/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_spec3_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:42:11,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:42:11,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:42:11,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:42:11,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:42:11,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:42:11,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:42:11,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:42:11,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:42:11,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:42:11,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:42:11,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:42:11,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:42:11,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:42:11,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:42:11,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:42:11,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:42:11,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:42:11,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:42:11,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:42:11,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:42:11,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:42:11,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:42:11,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:42:11,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:42:11,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:42:11,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:42:11,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:42:11,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:42:11,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:42:11,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:42:11,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:42:11,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:42:11,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:42:11,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:42:11,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:42:11,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:42:11,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:42:11,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:42:11,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:42:11,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:42:11,785 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 10:42:11,819 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:42:11,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:42:11,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:42:11,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:42:11,821 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:42:11,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:42:11,822 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:42:11,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:42:11,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:42:11,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:42:11,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:42:11,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:42:11,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:42:11,826 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:42:11,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:42:11,826 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:42:11,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:42:11,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:42:11,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:42:11,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:42:11,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:42:11,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:42:11,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:42:11,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:42:11,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:42:11,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:42:11,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:11,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:42:11,833 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:42:11,833 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 10:42:12,103 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:42:12,123 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:42:12,126 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:42:12,128 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:42:12,130 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:42:12,131 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c [2020-07-20 10:42:12,193 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/781f79e1b/bc4febffe5a944d2b3247e9fc6e126f1/FLAGa28642e84 [2020-07-20 10:42:12,720 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:42:12,721 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product33.cil.c [2020-07-20 10:42:12,734 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/781f79e1b/bc4febffe5a944d2b3247e9fc6e126f1/FLAGa28642e84 [2020-07-20 10:42:12,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/781f79e1b/bc4febffe5a944d2b3247e9fc6e126f1 [2020-07-20 10:42:12,995 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:42:12,998 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:42:12,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:42:12,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:42:13,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:42:13,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:42:12" (1/1) ... [2020-07-20 10:42:13,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16108d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:13, skipping insertion in model container [2020-07-20 10:42:13,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:42:12" (1/1) ... [2020-07-20 10:42:13,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:42:13,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:42:13,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:42:13,485 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:42:13,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:42:13,717 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:42:13,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:13 WrapperNode [2020-07-20 10:42:13,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:42:13,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:42:13,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:42:13,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:42:13,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:13" (1/1) ... [2020-07-20 10:42:13,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:13" (1/1) ... [2020-07-20 10:42:13,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:13" (1/1) ... [2020-07-20 10:42:13,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:13" (1/1) ... [2020-07-20 10:42:13,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:13" (1/1) ... [2020-07-20 10:42:13,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:13" (1/1) ... [2020-07-20 10:42:13,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:13" (1/1) ... [2020-07-20 10:42:13,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:42:13,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:42:13,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:42:13,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:42:13,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:13" (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 10:42:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:42:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:42:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:42:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:42:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:42:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:42:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:42:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:42:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:42:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:42:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:42:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:42:13,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:42:13,897 