/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 16:29:18,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 16:29:18,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 16:29:18,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 16:29:18,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 16:29:18,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 16:29:18,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 16:29:18,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 16:29:18,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 16:29:18,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 16:29:18,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 16:29:18,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 16:29:18,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 16:29:18,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 16:29:18,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 16:29:18,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 16:29:18,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 16:29:18,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 16:29:18,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 16:29:18,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 16:29:18,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 16:29:18,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 16:29:18,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 16:29:18,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 16:29:18,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 16:29:18,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 16:29:18,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 16:29:18,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 16:29:18,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 16:29:18,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 16:29:18,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 16:29:18,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 16:29:18,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 16:29:18,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 16:29:18,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 16:29:18,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 16:29:18,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 16:29:18,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 16:29:18,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 16:29:18,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 16:29:18,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 16:29:18,800 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 16:29:18,821 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 16:29:18,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 16:29:18,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 16:29:18,823 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 16:29:18,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 16:29:18,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 16:29:18,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 16:29:18,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 16:29:18,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 16:29:18,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 16:29:18,824 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 16:29:18,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 16:29:18,825 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 16:29:18,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 16:29:18,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 16:29:18,825 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 16:29:18,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 16:29:18,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 16:29:18,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:29:18,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 16:29:18,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 16:29:18,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 16:29:18,826 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-17 16:29:19,092 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 16:29:19,109 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 16:29:19,112 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 16:29:19,114 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 16:29:19,114 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 16:29:19,115 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product33.cil.c [2020-07-17 16:29:19,175 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1d28b34d/754db3e3d6624681b1891c0659d470f4/FLAG437537963 [2020-07-17 16:29:19,647 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 16:29:19,648 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product33.cil.c [2020-07-17 16:29:19,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1d28b34d/754db3e3d6624681b1891c0659d470f4/FLAG437537963 [2020-07-17 16:29:20,002 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1d28b34d/754db3e3d6624681b1891c0659d470f4 [2020-07-17 16:29:20,010 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 16:29:20,012 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 16:29:20,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 16:29:20,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 16:29:20,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 16:29:20,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:29:20" (1/1) ... [2020-07-17 16:29:20,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d1cb88d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:20, skipping insertion in model container [2020-07-17 16:29:20,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:29:20" (1/1) ... [2020-07-17 16:29:20,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 16:29:20,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 16:29:20,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:29:20,505 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 16:29:20,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:29:20,633 INFO L208 MainTranslator]: Completed translation [2020-07-17 16:29:20,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:20 WrapperNode [2020-07-17 16:29:20,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 16:29:20,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 16:29:20,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 16:29:20,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 16:29:20,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:20" (1/1) ... [2020-07-17 16:29:20,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:20" (1/1) ... [2020-07-17 16:29:20,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:20" (1/1) ... [2020-07-17 16:29:20,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:20" (1/1) ... [2020-07-17 16:29:20,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:20" (1/1) ... [2020-07-17 16:29:20,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:20" (1/1) ... [2020-07-17 16:29:20,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:20" (1/1) ... [2020-07-17 16:29:20,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 16:29:20,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 16:29:20,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 16:29:20,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 16:29:20,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:20" (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 [2020-07-17 16:29:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 16:29:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 16:29:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 16:29:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 16:29:20,793 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 16:29:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 16:29:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 16:29:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 16:29:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 16:29:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 16:29:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 16:29:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 16:29:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 16:29:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 16:29:20,795 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 16:29:20,795 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 16:29:20,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 16:29:20,795 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 16:29:20,795 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 16:29:20,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 16:29:20,796 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 16:29:20,796 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 16:29:20,796 