 CegarLoopResult]: For program point L414(lines 414 421) no Hoare annotation was computed. [2020-07-20 10:44:06,376 INFO L268 CegarLoopResult]: For program point L375(lines 374 394) no Hoare annotation was computed. [2020-07-20 10:44:06,376 INFO L268 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-07-20 10:44:06,376 INFO L268 CegarLoopResult]: For program point L406-1(line 406) no Hoare annotation was computed. [2020-07-20 10:44:06,376 INFO L268 CegarLoopResult]: For program point L371(lines 371 412) no Hoare annotation was computed. [2020-07-20 10:44:06,376 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 325 427) no Hoare annotation was computed. [2020-07-20 10:44:06,376 INFO L268 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-07-20 10:44:06,376 INFO L268 CegarLoopResult]: For program point L390-1(line 390) no Hoare annotation was computed. [2020-07-20 10:44:06,377 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 522 531) no Hoare annotation was computed. [2020-07-20 10:44:06,377 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 522 531) no Hoare annotation was computed. [2020-07-20 10:44:06,377 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 522 531) no Hoare annotation was computed. [2020-07-20 10:44:06,377 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:06,377 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-20 10:44:06,377 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:06,377 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 791 798) no Hoare annotation was computed. [2020-07-20 10:44:06,377 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 791 798) no Hoare annotation was computed. [2020-07-20 10:44:06,378 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 791 798) 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 10:44:06,378 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 699 707) the Hoare annotation is: true [2020-07-20 10:44:06,378 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 699 707) no Hoare annotation was computed. [2020-07-20 10:44:06,378 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 699 707) no Hoare annotation was computed. [2020-07-20 10:44:06,378 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 863 881) no Hoare annotation was computed. [2020-07-20 10:44:06,378 INFO L268 CegarLoopResult]: For program point L872(lines 872 876) no Hoare annotation was computed. [2020-07-20 10:44:06,378 INFO L271 CegarLoopResult]: At program point L870(line 870) the Hoare annotation is: true [2020-07-20 10:44:06,378 INFO L268 CegarLoopResult]: For program point L872-2(lines 872 876) no Hoare annotation was computed. [2020-07-20 10:44:06,379 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 863 881) the Hoare annotation is: true [2020-07-20 10:44:06,379 INFO L268 CegarLoopResult]: For program point L870-1(line 870) no Hoare annotation was computed. [2020-07-20 10:44:06,379 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 863 881) no Hoare annotation was computed. [2020-07-20 10:44:06,379 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 655 666) the Hoare annotation is: true [2020-07-20 10:44:06,379 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 655 666) no Hoare annotation was computed. [2020-07-20 10:44:06,379 INFO L268 CegarLoopResult]: For program point L659-1(lines 655 666) no Hoare annotation was computed. [2020-07-20 10:44:06,379 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:06,379 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:44:06,379 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:06,380 INFO L268 CegarLoopResult]: For program point L736(lines 734 756) no Hoare annotation was computed. [2020-07-20 10:44:06,380 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 731 757) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 2)) (.cse12 (= 0 ~pumpRunning~0)) (.cse10 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (and .cse9 .cse12 .cse10)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2) (or .cse6 .cse7 (and .cse8 .cse9 .cse10) .cse3 .cse11) (or .cse4 .cse6 (and .cse12 (<= ~waterLevel~0 1) .cse10) .cse2 (not (<= 1 |old(~waterLevel~0)|))) (or .cse6 .cse0 .cse2 .cse3 .cse11) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse6 .cse7 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse8 .cse10) .cse3)))) [2020-07-20 10:44:06,380 INFO L264 CegarLoopResult]: At program point L747(line 747) the Hoare annotation is: (let ((.cse6 (= 0 ~pumpRunning~0)) (.cse8 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (<= ~waterLevel~0 1)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4 .cse5 .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse4 (and .cse6 .cse7 .cse8) .cse0 (not (<= 1 |old(~waterLevel~0)|))) (or .cse4 (and (<= ~waterLevel~0 2) .cse6 .cse8) .cse0 .cse1 .cse9) (or .cse4 .cse5 (and .cse2 .cse3 (<= 1 ~waterLevel~0) .cse7) .cse1 .cse9))) [2020-07-20 10:44:06,380 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 731 757) no Hoare annotation was computed. [2020-07-20 10:44:06,380 INFO L264 CegarLoopResult]: At program point L745(lines 745 751) the Hoare annotation is: (let ((.cse14 (<= ~waterLevel~0 2)) (.cse10 (= 0 ~pumpRunning~0)) (.cse12 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (<= ~waterLevel~0 1)) (.cse8 (not (<= 1 ~systemActive~0))) (.cse0 (and .cse14 .cse10 .cse12)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and .cse6 .cse5 .cse7) .cse8 .cse9 .cse3) (or .cse4 .cse8 (and .cse10 .cse11 .cse12) .cse2 (not (<= 1 |old(~waterLevel~0)|))) (or .cse8 .cse9 (and .cse6 .cse7 (<= 1 ~waterLevel~0) .cse11) .cse3 .cse13) (or (and .cse14 (<= 1 ~pumpRunning~0) .cse12) .cse8 .cse0 .cse2 .cse3 .cse13)))) [2020-07-20 10:44:06,381 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 731 757) no Hoare annotation was computed. [2020-07-20 10:44:06,381 INFO L264 CegarLoopResult]: At program point L740(line 740) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= 1 ~systemActive~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1) (or .cse2 .cse3 (and .cse4 .cse5 (<= ~waterLevel~0 2) .cse6) .cse1 .cse7) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse0 (not (<= 1 |old(~waterLevel~0)|))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 (and .cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse5 .cse6) .cse1) (or .cse2 .cse0 .cse1 .cse7))) [2020-07-20 10:44:06,381 INFO L268 CegarLoopResult]: For program point L738(lines 734 756) no Hoare annotation was computed. [2020-07-20 10:44:06,381 INFO L268 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-07-20 10:44:06,381 INFO L271 CegarLoopResult]: At program point L65-1(lines 65 69) the Hoare annotation is: true [2020-07-20 10:44:06,381 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 51 80) no Hoare annotation was computed. [2020-07-20 10:44:06,381 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-07-20 10:44:06,381 