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:42:13,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:42:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:42:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:42:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:42:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:42:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:42:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:42:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:42:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:42:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:42:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:42:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:42:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:42:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:42:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:42:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:42:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:42:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:42:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-20 10:42:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:42:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:42:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:42:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:42:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:42:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:42:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:42:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:42:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:42:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:42:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:42:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:42:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:42:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:42:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:42:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:42:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:42:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:42:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:42:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:42:13,906 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:42:13,906 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:42:13,906 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:42:13,906 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:42:13,906 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:42:13,906 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:42:13,907 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:42:13,907 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:42:13,907 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:42:13,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:42:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:42:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:42:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:42:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:42:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:42:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:42:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:42:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:42:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:42:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:42:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:42:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:42:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:42:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:42:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:42:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:42:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-20 10:42:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:42:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:42:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:42:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:42:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:42:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:42:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:42:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:42:15,099 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:42:15,100 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:42:15,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:42:15 BoogieIcfgContainer [2020-07-20 10:42:15,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:42:15,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:42:15,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:42:15,110 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:42:15,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:42:12" (1/3) ... [2020-07-20 10:42:15,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250d8177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:42:15, skipping insertion in model container [2020-07-20 10:42:15,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:13" (2/3) ... [2020-07-20 10:42:15,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250d8177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:42:15, skipping insertion in model container [2020-07-20 10:42:15,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:42:15" (3/3) ... [2020-07-20 10:42:15,114 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33.cil.c [2020-07-20 10:42:15,125 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:42:15,134 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:42:15,148 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:42:15,172 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:42:15,173 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:42:15,173 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:42:15,173 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:42:15,174 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:42:15,174 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:42:15,174 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:42:15,174 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:42:15,198 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2020-07-20 10:42:15,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 10:42:15,208 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:15,210 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:15,210 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:15,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:15,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1697845513, now seen corresponding path program 1 times [2020-07-20 10:42:15,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:15,226 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [349182789] [2020-07-20 10:42:15,227 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 10:42:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:15,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:42:15,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:15,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:15,514 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:15,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [349182789] [2020-07-20 10:42:15,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:15,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:42:15,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809893420] [2020-07-20 10:42:15,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:42:15,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:15,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:42:15,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:42:15,541 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2020-07-20 10:42:15,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:15,580 INFO L93 Difference]: Finished difference Result 222 states and 277 transitions. [2020-07-20 10:42:15,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:42:15,581 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2020-07-20 10:42:15,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:15,593 