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 16:29:20,796 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 16:29:20,796 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 16:29:20,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 16:29:20,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 16:29:20,797 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 16:29:20,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 16:29:20,797 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 16:29:20,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 16:29:20,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 16:29:20,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 16:29:20,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 16:29:20,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 16:29:20,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 16:29:20,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-17 16:29:20,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-17 16:29:20,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 16:29:20,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 16:29:20,799 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 16:29:20,799 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 16:29:20,799 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 16:29:20,799 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 16:29:20,800 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 16:29:20,800 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 16:29:20,800 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 16:29:20,800 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 16:29:20,800 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 16:29:20,800 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 16:29:20,801 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 16:29:20,801 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 16:29:20,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 16:29:20,801 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 16:29:20,801 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 16:29:20,801 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 16:29:20,801 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 16:29:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 16:29:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-17 16:29:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 16:29:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 16:29:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 16:29:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 16:29:20,802 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 16:29:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 16:29:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 16:29:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-17 16:29:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 16:29:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 16:29:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 16:29:20,803 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 16:29:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 16:29:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 16:29:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 16:29:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 16:29:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 16:29:20,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 16:29:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 16:29:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 16:29:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 16:29:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 16:29:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 16:29:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 16:29:20,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 16:29:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 16:29:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 16:29:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 16:29:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 16:29:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 16:29:20,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 16:29:22,078 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 16:29:22,078 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 16:29:22,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:29:22 BoogieIcfgContainer [2020-07-17 16:29:22,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 16:29:22,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 16:29:22,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 16:29:22,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 16:29:22,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 04:29:20" (1/3) ... [2020-07-17 16:29:22,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13bced3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:29:22, skipping insertion in model container [2020-07-17 16:29:22,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:29:20" (2/3) ... [2020-07-17 16:29:22,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13bced3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:29:22, skipping insertion in model container [2020-07-17 16:29:22,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:29:22" (3/3) ... [2020-07-17 16:29:22,099 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product33.cil.c [2020-07-17 16:29:22,109 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 16:29:22,123 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 16:29:22,138 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 16:29:22,165 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 16:29:22,165 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 16:29:22,165 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 16:29:22,165 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 16:29:22,166 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 16:29:22,166 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 16:29:22,167 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 16:29:22,167 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 16:29:22,198 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2020-07-17 16:29:22,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-17 16:29:22,234 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:29:22,236 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:29:22,237 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:29:22,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:29:22,244 INFO L82 PathProgramCache]: Analyzing trace with hash -636857616, now seen corresponding path program 1 times [2020-07-17 16:29:22,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:29:22,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1711256739] [2020-07-17 16:29:22,254 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:29:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:22,942 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:29:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:23,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:29:23,175 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1711256739] [2020-07-17 16:29:23,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:29:23,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 16:29:23,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920492725] [2020-07-17 16:29:23,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 16:29:23,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:29:23,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 16:29:23,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 16:29:23,203 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 4 states. [2020-07-17 16:29:24,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:29:24,407 INFO L93 Difference]: Finished difference Result 432 states and 512 transitions. [2020-07-17 16:29:24,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 16:29:24,411 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-07-17 16:29:24,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:29:24,440 INFO L225 Difference]: With dead ends: 432 [2020-07-17 16:29:24,441 INFO L226 Difference]: Without dead ends: 281 [2020-07-17 16:29:24,446 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 16:29:24,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-07-17 16:29:24,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 236. [2020-07-17 16:29:24,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-07-17 16:29:24,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 255 transitions. [2020-07-17 16:29:24,616 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 255 transitions. Word has length 148 [2020-07-17 16:29:24,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:29:24,618 