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 51 80) the Hoare annotation is: true [2020-07-20 10:44:06,382 INFO L271 CegarLoopResult]: At program point L61-2(lines 61 75) the Hoare annotation is: true [2020-07-20 10:44:06,382 INFO L271 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: true [2020-07-20 10:44:06,382 INFO L268 CegarLoopResult]: For program point L57-1(line 57) no Hoare annotation was computed. [2020-07-20 10:44:06,382 INFO L271 CegarLoopResult]: At program point L76(lines 51 80) the Hoare annotation is: true [2020-07-20 10:44:06,382 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-07-20 10:44:06,382 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 667 675) no Hoare annotation was computed. [2020-07-20 10:44:06,382 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 667 675) no Hoare annotation was computed. [2020-07-20 10:44:06,382 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 667 675) no Hoare annotation was computed. [2020-07-20 10:44:06,383 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 631 642) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (and (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2))) [2020-07-20 10:44:06,383 INFO L268 CegarLoopResult]: For program point L635-1(lines 631 642) no Hoare annotation was computed. [2020-07-20 10:44:06,383 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 631 642) no Hoare annotation was computed. [2020-07-20 10:44:06,383 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 108 114) no Hoare annotation was computed. [2020-07-20 10:44:06,383 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 108 114) the Hoare annotation is: true [2020-07-20 10:44:06,383 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:06,383 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 10:44:06,383 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:44:06,383 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:06,384 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 643 654) no Hoare annotation was computed. [2020-07-20 10:44:06,384 INFO L268 CegarLoopResult]: For program point L647-1(lines 643 654) no Hoare annotation was computed. [2020-07-20 10:44:06,384 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 643 654) the Hoare annotation is: (let ((.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse2)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse9 (not (= 0 ~systemActive~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse6 (and (<= ~waterLevel~0 2) .cse2))) (and (or .cse0 .cse1 (and (<= ~waterLevel~0 1) .cse2) .cse3 (not (<= 1 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse3 .cse5 .cse6) (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7 .cse8) (or .cse0 .cse9 .cse3 .cse8) (or .cse1 .cse4 .cse7 .cse5 .cse6) (or .cse9 .cse4 .cse3 .cse6)))) [2020-07-20 10:44:06,384 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 10:44:06,384 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 10:44:06,384 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 10:44:06,384 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 10:44:06,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:44:06 BoogieIcfgContainer [2020-07-20 10:44:06,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:44:06,403 INFO L168 Benchmark]: Toolchain (without parser) took 17387.48 ms. Allocated memory was 140.0 MB in the beginning and 440.4 MB in the end (delta: 300.4 MB). Free memory was 103.3 MB in the beginning and 307.7 MB in the end (delta: -204.4 MB). Peak memory consumption was 312.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:06,403 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:44:06,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.01 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 102.9 MB in the beginning and 171.9 MB in the end (delta: -69.0 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:06,405 INFO L168 Benchmark]: Boogie Preprocessor took 80.86 ms. Allocated memory is still 204.5 MB. Free memory was 171.9 MB in the beginning and 167.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:06,406 INFO L168 Benchmark]: RCFGBuilder took 1026.74 ms. Allocated memory was 204.5 MB in the beginning and 233.3 MB in the end (delta: 28.8 MB). Free memory was 167.9 MB in the beginning and 189.5 MB in the end (delta: -21.6 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:06,406 INFO L168 Benchmark]: TraceAbstraction took 15571.29 ms. Allocated memory was 233.3 MB in the beginning and 440.4 MB in the end (delta: 207.1 MB). Free memory was 188.1 MB in the beginning and 307.7 MB in the end (delta: -119.6 MB). Peak memory consumption was 303.5 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:06,409 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 703.01 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 102.9 MB in the beginning and 171.9 MB in the end (delta: -69.0 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.86 ms. Allocated memory is still 204.5 MB. Free memory was 171.9 MB in the beginning and 167.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1026.74 ms. Allocated memory was 204.5 MB in the beginning and 233.3 MB in the end (delta: 28.8 MB). Free memory was 167.9 MB in the beginning and 189.5 MB in the end (delta: -21.6 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15571.29 ms. Allocated memory was 233.3 MB in the beginning and 440.4 MB in the end (delta: 207.1 MB). Free memory was 188.1 MB in the beginning and 307.7 MB in the end (delta: -119.6 MB). Peak memory consumption was 303.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: (((((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || ((((1 <= waterLevel && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive)) || !(0 == \old(pumpRunning))) || ((((2 <= waterLevel && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 231 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.9s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1759 SDtfs, 1336 SDslu, 2736 SDs, 0 SdLazy, 2297 SolverSat, 623 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1137 GetRequests, 1069 SyntacticMatches, 7 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1256occurred in iteration=7, 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, 11 MinimizatonAttempts, 733 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 2520 PreInvPairs, 2633 NumberOfFragments, 1982 HoareAnnotationTreeSize, 2520 FomulaSimplifications, 6571 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 56 FomulaSimplificationsInter, 8055 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 987 NumberOfCodeBlocks, 987 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1109 ConstructedInterpolants, 0 QuantifiedInterpolants, 198965 SizeOfPredicates, 30 NumberOfNonLiveVariables, 8495 ConjunctsInSsa, 98 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 118/136 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...