INFO L225 Difference]: With dead ends: 222 [2020-07-20 10:42:15,594 INFO L226 Difference]: Without dead ends: 111 [2020-07-20 10:42:15,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 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 10:42:15,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-07-20 10:42:15,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-07-20 10:42:15,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-07-20 10:42:15,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 130 transitions. [2020-07-20 10:42:15,649 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 130 transitions. Word has length 52 [2020-07-20 10:42:15,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:15,650 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 130 transitions. [2020-07-20 10:42:15,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:42:15,654 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2020-07-20 10:42:15,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-20 10:42:15,658 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:15,659 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:15,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:15,872 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:15,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:15,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1118186443, now seen corresponding path program 1 times [2020-07-20 10:42:15,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:15,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [503753583] [2020-07-20 10:42:15,873 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 10:42:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:16,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:42:16,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:16,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:16,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:16,151 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [503753583] [2020-07-20 10:42:16,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:16,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:42:16,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549452096] [2020-07-20 10:42:16,153 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:42:16,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:16,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:42:16,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:42:16,155 INFO L87 Difference]: Start difference. First operand 111 states and 130 transitions. Second operand 3 states. [2020-07-20 10:42:16,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:16,177 INFO L93 Difference]: Finished difference Result 198 states and 239 transitions. [2020-07-20 10:42:16,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:42:16,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-07-20 10:42:16,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:16,180 INFO L225 Difference]: With dead ends: 198 [2020-07-20 10:42:16,180 INFO L226 Difference]: Without dead ends: 111 [2020-07-20 10:42:16,182 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 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 10:42:16,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-07-20 10:42:16,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-07-20 10:42:16,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-07-20 10:42:16,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 129 transitions. [2020-07-20 10:42:16,198 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 129 transitions. Word has length 53 [2020-07-20 10:42:16,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:16,198 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 129 transitions. [2020-07-20 10:42:16,198 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:42:16,199 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 129 transitions. [2020-07-20 10:42:16,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-20 10:42:16,201 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:16,201 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:16,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:16,415 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:16,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:16,415 INFO L82 PathProgramCache]: Analyzing trace with hash -820864254, now seen corresponding path program 1 times [2020-07-20 10:42:16,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:16,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561116482] [2020-07-20 10:42:16,417 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 10:42:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:16,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:42:16,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:16,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:16,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:16,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [561116482] [2020-07-20 10:42:16,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:16,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:42:16,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669405041] [2020-07-20 10:42:16,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:42:16,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:16,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:42:16,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:42:16,614 INFO L87 Difference]: Start difference. First operand 111 states and 129 transitions. Second operand 3 states. [2020-07-20 10:42:16,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:16,630 INFO L93 Difference]: Finished difference Result 171 states and 197 transitions. [2020-07-20 10:42:16,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:42:16,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-07-20 10:42:16,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:16,633 INFO L225 Difference]: With dead ends: 171 [2020-07-20 10:42:16,633 INFO L226 Difference]: Without dead ends: 102 [2020-07-20 10:42:16,635 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 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 10:42:16,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-07-20 10:42:16,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2020-07-20 10:42:16,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-07-20 10:42:16,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 117 transitions. [2020-07-20 10:42:16,647 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 117 transitions. Word has length 61 [2020-07-20 10:42:16,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:16,647 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 117 transitions. [2020-07-20 10:42:16,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:42:16,647 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 117 transitions. [2020-07-20 10:42:16,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 10:42:16,650 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:16,650 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:16,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:16,865 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:16,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:16,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1834066652, now seen corresponding path program 1 times [2020-07-20 10:42:16,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:16,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [588254081] [2020-07-20 10:42:16,866 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 10:42:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:17,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 10:42:17,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:17,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:17,090 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:17,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [588254081] [2020-07-20 10:42:17,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:17,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:42:17,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752201801] [2020-07-20 