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 255 transitions. [2020-07-17 16:29:24,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 16:29:24,618 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 255 transitions. [2020-07-17 16:29:24,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-17 16:29:24,622 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:29:24,622 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:29:24,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 16:29:24,623 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:29:24,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:29:24,624 INFO L82 PathProgramCache]: Analyzing trace with hash -394037270, now seen corresponding path program 1 times [2020-07-17 16:29:24,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:29:24,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [884555453] [2020-07-17 16:29:24,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:29:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:24,977 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:29:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:25,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:29:25,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [884555453] [2020-07-17 16:29:25,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:29:25,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 16:29:25,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734849031] [2020-07-17 16:29:25,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 16:29:25,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:29:25,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 16:29:25,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 16:29:25,112 INFO L87 Difference]: Start difference. First operand 236 states and 255 transitions. Second operand 5 states. [2020-07-17 16:29:25,740 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:29:26,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:29:26,478 INFO L93 Difference]: Finished difference Result 361 states and 407 transitions. [2020-07-17 16:29:26,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 16:29:26,479 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-07-17 16:29:26,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:29:26,483 INFO L225 Difference]: With dead ends: 361 [2020-07-17 16:29:26,483 INFO L226 Difference]: Without dead ends: 270 [2020-07-17 16:29:26,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 16:29:26,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-07-17 16:29:26,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 226. [2020-07-17 16:29:26,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-07-17 16:29:26,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 242 transitions. [2020-07-17 16:29:26,569 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 242 transitions. Word has length 149 [2020-07-17 16:29:26,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:29:26,570 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 242 transitions. [2020-07-17 16:29:26,570 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 16:29:26,570 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 242 transitions. [2020-07-17 16:29:26,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-17 16:29:26,573 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:29:26,573 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:29:26,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 16:29:26,573 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:29:26,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:29:26,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1798175291, now seen corresponding path program 1 times [2020-07-17 16:29:26,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:29:26,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1608950546] [2020-07-17 16:29:26,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:29:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:26,957 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:29:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:27,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:29:27,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1608950546] [2020-07-17 16:29:27,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:29:27,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 16:29:27,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254816248] [2020-07-17 16:29:27,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 16:29:27,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:29:27,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 16:29:27,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-17 16:29:27,117 INFO L87 Difference]: Start difference. First operand 226 states and 242 transitions. Second operand 10 states. [2020-07-17 16:29:27,594 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:29:27,892 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:29:28,132 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 16:29:28,373 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:28,664 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:29:28,886 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:30,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:29:30,115 INFO L93 Difference]: Finished difference Result 381 states and 433 transitions. [2020-07-17 16:29:30,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 16:29:30,116 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 158 [2020-07-17 16:29:30,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:29:30,119 INFO L225 Difference]: With dead ends: 381 [2020-07-17 16:29:30,120 INFO L226 Difference]: Without dead ends: 270 [2020-07-17 16:29:30,121 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-07-17 16:29:30,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-07-17 16:29:30,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 226. [2020-07-17 16:29:30,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-07-17 16:29:30,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 241 transitions. [2020-07-17 16:29:30,186 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 241 transitions. Word has length 158 [2020-07-17 16:29:30,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:29:30,187 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 241 transitions. [2020-07-17 16:29:30,187 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 16:29:30,187 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 241 transitions. [2020-07-17 16:29:30,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-07-17 16:29:30,190 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:29:30,190 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:29:30,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 16:29:30,190 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:29:30,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:29:30,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1932582056, now seen corresponding path program 1 times [2020-07-17 16:29:30,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:29:30,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [216024374] [2020-07-17 16:29:30,192 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:29:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:30,529 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:29:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:30,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:29:30,698 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [216024374] [2020-07-17 16:29:30,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:29:30,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 16:29:30,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273003985] [2020-07-17 16:29:30,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 16:29:30,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:29:30,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 16:29:30,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 16:29:30,701 INFO L87 Difference]: Start difference. First operand 226 states and 241 transitions. Second operand 7 states. [2020-07-17 16:29:31,232 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:29:32,633 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:29:33,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:29:33,154 INFO L93 Difference]: Finished difference Result 511 states and 588 transitions. [2020-07-17 16:29:33,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-17 16:29:33,155 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 166 [2020-07-17 16:29:33,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:29:33,159 INFO L225 Difference]: With dead ends: 511 [2020-07-17 16:29:33,160 INFO L226 Difference]: Without dead ends: 400 [2020-07-17 16:29:33,161 