10:42:17,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:42:17,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:17,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:42:17,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:42:17,093 INFO L87 Difference]: Start difference. First operand 102 states and 117 transitions. Second operand 6 states. [2020-07-20 10:42:17,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:17,349 INFO L93 Difference]: Finished difference Result 249 states and 307 transitions. [2020-07-20 10:42:17,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:42:17,349 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-07-20 10:42:17,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:17,353 INFO L225 Difference]: With dead ends: 249 [2020-07-20 10:42:17,353 INFO L226 Difference]: Without dead ends: 171 [2020-07-20 10:42:17,354 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:42:17,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-07-20 10:42:17,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2020-07-20 10:42:17,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-07-20 10:42:17,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 202 transitions. [2020-07-20 10:42:17,377 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 202 transitions. Word has length 65 [2020-07-20 10:42:17,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:17,378 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 202 transitions. [2020-07-20 10:42:17,378 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:42:17,378 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 202 transitions. [2020-07-20 10:42:17,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-20 10:42:17,381 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:17,381 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:17,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:17,596 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:17,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:17,597 INFO L82 PathProgramCache]: Analyzing trace with hash 7432290, now seen corresponding path program 1 times [2020-07-20 10:42:17,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:17,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [73714122] [2020-07-20 10:42:17,598 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 10:42:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:17,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 10:42:17,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:17,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:17,812 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:17,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [73714122] [2020-07-20 10:42:17,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:17,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:42:17,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026635264] [2020-07-20 10:42:17,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:42:17,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:17,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:42:17,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:42:17,814 INFO L87 Difference]: Start difference. First operand 169 states and 202 transitions. Second operand 6 states. [2020-07-20 10:42:18,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:18,413 INFO L93 Difference]: Finished difference Result 421 states and 520 transitions. [2020-07-20 10:42:18,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:42:18,416 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-07-20 10:42:18,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:18,422 INFO L225 Difference]: With dead ends: 421 [2020-07-20 10:42:18,422 INFO L226 Difference]: Without dead ends: 276 [2020-07-20 10:42:18,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:42:18,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-07-20 10:42:18,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 273. [2020-07-20 10:42:18,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-07-20 10:42:18,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 321 transitions. [2020-07-20 10:42:18,466 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 321 transitions. Word has length 69 [2020-07-20 10:42:18,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:18,466 INFO L479 AbstractCegarLoop]: Abstraction has 273 states and 321 transitions. [2020-07-20 10:42:18,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:42:18,466 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 321 transitions. [2020-07-20 10:42:18,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-20 10:42:18,468 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:18,469 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:18,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:18,683 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:18,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:18,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1116755065, now seen corresponding path program 1 times [2020-07-20 10:42:18,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:18,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1631896959] [2020-07-20 10:42:18,685 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 10:42:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:18,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 10:42:18,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:18,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:18,886 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:18,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1631896959] [2020-07-20 10:42:18,887 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:18,887 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 10:42:18,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538349849] [2020-07-20 10:42:18,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 10:42:18,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:18,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 10:42:18,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:42:18,889 INFO L87 Difference]: Start difference. First operand 273 states and 321 transitions. Second operand 5 states. [2020-07-20 10:42:18,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:18,919 INFO L93 Difference]: Finished difference Result 525 states and 627 transitions. [2020-07-20 10:42:18,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 10:42:18,920 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2020-07-20 10:42:18,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:18,923 INFO L225 Difference]: With dead ends: 525 [2020-07-20 10:42:18,923 INFO L226 Difference]: Without dead ends: 276 [2020-07-20 10:42:18,925 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 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 10:42:18,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-07-20 10:42:18,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 273. [2020-07-20 10:42:18,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-07-20 10:42:18,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 320 transitions. [2020-07-20 10:42:18,959 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 320 transitions. Word has length 83 [2020-07-20 10:42:18,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:18,961 INFO L479 AbstractCegarLoop]: Abstraction has 273 states and 320 transitions. [2020-07-20 10:42:18,961 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 10:42:18,962 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 320 transitions. [2020-07-20 10:42:18,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-20 10:42:18,966 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:18,966 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:19,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:19,180 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:19,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:19,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1044368507, now seen corresponding path program 1 times [2020-07-20 10:42:19,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:19,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [932680937] [2020-07-20 10:42:19,181 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 10:42:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:19,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 10:42:19,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:19,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:19,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:19,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [932680937] [2020-07-20 10:42:19,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:19,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:42:19,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127236633] [2020-07-20 10:42:19,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:42:19,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:19,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:42:19,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:42:19,396 INFO L87 Difference]: Start difference. First operand 273 states and 320 transitions. Second operand 6 states. [2020-07-20 10:42:19,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:19,443 INFO L93 Difference]: Finished difference Result 495 states and 593 transitions. [2020-07-20 10:42:19,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:42:19,444 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-07-20 10:42:19,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:19,449 INFO L225 Difference]: With dead ends: 495 [2020-07-20 10:42:19,449 INFO L226 Difference]: Without dead ends: 246 [2020-07-20 10:42:19,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 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 10:42:19,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-07-20 10:42:19,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 243. [2020-07-20 10:42:19,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-07-20 10:42:19,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 284 transitions. [2020-07-20 10:42:19,501 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 284 transitions. Word has length 83 [2020-07-20 10:42:19,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:19,503 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 284 transitions. [2020-07-20 10:42:19,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:42:19,503 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 284 transitions. [2020-07-20 10:42:19,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-20 10:42:19,519 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:19,519 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:19,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:19,720 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:19,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:19,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1113116411, now seen corresponding path program 1 times [2020-07-20 10:42:19,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:19,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1693058672] [2020-07-20 10:42:19,721 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 10:42:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:19,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 10:42:19,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:19,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:19,926 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:19,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1693058672] [2020-07-20 10:42:19,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:19,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:42:19,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115680735] [2020-07-20 10:42:19,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:42:19,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:19,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:42:19,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:42:19,928 INFO L87 Difference]: Start difference. First operand 243 states and 284 transitions. Second operand 6 states. [2020-07-20 10:42:20,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:20,061 INFO L93 Difference]: Finished difference Result 245 states and 287 transitions. [2020-07-20 10:42:20,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:42:20,061 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2020-07-20 10:42:20,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:20,062 INFO L225 Difference]: With dead ends: 245 [2020-07-20 10:42:20,062 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:42:20,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:42:20,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:42:20,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:42:20,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:42:20,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:42:20,064 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2020-07-20 10:42:20,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:20,064 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:42:20,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:42:20,065 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:42:20,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:42:20,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:20,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:42:21,029 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 23 [2020-07-20 10:42:21,133 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 23 [2020-07-20 10:42:21,839 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2020-07-20 10:42:21,994 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-07-20 10:42:21,994 INFO L268 CegarLoopResult]: For program point L320-2(lines 320 341) no Hoare annotation was computed. [2020-07-20 10:42:21,995 INFO L268 CegarLoopResult]: For program point L342(lines 319 343) no Hoare annotation was computed. [2020-07-20 10:42:21,995 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 295 350) no Hoare annotation was computed. [2020-07-20 10:42:21,995 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 295 350) no Hoare annotation was computed. [2020-07-20 10:42:21,995 INFO L268 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2020-07-20 10:42:21,995 INFO L268 CegarLoopResult]: For program point L326-1(lines 326 330) no Hoare annotation was computed. [2020-07-20 10:42:21,995 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 295 350) no Hoare annotation was computed. [2020-07-20 10:42:21,996 INFO L268 CegarLoopResult]: For program point L383(lines 383 387) no Hoare annotation was computed. [2020-07-20 10:42:21,996 INFO L268 CegarLoopResult]: For program point L383-1(lines 383 387) no Hoare annotation was computed. [2020-07-20 10:42:21,996 INFO L268 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-07-20 10:42:21,996 INFO L268 CegarLoopResult]: For program point L377-2(lines 377 402) no Hoare annotation was computed. [2020-07-20 10:42:21,996 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 351 410) no Hoare annotation was computed. [2020-07-20 10:42:21,996 INFO L268 CegarLoopResult]: For program point L403(lines 376 404) no Hoare annotation was computed. [2020-07-20 10:42:21,996 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 351 410) no Hoare annotation was computed. [2020-07-20 10:42:21,996 INFO L268 CegarLoopResult]: For program point L396(line 396) no Hoare annotation was computed. [2020-07-20 10:42:21,996 INFO L268 CegarLoopResult]: For program point L396-1(line 396) no Hoare annotation was computed. [2020-07-20 10:42:21,997 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 351 410) no Hoare annotation was computed. [2020-07-20 10:42:21,997 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 891 897) the Hoare annotation is: true [2020-07-20 10:42:21,997 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 891 897) no Hoare annotation was computed. [2020-07-20 10:42:21,997 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 898 906) no Hoare annotation was computed. [2020-07-20 10:42:21,997 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 898 906) the Hoare annotation is: true [2020-07-20 10:42:21,997 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 898 906) no Hoare annotation was computed. [2020-07-20 10:42:21,997 INFO L264 CegarLoopResult]: At program point L225(line 225) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 10:42:21,998 INFO L264 CegarLoopResult]: At program point L225-1(line 225) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 10:42:21,998 