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-17 16:29:33,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2020-07-17 16:29:33,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 329. [2020-07-17 16:29:33,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2020-07-17 16:29:33,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 356 transitions. [2020-07-17 16:29:33,278 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 356 transitions. Word has length 166 [2020-07-17 16:29:33,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:29:33,278 INFO L479 AbstractCegarLoop]: Abstraction has 329 states and 356 transitions. [2020-07-17 16:29:33,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 16:29:33,279 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 356 transitions. [2020-07-17 16:29:33,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-07-17 16:29:33,281 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:29:33,282 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:29:33,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 16:29:33,282 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:29:33,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:29:33,282 INFO L82 PathProgramCache]: Analyzing trace with hash 171472501, now seen corresponding path program 1 times [2020-07-17 16:29:33,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:29:33,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [249376738] [2020-07-17 16:29:33,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:29:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,604 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:29:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:33,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:29:33,823 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [249376738] [2020-07-17 16:29:33,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:29:33,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 16:29:33,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513211145] [2020-07-17 16:29:33,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 16:29:33,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:29:33,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 16:29:33,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-17 16:29:33,827 INFO L87 Difference]: Start difference. First operand 329 states and 356 transitions. Second operand 10 states. [2020-07-17 16:29:34,304 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:29:35,702 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:35,935 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:29:36,184 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:36,402 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:29:36,660 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:29:36,875 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:37,098 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:37,418 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:29:38,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:29:38,254 INFO L93 Difference]: Finished difference Result 821 states and 962 transitions. [2020-07-17 16:29:38,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-17 16:29:38,254 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2020-07-17 16:29:38,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:29:38,260 INFO L225 Difference]: With dead ends: 821 [2020-07-17 16:29:38,260 INFO L226 Difference]: Without dead ends: 607 [2020-07-17 16:29:38,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-07-17 16:29:38,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2020-07-17 16:29:38,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 497. [2020-07-17 16:29:38,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2020-07-17 16:29:38,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 543 transitions. [2020-07-17 16:29:38,419 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 543 transitions. Word has length 190 [2020-07-17 16:29:38,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:29:38,420 INFO L479 AbstractCegarLoop]: Abstraction has 497 states and 543 transitions. [2020-07-17 16:29:38,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 16:29:38,420 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 543 transitions. [2020-07-17 16:29:38,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-17 16:29:38,423 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:29:38,423 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:29:38,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 16:29:38,424 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:29:38,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:29:38,424 INFO L82 PathProgramCache]: Analyzing trace with hash 320544540, now seen corresponding path program 1 times [2020-07-17 16:29:38,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:29:38,425 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1301733527] [2020-07-17 16:29:38,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:29:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:38,723 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:29:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:38,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:29:38,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1301733527] [2020-07-17 16:29:38,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:29:38,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 16:29:38,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92996671] [2020-07-17 16:29:38,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 16:29:38,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:29:38,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 16:29:38,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-17 16:29:38,963 INFO L87 Difference]: Start difference. First operand 497 states and 543 transitions. Second operand 11 states. [2020-07-17 16:29:39,609 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:29:40,940 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:41,161 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:29:41,389 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:29:41,633 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:41,900 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:42,164 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:29:42,399 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:42,652 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:29:43,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:29:43,498 INFO L93 Difference]: Finished difference Result 1050 states and 1217 transitions. [2020-07-17 16:29:43,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-17 16:29:43,499 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 195 [2020-07-17 16:29:43,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:29:43,508 INFO L225 Difference]: With dead ends: 1050 [2020-07-17 16:29:43,508 INFO L226 Difference]: Without dead ends: 668 [2020-07-17 16:29:43,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=268, Invalid=724, Unknown=0, NotChecked=0, Total=992 [2020-07-17 16:29:43,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2020-07-17 16:29:43,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 495. [2020-07-17 16:29:43,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2020-07-17 16:29:43,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 539 transitions. [2020-07-17 16:29:43,694 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 539 transitions. Word has length 195 [2020-07-17 16:29:43,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:29:43,695 INFO L479 AbstractCegarLoop]: Abstraction has 495 states and 539 transitions. [2020-07-17 16:29:43,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 16:29:43,695 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 539 transitions. [2020-07-17 16:29:43,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-07-17 16:29:43,698 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:29:43,698 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:29:43,699 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 16:29:43,699 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:29:43,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:29:43,699 INFO L82 PathProgramCache]: Analyzing trace with hash 306083937, now seen corresponding path program 1 times [2020-07-17 16:29:43,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:29:43,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [694822385] [2020-07-17 16:29:43,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:29:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:43,969 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:29:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:44,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:29:44,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [694822385] [2020-07-17 