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 219 241) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 10:42:21,998 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 219 241) no Hoare annotation was computed. [2020-07-20 10:42:21,998 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 219 241) no Hoare annotation was computed. [2020-07-20 10:42:21,998 INFO L264 CegarLoopResult]: At program point L231(line 231) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 10:42:21,998 INFO L264 CegarLoopResult]: At program point L231-1(line 231) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 10:42:21,998 INFO L268 CegarLoopResult]: For program point L229(lines 229 236) no Hoare annotation was computed. [2020-07-20 10:42:21,999 INFO L268 CegarLoopResult]: For program point L229-1(lines 229 236) no Hoare annotation was computed. [2020-07-20 10:42:21,999 INFO L268 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2020-07-20 10:42:21,999 INFO L264 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 10:42:21,999 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-07-20 10:42:21,999 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 174 197) no Hoare annotation was computed. [2020-07-20 10:42:21,999 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-07-20 10:42:21,999 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 10:42:22,000 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-07-20 10:42:22,000 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 174 197) no Hoare annotation was computed. [2020-07-20 10:42:22,000 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-07-20 10:42:22,000 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 174 197) no Hoare annotation was computed. [2020-07-20 10:42:22,000 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 10:42:22,000 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-07-20 10:42:22,000 INFO L268 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-07-20 10:42:22,001 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 10:42:22,001 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-07-20 10:42:22,001 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-07-20 10:42:22,001 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 10:42:22,001 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-07-20 10:42:22,001 INFO L268 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-07-20 10:42:22,001 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 774 782) no Hoare annotation was computed. [2020-07-20 10:42:22,002 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 774 782) the Hoare annotation is: true [2020-07-20 10:42:22,002 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 774 782) no Hoare annotation was computed. [2020-07-20 10:42:22,002 INFO L268 CegarLoopResult]: For program point L802-2(lines 802 810) no Hoare annotation was computed. [2020-07-20 10:42:22,002 INFO L268 CegarLoopResult]: For program point L790(lines 790 798) no Hoare annotation was computed. [2020-07-20 10:42:22,002 INFO L268 CegarLoopResult]: For program point L790-2(lines 790 798) no Hoare annotation was computed. [2020-07-20 10:42:22,002 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 783 818) no Hoare annotation was computed. [2020-07-20 10:42:22,002 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-07-20 10:42:22,003 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-07-20 10:42:22,003 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 783 818) no Hoare annotation was computed. [2020-07-20 10:42:22,003 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 783 818) no Hoare annotation was computed. [2020-07-20 10:42:22,003 INFO L268 CegarLoopResult]: For program point L802(lines 802 810) no Hoare annotation was computed. [2020-07-20 10:42:22,003 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 884 890) no Hoare annotation was computed. [2020-07-20 10:42:22,003 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 884 890) the Hoare annotation is: true [2020-07-20 10:42:22,003 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 249 294) no Hoare annotation was computed. [2020-07-20 10:42:22,003 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 249 294) no Hoare annotation was computed. [2020-07-20 10:42:22,004 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 249 294) no Hoare annotation was computed. [2020-07-20 10:42:22,004 INFO L268 CegarLoopResult]: For program point L576(lines 576 596) no Hoare annotation was computed. [2020-07-20 10:42:22,004 INFO L268 CegarLoopResult]: For program point L576-1(lines 576 596) no Hoare annotation was computed. [2020-07-20 10:42:22,004 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 562 607) no Hoare annotation was computed. [2020-07-20 10:42:22,004 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 562 607) no Hoare annotation was computed. [2020-07-20 10:42:22,004 INFO L268 CegarLoopResult]: For program point L582(lines 582 589) no Hoare annotation was computed. [2020-07-20 10:42:22,004 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 562 607) no Hoare annotation was computed. [2020-07-20 10:42:22,005 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 206 215) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 10:42:22,005 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 206 215) no Hoare annotation was computed. [2020-07-20 10:42:22,005 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 206 215) no Hoare annotation was computed. [2020-07-20 10:42:22,005 INFO L268 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-07-20 10:42:22,005 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 763 773) no Hoare annotation was computed. [2020-07-20 10:42:22,005 INFO L268 CegarLoopResult]: For program point L768-1(line 768) no Hoare annotation was computed. [2020-07-20 10:42:22,005 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 763 773) no Hoare annotation was computed. [2020-07-20 10:42:22,005 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 763 773) no Hoare annotation was computed. [2020-07-20 10:42:22,006 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 755 762) no Hoare annotation was computed. [2020-07-20 10:42:22,006 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 755 762) no Hoare annotation was computed. [2020-07-20 10:42:22,006 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 755 762) no Hoare annotation was computed. [2020-07-20 10:42:22,006 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-07-20 10:42:22,006 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-07-20 10:42:22,006 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-07-20 10:42:22,006 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-07-20 10:42:22,006 INFO L264 CegarLoopResult]: At program point L736(line 736) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|))))) [2020-07-20 10:42:22,007 INFO L264 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (let ((.cse1 (= 0 ~pumpRunning~0))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= ~waterLevel~0 1)) (and .cse1 (<= 1 processEnvironment_~tmp~5)))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|))))) [2020-07-20 10:42:22,007 INFO L268 CegarLoopResult]: For program point L730(lines 730 738) no Hoare annotation was computed. [2020-07-20 10:42:22,007 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|))))) [2020-07-20 10:42:22,007 INFO L268 CegarLoopResult]: For program point L728-1(line 728) no Hoare annotation was computed. [2020-07-20 10:42:22,007 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 722 746) no Hoare annotation was computed. [2020-07-20 10:42:22,007 INFO L268 CegarLoopResult]: For program point L726(lines 726 743) no Hoare annotation was computed. [2020-07-20 10:42:22,008 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 722 746) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))))) [2020-07-20 10:42:22,008 INFO L264 CegarLoopResult]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))))) [2020-07-20 10:42:22,008 INFO L268 CegarLoopResult]: For program point L741-1(lines 722 746) no Hoare annotation was computed. [2020-07-20 10:42:22,008 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 714 720) no Hoare annotation was computed. [2020-07-20 10:42:22,008 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 