16:29:44,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:29:44,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 16:29:44,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648553500] [2020-07-17 16:29:44,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 16:29:44,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:29:44,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 16:29:44,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-17 16:29:44,137 INFO L87 Difference]: Start difference. First operand 495 states and 539 transitions. Second operand 11 states. [2020-07-17 16:29:45,325 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:45,564 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 16:29:45,811 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-17 16:29:46,049 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:29:46,288 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:29:46,525 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:29:47,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:29:47,501 INFO L93 Difference]: Finished difference Result 1058 states and 1232 transitions. [2020-07-17 16:29:47,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 16:29:47,503 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 196 [2020-07-17 16:29:47,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:29:47,508 INFO L225 Difference]: With dead ends: 1058 [2020-07-17 16:29:47,509 INFO L226 Difference]: Without dead ends: 678 [2020-07-17 16:29:47,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-07-17 16:29:47,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2020-07-17 16:29:47,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 511. [2020-07-17 16:29:47,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2020-07-17 16:29:47,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 555 transitions. [2020-07-17 16:29:47,664 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 555 transitions. Word has length 196 [2020-07-17 16:29:47,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:29:47,665 INFO L479 AbstractCegarLoop]: Abstraction has 511 states and 555 transitions. [2020-07-17 16:29:47,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 16:29:47,665 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 555 transitions. [2020-07-17 16:29:47,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-07-17 16:29:47,668 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:29:47,668 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:29:47,668 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 16:29:47,668 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:29:47,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:29:47,669 INFO L82 PathProgramCache]: Analyzing trace with hash -833709887, now seen corresponding path program 1 times [2020-07-17 16:29:47,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:29:47,669 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [607556890] [2020-07-17 16:29:47,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:29:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:47,902 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:29:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:48,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:29:48,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [607556890] [2020-07-17 16:29:48,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:29:48,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-17 16:29:48,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272524435] [2020-07-17 16:29:48,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 16:29:48,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:29:48,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 16:29:48,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-07-17 16:29:48,114 INFO L87 Difference]: Start difference. First operand 511 states and 555 transitions. Second operand 14 states. [2020-07-17 16:29:48,660 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:29:48,894 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 16:29:49,126 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:29:49,359 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:29:49,583 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:29:50,325 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:29:50,564 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:29:50,828 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:29:51,081 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:29:51,308 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:29:52,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:29:52,503 INFO L93 Difference]: Finished difference Result 1096 states and 1286 transitions. [2020-07-17 16:29:52,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-17 16:29:52,503 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 196 [2020-07-17 16:29:52,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:29:52,509 INFO L225 Difference]: With dead ends: 1096 [2020-07-17 16:29:52,509 INFO L226 Difference]: Without dead ends: 700 [2020-07-17 16:29:52,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-07-17 16:29:52,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2020-07-17 16:29:52,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 523. [2020-07-17 16:29:52,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2020-07-17 16:29:52,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 567 transitions. [2020-07-17 16:29:52,812 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 567 transitions. Word has length 196 [2020-07-17 16:29:52,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:29:52,812 INFO L479 AbstractCegarLoop]: Abstraction has 523 states and 567 transitions. [2020-07-17 16:29:52,813 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 16:29:52,813 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 567 transitions. [2020-07-17 16:29:52,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-07-17 16:29:52,818 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:29:52,818 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:29:52,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 16:29:52,819 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:29:52,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:29:52,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1330134718, now seen corresponding path program 1 times [2020-07-17 16:29:52,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:29:52,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [17365959] [2020-07-17 16:29:52,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:29:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,062 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:29:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:53,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:29:53,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [17365959] [2020-07-17 16:29:53,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:29:53,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 16:29:53,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009529814] [2020-07-17 16:29:53,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 16:29:53,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:29:53,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 16:29:53,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 16:29:53,217 INFO L87 Difference]: Start difference. First operand 523 states and 567 transitions. Second operand 8 states. [2020-07-17 16:29:53,757 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:29:54,286 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:29:56,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:29:56,406 INFO L93 Difference]: Finished difference Result 1557 states and 1867 transitions. [2020-07-17 16:29:56,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-17 16:29:56,407 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 196 [2020-07-17 16:29:56,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:29:56,414 INFO L225 Difference]: With dead ends: 1557 [2020-07-17 16:29:56,414 INFO L226 Difference]: Without dead ends: 1149 [2020-07-17 16:29:56,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 36 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2020-07-17 16:29:56,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2020-07-17 16:29:56,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 917. [2020-07-17 16:29:56,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 917 states. [2020-07-17 16:29:56,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 917 states and 1023 transitions. [2020-07-17 16:29:56,712 INFO L78 Accepts]: Start accepts. Automaton has 917 states and 1023 transitions. Word has length 196 [2020-07-17 16:29:56,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:29:56,713 INFO L479 AbstractCegarLoop]: Abstraction has 917 states and 1023 transitions. [2020-07-17 16:29:56,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 16:29:56,713 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1023 transitions. [2020-07-17 16:29:56,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-07-17 16:29:56,717 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:29:56,717 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:29:56,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 16:29:56,718 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:29:56,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:29:56,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1497513317, now seen corresponding path program 1 times [2020-07-17 16:29:56,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:29:56,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [821004646] [2020-07-17 16:29:56,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:29:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:56,961 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:29:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:29:57,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:29:57,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [821004646] [2020-07-17 16:29:57,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:29:57,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 16:29:57,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289677573] [2020-07-17 16:29:57,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 16:29:57,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:29:57,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 16:29:57,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 16:29:57,084 INFO L87 Difference]: Start difference. First operand 917 states and 1023 transitions. Second operand 8 states. [2020-07-17 16:29:57,541 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:29:59,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:29:59,734 INFO L93 Difference]: Finished difference Result 1759 states and 2100 transitions. [2020-07-17 16:29:59,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-17 16:29:59,738 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 201 [2020-07-17 16:29:59,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:29:59,748 INFO L225 Difference]: With dead ends: 1759 [2020-07-17 16:29:59,748 INFO L226 Difference]: Without dead ends: 1756 [2020-07-17 16:29:59,750 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=175, Invalid=475, Unknown=0, NotChecked=0, Total=650 [2020-07-17 16:29:59,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1756 states. [2020-07-17 16:30:00,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1756 to 1420. [2020-07-17 16:30:00,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1420 states. [2020-07-17 16:30:00,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1420 states and 1599 transitions. [2020-07-17 16:30:00,336 INFO L78 Accepts]: Start accepts. Automaton has 1420 states and 1599 transitions. Word has length 201 [2020-07-17 16:30:00,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:30:00,337 INFO L479 AbstractCegarLoop]: Abstraction has 1420 states and 1599 transitions. [2020-07-17 16:30:00,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 16:30:00,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1599 transitions. [2020-07-17 16:30:00,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-07-17 16:30:00,341 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:30:00,342 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:30:00,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-17 16:30:00,342 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:30:00,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:30:00,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1505464834, now seen corresponding path program 1 times [2020-07-17 16:30:00,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:30:00,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2115440490] [2020-07-17 16:30:00,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:30:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:30:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:30:00,798 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 16:30:00,798 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 16:30:00,798 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-17 16:30:01,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 04:30:01 BoogieIcfgContainer [2020-07-17 16:30:01,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 16:30:01,093 INFO L168 Benchmark]: Toolchain (without parser) took 41082.19 ms. Allocated memory was 138.9 MB in the beginning and 800.6 MB in the end (delta: 661.7 MB). Free memory was 101.8 MB in the beginning and 108.0 MB in the end (delta: -6.1 MB). Peak memory consumption was 655.5 MB. Max. memory is 7.1 GB. [2020-07-17 16:30:01,094 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 16:30:01,095 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.78 ms. Allocated memory was 138.9 MB in the beginning and 205.0 MB in the end (delta: 66.1 MB). Free memory was 101.4 MB in the beginning and 175.2 MB in the end (delta: -73.8 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2020-07-17 16:30:01,095 INFO L168 Benchmark]: Boogie Preprocessor took 98.82 ms. Allocated memory is still 205.0 MB. Free memory was 175.2 MB in the beginning and 171.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-17 16:30:01,096 INFO L168 Benchmark]: RCFGBuilder took 1356.34 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 171.0 MB in the beginning and 181.2 MB in the end (delta: -10.2 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2020-07-17 16:30:01,097 INFO L168 Benchmark]: TraceAbstraction took 39000.60 ms. Allocated memory was 238.0 MB in the beginning and 800.6 MB in the end (delta: 562.6 MB). Free memory was 181.2 MB in the beginning and 108.0 MB in the end (delta: 73.2 MB). Peak memory consumption was 635.8 MB. Max. memory is 7.1 GB. [2020-07-17 16:30:01,100 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 620.78 ms. Allocated memory was 138.9 MB in the beginning and 205.0 MB in the end (delta: 66.1 MB). Free memory was 101.4 MB in the beginning and 175.2 MB in the end (delta: -73.8 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.82 ms. Allocated memory is still 205.0 MB. Free memory was 175.2 MB in the beginning and 171.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1356.34 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 171.0 MB in the beginning and 181.2 MB in the end (delta: -10.2 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 39000.60 ms. Allocated memory was 238.0 MB in the beginning and 800.6 MB in the end (delta: 562.6 MB). Free memory was 181.2 MB in the beginning and 108.0 MB in the end (delta: 73.2 MB). Peak memory consumption was 635.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 284]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L85] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=175, \old(head)=177, \old(head)=166, \old(methAndRunningLastTime)=173, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=141, cleanupTimeShifts=175, head={177:166}, methAndRunningLastTime=173, methaneLevelCritical=147, pumpRunning=136, systemActive=135, waterLevel=1] [L86] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=175, \old(head)=166, \old(head)=177, \old(methAndRunningLastTime)=173, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=141, cleanupTimeShifts=175, head={177:166}, methAndRunningLastTime=173, methaneLevelCritical=0, pumpRunning=136, systemActive=135, waterLevel=1] [L179] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=175, \old(head)=177, \old(head)=166, \old(methAndRunningLastTime)=173, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=141, cleanupTimeShifts=4, head={177:166}, methAndRunningLastTime=173, methaneLevelCritical=0, pumpRunning=136, systemActive=135, waterLevel=1] [L292] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=175, \old(head)=166, \old(head)=177, \old(methAndRunningLastTime)=173, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=141, cleanupTimeShifts=4, head={177:166}, methAndRunningLastTime=173, methaneLevelCritical=0, pumpRunning=0, systemActive=135, waterLevel=1] [L293] int systemActive = 1; VAL [\old(cleanupTimeShifts)=175, \old(head)=177, \old(head)=166, \old(methAndRunningLastTime)=173, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=141, cleanupTimeShifts=4, head={177:166}, methAndRunningLastTime=173, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L679] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=175, \old(head)=166, \old(head)=177, \old(methAndRunningLastTime)=173, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=173, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L876] int