714 720) the Hoare annotation is: true [2020-07-20 10:42:22,008 INFO L264 CegarLoopResult]: At program point L640(line 640) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0))) [2020-07-20 10:42:22,008 INFO L264 CegarLoopResult]: At program point testENTRY(lines 618 681) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 10:42:22,009 INFO L264 CegarLoopResult]: At program point L671(lines 628 673) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0))) [2020-07-20 10:42:22,009 INFO L268 CegarLoopResult]: For program point L638(lines 638 644) no Hoare annotation was computed. [2020-07-20 10:42:22,009 INFO L268 CegarLoopResult]: For program point L638-1(lines 638 644) no Hoare annotation was computed. [2020-07-20 10:42:22,009 INFO L268 CegarLoopResult]: For program point testFINAL(lines 618 681) no Hoare annotation was computed. [2020-07-20 10:42:22,009 INFO L268 CegarLoopResult]: For program point L630(lines 630 634) no Hoare annotation was computed. [2020-07-20 10:42:22,009 INFO L264 CegarLoopResult]: At program point L674(lines 627 675) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 10:42:22,009 INFO L268 CegarLoopResult]: For program point L664(lines 664 668) no Hoare annotation was computed. [2020-07-20 10:42:22,010 INFO L264 CegarLoopResult]: At program point L664-2(lines 658 669) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0))) [2020-07-20 10:42:22,010 INFO L268 CegarLoopResult]: For program point L629(lines 628 673) no Hoare annotation was computed. [2020-07-20 10:42:22,010 INFO L268 CegarLoopResult]: For program point L658(lines 658 669) no Hoare annotation was computed. [2020-07-20 10:42:22,010 INFO L264 CegarLoopResult]: At program point L650(line 650) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0))) [2020-07-20 10:42:22,010 INFO L268 CegarLoopResult]: For program point L648(lines 648 654) no Hoare annotation was computed. [2020-07-20 10:42:22,010 INFO L268 CegarLoopResult]: For program point L648-1(lines 648 654) no Hoare annotation was computed. [2020-07-20 10:42:22,010 INFO L268 CegarLoopResult]: For program point testEXIT(lines 618 681) no Hoare annotation was computed. [2020-07-20 10:42:22,011 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 516 561) no Hoare annotation was computed. [2020-07-20 10:42:22,011 INFO L268 CegarLoopResult]: For program point L536(lines 536 543) no Hoare annotation was computed. [2020-07-20 10:42:22,011 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 516 561) no Hoare annotation was computed. [2020-07-20 10:42:22,011 INFO L268 CegarLoopResult]: For program point L530(lines 530 550) no Hoare annotation was computed. [2020-07-20 10:42:22,011 INFO L268 CegarLoopResult]: For program point L530-1(lines 530 550) no Hoare annotation was computed. [2020-07-20 10:42:22,011 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 516 561) no Hoare annotation was computed. [2020-07-20 10:42:22,011 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-20 10:42:22,012 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-20 10:42:22,012 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-20 10:42:22,012 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-20 10:42:22,012 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-20 10:42:22,012 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 413 515) no Hoare annotation was computed. [2020-07-20 10:42:22,012 INFO L268 CegarLoopResult]: For program point L442(lines 442 458) no Hoare annotation was computed. [2020-07-20 10:42:22,012 INFO L268 CegarLoopResult]: For program point L502(lines 502 509) no Hoare annotation was computed. [2020-07-20 10:42:22,012 INFO L268 CegarLoopResult]: For program point L463(lines 462 482) no Hoare annotation was computed. [2020-07-20 10:42:22,013 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-20 10:42:22,013 INFO L268 CegarLoopResult]: For program point L494-1(line 494) no Hoare annotation was computed. [2020-07-20 10:42:22,013 INFO L268 CegarLoopResult]: For program point L459(lines 459 500) no Hoare annotation was computed. [2020-07-20 10:42:22,013 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 413 515) no Hoare annotation was computed. [2020-07-20 10:42:22,013 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 10:42:22,013 INFO L268 CegarLoopResult]: For program point L478-1(line 478) no Hoare annotation was computed. [2020-07-20 10:42:22,013 INFO L268 CegarLoopResult]: For program point L437(lines 437 441) no Hoare annotation was computed. [2020-07-20 10:42:22,013 INFO L268 CegarLoopResult]: For program point L501(lines 501 512) no Hoare annotation was computed. [2020-07-20 10:42:22,013 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 413 515) no Hoare annotation was computed. [2020-07-20 10:42:22,014 INFO L268 CegarLoopResult]: For program point L464(lines 464 468) no Hoare annotation was computed. [2020-07-20 10:42:22,014 INFO L268 CegarLoopResult]: For program point L462-2(lines 462 482) no Hoare annotation was computed. [2020-07-20 10:42:22,014 INFO L268 CegarLoopResult]: For program point L483(lines 461 484) no Hoare annotation was computed. [2020-07-20 10:42:22,014 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 874 883) no Hoare annotation was computed. [2020-07-20 10:42:22,014 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 874 883) no Hoare annotation was computed. [2020-07-20 10:42:22,014 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 874 883) no Hoare annotation was computed. [2020-07-20 10:42:22,014 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:42:22,014 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2020-07-20 10:42:22,014 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:42:22,015 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 747 754) no Hoare annotation was computed. [2020-07-20 10:42:22,015 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2020-07-20 10:42:22,015 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 747 754) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:42:22,015 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-07-20 10:42:22,015 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-20 10:42:22,015 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-20 10:42:22,015 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 819 837) no Hoare annotation was computed. [2020-07-20 10:42:22,015 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-07-20 10:42:22,016 INFO L271 CegarLoopResult]: At program point L826(line 826) the Hoare annotation is: true [2020-07-20 10:42:22,016 INFO L268 CegarLoopResult]: For program point L828-2(lines 828 832) no Hoare annotation was computed. [2020-07-20 10:42:22,016 INFO L268 CegarLoopResult]: For program point L826-1(line 826) no Hoare annotation was computed. [2020-07-20 10:42:22,016 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 819 837) the Hoare annotation is: true [2020-07-20 10:42:22,016 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 819 837) no Hoare annotation was computed. [2020-07-20 10:42:22,016 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-20 10:42:22,016 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2020-07-20 10:42:22,016 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-20 10:42:22,016 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:42:22,017 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:42:22,017 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:42:22,017 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-20 10:42:22,017 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-20 10:42:22,017 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-20 10:42:22,017 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse0 .cse1 .cse4) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3))) [2020-07-20 10:42:22,018 INFO L264 CegarLoopResult]: At program point L701(lines 701 707) the Hoare annotation is: (let ((.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (and (= 0 ~pumpRunning~0) .cse2) (<= 1 ~pumpRunning~0)) (or .cse3 .cse0 .cse4 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4))) [2020-07-20 10:42:22,018 INFO L264 CegarLoopResult]: At program point L696(line 696) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (<= ~waterLevel~0 1)) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1))) [2020-07-20 10:42:22,018 INFO L268 CegarLoopResult]: For program point L694(lines 693 712) no Hoare annotation was computed. [2020-07-20 10:42:22,018 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 690 713) the Hoare annotation is: (let ((.