methAndRunningLastTime ; VAL [\old(cleanupTimeShifts)=175, \old(head)=177, \old(head)=166, \old(methAndRunningLastTime)=173, \old(methaneLevelCritical)=147, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L257] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L258] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L262] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L263] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L264] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L72] retValue_acc = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L73] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L264] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L264] tmp = valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L266] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L268] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L269] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L250] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L881] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L250] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L251] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L446] int splverifierCounter ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L447] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L448] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L449] int tmp___1 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L450] int tmp___2 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L453] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L455] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L457] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L463] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L465] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L467] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L103] COND TRUE waterLevel < 2 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L104] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L467] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L473] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L475] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L477] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L115] COND FALSE !(\read(methaneLevelCritical)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L118] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L477] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L483] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L485] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L498] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L300] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L307] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L309] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L329] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L332] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L334] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L426] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L427] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L428] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L432] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L165] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L168] COND FALSE !(waterLevel < 2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L172] retValue_acc = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L173] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L432] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L432] tmp = isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L434] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L437] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L439] retValue_acc = tmp___0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L440] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L334] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L334] tmp = isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L336] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L338] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L357] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L338] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L309] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L315] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L886] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L887] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L891] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L124] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L127] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L128] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L891] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L891] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L893] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L895] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L381] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L384] retValue_acc = pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L385] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L895] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L895] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L897] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L898] COND FALSE !(\read(methAndRunningLastTime)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L903] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L315] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L498] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L455] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L457] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L463] tmp = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L465] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L473] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L475] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L483] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L485] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L498] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L300] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L302] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L91] COND TRUE waterLevel > 0 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L92] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L302] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L307] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L309] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L329] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L332] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L347] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L309] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L315] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L886] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L887] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L891] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L124] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L127] retValue_acc = methaneLevelCritical VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L128] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L891] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L891] tmp = isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L893] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L895] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L381] int retValue_acc ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L384] retValue_acc = pumpRunning VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L385] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L895] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L895] tmp___0 = isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L897] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L898] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L900] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L284] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 615 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 38.6s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 30.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2217 SDtfs, 5751 SDslu, 4228 SDs, 0 SdLazy, 7711 SolverSat, 1392 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 454 GetRequests, 273 SyntacticMatches, 2 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 717 ImplicationChecksByTransitivity, 13.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1420occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 1399 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 2055 NumberOfCodeBlocks, 2055 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1785 ConstructedInterpolants, 0 QuantifiedInterpolants, 806451 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 incorrect! Received shutdown request...