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse0 .cse1 .cse4) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3))) [2020-07-20 10:42:22,018 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 690 713) no Hoare annotation was computed. [2020-07-20 10:42:22,018 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 690 713) no Hoare annotation was computed. [2020-07-20 10:42:22,018 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2020-07-20 10:42:22,019 INFO L268 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2020-07-20 10:42:22,019 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2020-07-20 10:42:22,019 INFO L271 CegarLoopResult]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2020-07-20 10:42:22,019 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 10:42:22,019 INFO L271 CegarLoopResult]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2020-07-20 10:42:22,019 INFO L271 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: true [2020-07-20 10:42:22,019 INFO L268 CegarLoopResult]: For program point L149-1(line 149) no Hoare annotation was computed. [2020-07-20 10:42:22,020 INFO L271 CegarLoopResult]: At program point L168(lines 143 172) the Hoare annotation is: true [2020-07-20 10:42:22,020 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-07-20 10:42:22,020 INFO L264 CegarLoopResult]: At program point L862(line 862) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))))) [2020-07-20 10:42:22,020 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 839 871) no Hoare annotation was computed. [2020-07-20 10:42:22,020 INFO L268 CegarLoopResult]: For program point L858(lines 858 864) no Hoare annotation was computed. [2020-07-20 10:42:22,020 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 839 871) the Hoare annotation is: true [2020-07-20 10:42:22,020 INFO L264 CegarLoopResult]: At program point L856(line 856) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 10:42:22,020 INFO L268 CegarLoopResult]: For program point L856-1(line 856) no Hoare annotation was computed. [2020-07-20 10:42:22,021 INFO L268 CegarLoopResult]: For program point L854(lines 854 867) no Hoare annotation was computed. [2020-07-20 10:42:22,021 INFO L268 CegarLoopResult]: For program point L854-1(lines 839 871) no Hoare annotation was computed. [2020-07-20 10:42:22,021 INFO L271 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: true [2020-07-20 10:42:22,021 INFO L268 CegarLoopResult]: For program point L852-1(line 852) no Hoare annotation was computed. [2020-07-20 10:42:22,021 INFO L268 CegarLoopResult]: For program point L848(lines 848 868) no Hoare annotation was computed. [2020-07-20 10:42:22,021 INFO L271 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: true [2020-07-20 10:42:22,021 INFO L268 CegarLoopResult]: For program point L846-1(line 846) no Hoare annotation was computed. [2020-07-20 10:42:22,021 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (<= ~waterLevel~0 1) (not (<= 1 ~pumpRunning~0))) [2020-07-20 10:42:22,022 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-20 10:42:22,022 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-20 10:42:22,022 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2020-07-20 10:42:22,022 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2020-07-20 10:42:22,022 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:42:22,022 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 10:42:22,022 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:42:22,022 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:42:22,022 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-20 10:42:22,023 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-20 10:42:22,023 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 10:42:22,023 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 609 616) no Hoare annotation was computed. [2020-07-20 10:42:22,023 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 613) no Hoare annotation was computed. [2020-07-20 10:42:22,023 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 609 616) the Hoare annotation is: true [2020-07-20 10:42:22,023 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 609 616) no Hoare annotation was computed. [2020-07-20 10:42:22,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:42:22 BoogieIcfgContainer [2020-07-20 10:42:22,040 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:42:22,042 INFO L168 Benchmark]: Toolchain (without parser) took 9045.42 ms. Allocated memory was 139.5 MB in the beginning and 323.5 MB in the end (delta: 184.0 MB). Free memory was 103.4 MB in the beginning and 127.8 MB in the end (delta: -24.4 MB). Peak memory consumption was 162.3 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:22,043 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 10:42:22,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.06 ms. Allocated memory was 139.5 MB in the beginning and 205.5 MB in the end (delta: 66.1 MB). Free memory was 103.0 MB in the beginning and 176.0 MB in the end (delta: -73.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:22,044 INFO L168 Benchmark]: Boogie Preprocessor took 89.66 ms. Allocated memory is still 205.5 MB. Free memory was 176.0 MB in the beginning and 172.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:22,045 INFO L168 Benchmark]: RCFGBuilder took 1297.04 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 172.0 MB in the beginning and 202.2 MB in the end (delta: -30.2 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:22,046 INFO L168 Benchmark]: TraceAbstraction took 6933.32 ms. Allocated memory was 238.6 MB in the beginning and 323.5 MB in the end (delta: 84.9 MB). Free memory was 202.2 MB in the beginning and 127.8 MB in the end (delta: 74.4 MB). Peak memory consumption was 162.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:22,050 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 719.06 ms. Allocated memory was 139.5 MB in the beginning and 205.5 MB in the end (delta: 66.1 MB). Free memory was 103.0 MB in the beginning and 176.0 MB in the end (delta: -73.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.66 ms. Allocated memory is still 205.5 MB. Free memory was 176.0 MB in the beginning and 172.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1297.04 ms. Allocated memory was 205.5 MB in the beginning and 238.6 MB in the end (delta: 33.0 MB). Free memory was 172.0 MB in the beginning and 202.2 MB in the end (delta: -30.2 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6933.32 ms. Allocated memory was 238.6 MB in the beginning and 323.5 MB in the end (delta: 84.9 MB). Free memory was 202.2 MB in the beginning and 127.8 MB in the end (delta: 74.4 MB). Peak memory consumption was 162.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 613]: 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: 628]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || !(1 <= systemActive)) || (splverifierCounter <= 0 && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter <= 0) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= systemActive) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 218 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.0s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1072 SDtfs, 406 SDslu, 1889 SDs, 0 SdLazy, 423 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 549 GetRequests, 522 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=273occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 11 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 500 PreInvPairs, 534 NumberOfFragments, 777 HoareAnnotationTreeSize, 500 FomulaSimplifications, 183 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 51 FomulaSimplificationsInter, 1662 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 550 NumberOfCodeBlocks, 550 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 542 ConstructedInterpolants, 0 QuantifiedInterpolants, 57274 SizeOfPredicates, 16 NumberOfNonLiveVariables, 5504 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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...